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Demb J, Kolb JM, Dounel J, Fritz CDL, Advani SM, Cao Y, Coppernoll-Blach P, Dwyer AJ, Perea J, Heskett KM, Holowatyj AN, Lieu CH, Singh S, Spaander MCW, Vuik FER, Gupta S. Red Flag Signs and Symptoms for Patients With Early-Onset Colorectal Cancer: A Systematic Review and Meta-Analysis. JAMA Netw Open 2024; 7:e2413157. [PMID: 38787555 PMCID: PMC11127127 DOI: 10.1001/jamanetworkopen.2024.13157] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/09/2024] [Accepted: 03/19/2024] [Indexed: 05/25/2024] Open
Abstract
Importance Early-onset colorectal cancer (EOCRC), defined as a diagnosis at younger than age 50 years, is increasing, and so-called red flag signs and symptoms among these individuals are often missed, leading to diagnostic delays. Improved recognition of presenting signs and symptoms associated with EOCRC could facilitate more timely diagnosis and impact clinical outcomes. Objective To report the frequency of presenting red flag signs and symptoms among individuals with EOCRC, to examine their association with EOCRC risk, and to measure variation in time to diagnosis from sign or symptom presentation. Data Sources PubMed/MEDLINE, Embase, CINAHL, and Web of Science were searched from database inception through May 2023. Study Selection Studies that reported on sign and symptom presentation or time from sign and symptom presentation to diagnosis for patients younger than age 50 years diagnosed with nonhereditary CRC were included. Data Extraction and Synthesis Data extraction and quality assessment were performed independently in duplicate for all included studies using Preferred Reporting Items for Systematic Reviews and Meta-analyses reporting guidelines. Joanna Briggs Institute Critical Appraisal tools were used to measure risk of bias. Data on frequency of signs and symptoms were pooled using a random-effects model. Main Outcomes and Measures Outcomes of interest were pooled proportions of signs and symptoms in patients with EOCRC, estimates for association of signs and symptoms with EOCRC risk, and time from sign or symptom presentation to EOCRC diagnosis. Results Of the 12 859 unique articles initially retrieved, 81 studies with 24 908 126 patients younger than 50 years were included. The most common presenting signs and symptoms, reported by 78 included studies, were hematochezia (pooled prevalence, 45% [95% CI, 40%-50%]), abdominal pain (pooled prevalence, 40% [95% CI, 35%-45%]), and altered bowel habits (pooled prevalence, 27% [95% CI, 22%-33%]). Hematochezia (estimate range, 5.2-54.0), abdominal pain (estimate range, 1.3-6.0), and anemia (estimate range, 2.1-10.8) were associated with higher EOCRC likelihood. Time from signs and symptoms presentation to EOCRC diagnosis was a mean (range) of 6.4 (1.8-13.7) months (23 studies) and a median (range) of 4 (2.0-8.7) months (16 studies). Conclusions and Relevance In this systematic review and meta-analysis of patients with EOCRC, nearly half of individuals presented with hematochezia and abdominal pain and one-quarter with altered bowel habits. Hematochezia was associated with at least 5-fold increased EOCRC risk. Delays in diagnosis of 4 to 6 months were common. These findings highlight the need to identify concerning EOCRC signs and symptoms and complete timely diagnostic workup, particularly for individuals without an alternative diagnosis or sign or symptom resolution.
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Affiliation(s)
- Joshua Demb
- Division of Gastroenterology, Department of Medicine, University of California, San Diego, La Jolla
- Jennifer Moreno Veteran Affairs San Diego Healthcare System, San Diego, California
| | - Jennifer M. Kolb
- Vatche and Tamar Manoukian Division of Digestive Diseases, David Geffen School of Medicine at UCLA, VA Greater Los Angeles Healthcare System, Los Angeles, California
| | - Jonathan Dounel
- Department of Medicine, University of California San Diego, La Jolla
| | | | - Shailesh M. Advani
- Department of Internal Medicine, Roswell Park Comprehensive Cancer Center, Buffalo, New York
| | - Yin Cao
- Division of Public Health Sciences, Department of Surgery, Washington University School of Medicine, St Louis, Missouri
- Division of Gastroenterology, Department of Medicine, Washington University School of Medicine, St Louis, Missouri
- Alvin J. Siteman Cancer Center, Washington University School of Medicine, St Louis, Missouri
| | | | - Andrea J. Dwyer
- University of Colorado Cancer Center, Colorado School of Public Health, Aurora
| | - Jose Perea
- Molecular Medicine Unit, Department of Medicine, Biomedical Research Institute of Salamanca, University of Salamanca, Salamanca, Spain
- Surgery Department, Vithas Arturo Soria University Hospital, Madrid, Spain
| | - Karen M. Heskett
- UC San Diego Library, University of California San Diego, La Jolla
| | - Andreana N. Holowatyj
- Vanderbilt-Ingram Cancer Center, Vanderbilt University Medical Center, Vanderbilt University School of Medicine, Nashville, Tennessee
| | - Christopher H. Lieu
- Division of Medical Oncology, University of Colorado Denver Anschutz Medical Campus, Aurora
| | - Siddharth Singh
- Division of Gastroenterology, Department of Medicine, University of California, San Diego, La Jolla
- Division of Biomedical Informatics, Department of Medicine, University of California San Diego, La Jolla
- Jennifer Moreno Veteran Affairs San Diego Healthcare System, San Diego, California
| | - Manon C. W. Spaander
- Department of Gastroenterology and Hepatology, Erasmus University Medical Center, Rotterdam, the Netherlands
| | - Fanny E. R. Vuik
- Department of Gastroenterology and Hepatology, Erasmus University Medical Center, Rotterdam, the Netherlands
| | - Samir Gupta
- Division of Gastroenterology, Department of Medicine, University of California, San Diego, La Jolla
- Jennifer Moreno Veteran Affairs San Diego Healthcare System, San Diego, California
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Tominaga T, Nonaka T, Hashimoto S, Shiraishi T, Noda K, Hisanaga M, Takeshita H, Fukuoka H, Sawai T, Nagayasu T. Correlations of age with clinicopathological features, perioperative outcomes and the prognosis in patients with colorectal cancer: a Japanese multicenter study. Surg Today 2024; 54:310-316. [PMID: 37450036 DOI: 10.1007/s00595-023-02724-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2023] [Accepted: 07/02/2023] [Indexed: 07/18/2023]
Abstract
PURPOSE Colorectal cancer is not common in patients under 40 years old, and its associations with clinical features and the prognosis remain uncertain. METHODS Using a multicenter database, we retrospectively reviewed 3015 patients who underwent colorectal surgery between 2016 and 2021. Patients were divided by age into those < 40 years old (young; n = 52), 40-54 years old (middle-aged; n = 254) and > 54 years old (old; n = 2709). We then investigated age-related differences in clinicopathological features, perioperative outcomes and the prognosis. RESULTS The proportion of young patients increased annually from 0.63% in 2016 to 2.10% in 2021. Female patients were more frequent, the performance status was better, tumors were larger, clinically node-positive and poorly differentiated adenocarcinomas were more frequent, postoperative complications were less frequent, and the hospital stay was shorter in young patients than in older patients. Young age was an independent predictor of a low risk of postoperative complications (odds ratio, 0.204; 95% confidence interval, 0.049-0.849; p = 0.028). With pathologically node-positive status, adjuvant chemotherapy was more frequent in young patients (100%) than in middle-aged (73.7%) or old (51.8%) patients (p < 0.001), and the 3-year relapse-free survival was better in the young group than in others. CONCLUSION Despite higher rates of advanced tumors in younger patients, adequate adjuvant chemotherapy appears to improve the relapse-free survival.
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Affiliation(s)
- Tetsuro Tominaga
- Department of Surgical Oncology, Nagasaki University Graduate School of Biomedical Science, 1-7-1 Sakamoto, Nagasaki, 852-8501, Japan.
| | - Takashi Nonaka
- Department of Surgical Oncology, Nagasaki University Graduate School of Biomedical Science, 1-7-1 Sakamoto, Nagasaki, 852-8501, Japan
| | - Shintaro Hashimoto
- Department of Surgical Oncology, Nagasaki University Graduate School of Biomedical Science, 1-7-1 Sakamoto, Nagasaki, 852-8501, Japan
| | - Toshio Shiraishi
- Department of Surgical Oncology, Nagasaki University Graduate School of Biomedical Science, 1-7-1 Sakamoto, Nagasaki, 852-8501, Japan
| | - Keisuke Noda
- Department of Surgical Oncology, Nagasaki University Graduate School of Biomedical Science, 1-7-1 Sakamoto, Nagasaki, 852-8501, Japan
| | - Makoto Hisanaga
- Department of Surgery, Sasebo City General Hospital, 9-3 Hirasemachi, Nagasaki, 857-8511, Japan
| | - Hiroaki Takeshita
- Department of Surgery, National Hospital Organization Nagasaki Medical Center, 1-1001-1, Omura, Nagasaki, 856-8562, Japan
| | - Hidetoshi Fukuoka
- Department of Surgery, Isahaya General Hospital, 24-1, Isahaya, Nagasaki, 854-8501, Japan
| | - Terumitsu Sawai
- Department of Surgical Oncology, Nagasaki University Graduate School of Biomedical Science, 1-7-1 Sakamoto, Nagasaki, 852-8501, Japan
| | - Takeshi Nagayasu
- Department of Surgical Oncology, Nagasaki University Graduate School of Biomedical Science, 1-7-1 Sakamoto, Nagasaki, 852-8501, Japan
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Wang H, Shan X, Zhang M, Qian K, Shen Z, Zhou W. Nomograms for predicting overall survival in colorectal cancer patients with metastasis to the liver, lung, bone, and brain. Cancer Causes Control 2023; 34:1059-1072. [PMID: 37486401 DOI: 10.1007/s10552-023-01744-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2023] [Accepted: 06/21/2023] [Indexed: 07/25/2023]
Abstract
BACKGROUND The aim of this study was to identify the heterogeneous and homogeneous prognostic factors associated with distant metastasis to the liver, lung, bone, and brain in colorectal cancer (CRC) patients and then construct nomograms to predict the prognosis. METHODS CRC patients registered in the surveillance, epidemiology, and end results database between 2010 and 2017 were included. A Cox regression model was used to analyse homogeneous and heterogeneous prognostic factors, and Kaplan‒Meier analysis was performed to estimate overall survival (OS). Predictive nomograms were constructed, and their performance was evaluated with C-indexes, calibration curves and the area under the receiver operating characteristic (ROC) curve (AUC). RESULTS A total of 37,641 patients with distant metastasis to the liver, lung, bone, and brain were included. The median survival times of patients with liver metastasis, lung metastasis, bone metastasis, and brain metastasis were 12.00 months (95% CI 11.73-12.27 months), 10.00 months (95% CI 9.60-10.41 months), 5.00 months (95% CI 4.52-5.48 months), and 3.00 months (95% CI 2.28-3.72 months), respectively. An older age, higher N stage, elevated carcinoembryonic antigen level, no surgery at the primary site and no/unknown treatment with chemotherapy were identified as homogeneous prognostic factors for the four types of metastases. The calibration curves, C-indexes and AUCs exhibited good performance for predicting the OS of patients with distant metastases to the liver, lung, bone, and brain. CONCLUSIONS CRC patients with distant metastasis to the liver, lung, bone, and brain exhibited homogeneous and heterogeneous prognostic factors, all of which were associated with shorter survival. The nomograms showed good accuracy and may be used as tools for clinicians to predict the prognosis of CRC patients with distant metastasis.
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Affiliation(s)
- Hongmei Wang
- Department of Pharmacy, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, China
- Department of Pharmacology, College of Pharmacy, Chongqing Medical University, Chongqing, 400016, China
- Chongqing Key Laboratory of Drug Metabolism, Chongqing Medical University, Chongqing, 400016, China
- Key Laboratory for Biochemistry and Molecular Pharmacology of Chongqing, Chongqing Medical University, Chongqing, 400016, China
| | - Xuefeng Shan
- Department of Pharmacy, Bishan Hospital of Chongqing Medical University, Chongqing, 402760, China
| | - Min Zhang
- Department of Epidemiology and Health Statistics, School of Public Health and Management, Chongqing Medical University, Chongqing, 400016, China
| | - Kun Qian
- Department of Gastrointestinal Surgery, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, China
| | - Zhengze Shen
- Department of pharmacy, Yongchuan Hospital of Chongqing Medical University, Chongqing, 402160, China.
| | - Weiying Zhou
- Department of Pharmacology, College of Pharmacy, Chongqing Medical University, Chongqing, 400016, China.
- Chongqing Key Laboratory of Drug Metabolism, Chongqing Medical University, Chongqing, 400016, China.
- Key Laboratory for Biochemistry and Molecular Pharmacology of Chongqing, Chongqing Medical University, Chongqing, 400016, China.
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Colles T, Ziegelmann PK, Damin DC. The role of colonoscopy in young patients with rectal bleeding: a systematic review and meta-analysis. Int J Colorectal Dis 2023; 38:230. [PMID: 37712988 DOI: 10.1007/s00384-023-04524-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 09/08/2023] [Indexed: 09/16/2023]
Abstract
PURPOSE Anal bleeding is a frequent complaint in the coloproctological practice. Although usually associated with common anorectal disorders, it may represent a sign of an occult colorectal carcinoma. Our purpose was to evaluate the accuracy of the colonoscopy for detection of neoplastic lesions in patients under 50 years of age with rectal bleeding. METHODS This systematic review and meta-analysis searched publications in PubMed, Web of Science, and Cochrane Library databases up to August, 2023. Cross-sectional and case-control studies including patients under 50 years with rectal bleeding evaluated by colonoscopy were included. Primary outcome was prevalence of neoplastic lesions (adenomas and adenocarcinomas). Secondary outcomes were prevalence of those lesions according to age and anatomic location. The study was registered on PROSPERO (CRD42021257859) on July 5, 2021. RESULTS Nine studies comprising 4162 patients were analyzed. A total of 398 patients with adenomas and 40 patients with adenocarcinoma were identified. Prevalence of neoplastic lesions (adenomas and carcinomas) was 10%. In patients under 40 years, the prevalence of neoplastic lesions was 7% (6% of adenomas, 1% of carcinomas). Among patients aged 40-50 years the prevalence was 15%, 14%, and 1%, respectively. Most lesions (71%) were located distally to splenic flexure. CONCLUSION About 10% of patients under 50 years with anal bleeding will have a neoplastic lesion detected through colonoscopy. The greatest benefit of the procedure is observed between 40 and 50 years. Almost 30% of the neoplastic lesions were found in the proximal colon and could not be detected without the performance of a complete colonoscopy.
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Affiliation(s)
- Tuane Colles
- Postgraduate Program in Surgical Sciences, Federal University of Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Patrícia K Ziegelmann
- Postgraduate Program in Epidemiology, Department of Statistics, Federal University of Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil
| | - Daniel C Damin
- Postgraduate Program in Surgical Sciences, Federal University of Rio Grande do Sul, Porto Alegre, RS, Brazil.
- Division of Coloproctology, Hospital de Clinicas de Porto Alegre, Rua Ramiro Barcelos 2350, sala (room) 600, Porto Alegre, RS, Brazil.
- Department of Surgery, Federal University of Rio Grande do Sul, Porto Alegre, Brazil.
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Buckley CE, O’Brien RM, Nugent TS, Donlon NE, O’Connell F, Reynolds JV, Hafeez A, O’Ríordáin DS, Hannon RA, Neary P, Kalbassi R, Mehigan BJ, McCormick PH, Dunne C, Kelly ME, Larkin JO, O’Sullivan J, Lynam-Lennon N. Metformin is a metabolic modulator and radiosensitiser in rectal cancer. Front Oncol 2023; 13:1216911. [PMID: 37601689 PMCID: PMC10435980 DOI: 10.3389/fonc.2023.1216911] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2023] [Accepted: 07/17/2023] [Indexed: 08/22/2023] Open
Abstract
Resistance to neoadjuvant chemoradiation therapy, is a major challenge in the management of rectal cancer. Increasing evidence supports a role for altered energy metabolism in the resistance of tumours to anti-cancer therapy, suggesting that targeting tumour metabolism may have potential as a novel therapeutic strategy to boost treatment response. In this study, the impact of metformin on the radiosensitivity of colorectal cancer cells, and the potential mechanisms of action of metformin-mediated radiosensitisation were investigated. Metformin treatment was demonstrated to significantly radiosensitise both radiosensitive and radioresistant colorectal cancer cells in vitro. Transcriptomic and functional analysis demonstrated metformin-mediated alterations to energy metabolism, mitochondrial function, cell cycle distribution and progression, cell death and antioxidant levels in colorectal cancer cells. Using ex vivo models, metformin treatment significantly inhibited oxidative phosphorylation and glycolysis in treatment naïve rectal cancer biopsies, without affecting the real-time metabolic profile of non-cancer rectal tissue. Importantly, metformin treatment differentially altered the protein secretome of rectal cancer tissue when compared to non-cancer rectal tissue. Together these data highlight the potential utility of metformin as an anti-metabolic radiosensitiser in rectal cancer.
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Affiliation(s)
- Croí E. Buckley
- Department of Surgery, School of Medicine, Trinity Translational Medicine Institute, Trinity College Dublin, Dublin, Ireland
- Trinity St. James’s Cancer Institute, St. James’s Hospital, Trinity College Dublin, Dublin, Ireland
| | - Rebecca M. O’Brien
- Department of Surgery, School of Medicine, Trinity Translational Medicine Institute, Trinity College Dublin, Dublin, Ireland
- Trinity St. James’s Cancer Institute, St. James’s Hospital, Trinity College Dublin, Dublin, Ireland
| | - Timothy S. Nugent
- Department of Surgery, School of Medicine, Trinity Translational Medicine Institute, Trinity College Dublin, Dublin, Ireland
- Trinity St. James’s Cancer Institute, St. James’s Hospital, Trinity College Dublin, Dublin, Ireland
- Department of Surgery, Beacon Hospital, Dublin, Ireland
| | - Noel E. Donlon
- Department of Surgery, School of Medicine, Trinity Translational Medicine Institute, Trinity College Dublin, Dublin, Ireland
- Trinity St. James’s Cancer Institute, St. James’s Hospital, Trinity College Dublin, Dublin, Ireland
- Department of Surgery, Beacon Hospital, Dublin, Ireland
- Gastrointestinal Medicine and Surgery (GEMS) Directorate, St. James’s Hospital, Dublin, Ireland
| | - Fiona O’Connell
- Department of Surgery, School of Medicine, Trinity Translational Medicine Institute, Trinity College Dublin, Dublin, Ireland
- Trinity St. James’s Cancer Institute, St. James’s Hospital, Trinity College Dublin, Dublin, Ireland
| | - John V. Reynolds
- Department of Surgery, School of Medicine, Trinity Translational Medicine Institute, Trinity College Dublin, Dublin, Ireland
- Trinity St. James’s Cancer Institute, St. James’s Hospital, Trinity College Dublin, Dublin, Ireland
| | - Adnan Hafeez
- Department of Surgery, Beacon Hospital, Dublin, Ireland
| | | | | | - Paul Neary
- Department of Surgery, Beacon Hospital, Dublin, Ireland
| | - Reza Kalbassi
- Department of Surgery, Beacon Hospital, Dublin, Ireland
| | - Brian J. Mehigan
- Trinity St. James’s Cancer Institute, St. James’s Hospital, Trinity College Dublin, Dublin, Ireland
- Gastrointestinal Medicine and Surgery (GEMS) Directorate, St. James’s Hospital, Dublin, Ireland
| | - Paul H. McCormick
- Trinity St. James’s Cancer Institute, St. James’s Hospital, Trinity College Dublin, Dublin, Ireland
- Gastrointestinal Medicine and Surgery (GEMS) Directorate, St. James’s Hospital, Dublin, Ireland
| | - Cara Dunne
- Trinity St. James’s Cancer Institute, St. James’s Hospital, Trinity College Dublin, Dublin, Ireland
- Gastrointestinal Medicine and Surgery (GEMS) Directorate, St. James’s Hospital, Dublin, Ireland
| | - Michael E. Kelly
- Trinity St. James’s Cancer Institute, St. James’s Hospital, Trinity College Dublin, Dublin, Ireland
- Gastrointestinal Medicine and Surgery (GEMS) Directorate, St. James’s Hospital, Dublin, Ireland
| | - John O. Larkin
- Trinity St. James’s Cancer Institute, St. James’s Hospital, Trinity College Dublin, Dublin, Ireland
- Gastrointestinal Medicine and Surgery (GEMS) Directorate, St. James’s Hospital, Dublin, Ireland
| | - Jacintha O’Sullivan
- Department of Surgery, School of Medicine, Trinity Translational Medicine Institute, Trinity College Dublin, Dublin, Ireland
- Trinity St. James’s Cancer Institute, St. James’s Hospital, Trinity College Dublin, Dublin, Ireland
| | - Niamh Lynam-Lennon
- Department of Surgery, School of Medicine, Trinity Translational Medicine Institute, Trinity College Dublin, Dublin, Ireland
- Trinity St. James’s Cancer Institute, St. James’s Hospital, Trinity College Dublin, Dublin, Ireland
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Abe T, Matsuda T, Sawada R, Hasegawa H, Yamashita K, Kato T, Harada H, Urakawa N, Goto H, Kanaji S, Oshikiri T, Kakeji Y. Patients younger than 40 years with colorectal cancer have a similar prognosis to older patients. Int J Colorectal Dis 2023; 38:191. [PMID: 37430167 DOI: 10.1007/s00384-023-04488-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 07/05/2023] [Indexed: 07/12/2023]
Abstract
PURPOSE Colorectal cancer (CRC) is a leading cause of cancer-related deaths worldwide. In recent years, the proportion of patients diagnosed with CRC at younger ages has increased. The clinicopathological features and oncological outcomes in younger patients with CRC remain controversial. We aimed to analyze the clinicopathological features and oncological outcomes in younger patients with CRC. METHODS We examined 980 patients who underwent surgery for primary colorectal adenocarcinoma between 2006 and 2020. Patients were divided into two cohorts: younger (< 40 years old) and older (≥ 40 years old). RESULTS Of the 980 patients, 26 (2.7%) were under the age of 40 years. The younger group had more advanced disease (57.7% vs. 36.6%, p = 0.031) and more cases beyond the transverse colon (84.6% vs. 65.3%, p = 0.029) than the older group. Adjuvant chemotherapy was administered more frequently in the younger group (50% vs. 25.8%, p < 0.01). Relapse-free survival and overall survival were similar between the groups at all stages. Moreover, in stages II and III they were also comparable, regardless of the administration of adjuvant chemotherapy. CONCLUSIONS Younger patients with CRC have a prognosis equivalent to that of older patients. Further studies are needed to establish the optimal treatment strategies for these patients.
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Affiliation(s)
- Tomoki Abe
- Division of Gastrointestinal Surgery, Department of Surgery, Graduate School of Medicine, Kobe University, 7-5-2, Kusunoki-cho, Chuo-ku, Kobe, Hyogo, 650-0017, Japan
| | - Takeru Matsuda
- Division of Gastrointestinal Surgery, Department of Surgery, Graduate School of Medicine, Kobe University, 7-5-2, Kusunoki-cho, Chuo-ku, Kobe, Hyogo, 650-0017, Japan.
- Division of Minimally Invasive Surgery, Department of Surgery, Graduate School of Medicine, Kobe University, 7-5-2, Kusunoki-cho, Chuo-ku, Kobe, Hyogo, 650-0017, Japan.
| | - Ryuichiro Sawada
- Division of Gastrointestinal Surgery, Department of Surgery, Graduate School of Medicine, Kobe University, 7-5-2, Kusunoki-cho, Chuo-ku, Kobe, Hyogo, 650-0017, Japan
| | - Hiroshi Hasegawa
- Division of Gastrointestinal Surgery, Department of Surgery, Graduate School of Medicine, Kobe University, 7-5-2, Kusunoki-cho, Chuo-ku, Kobe, Hyogo, 650-0017, Japan
| | - Kimihiro Yamashita
- Division of Gastrointestinal Surgery, Department of Surgery, Graduate School of Medicine, Kobe University, 7-5-2, Kusunoki-cho, Chuo-ku, Kobe, Hyogo, 650-0017, Japan
| | - Takashi Kato
- Division of Gastrointestinal Surgery, Department of Surgery, Graduate School of Medicine, Kobe University, 7-5-2, Kusunoki-cho, Chuo-ku, Kobe, Hyogo, 650-0017, Japan
| | - Hitoshi Harada
- Division of Gastrointestinal Surgery, Department of Surgery, Graduate School of Medicine, Kobe University, 7-5-2, Kusunoki-cho, Chuo-ku, Kobe, Hyogo, 650-0017, Japan
| | - Naoki Urakawa
- Division of Gastrointestinal Surgery, Department of Surgery, Graduate School of Medicine, Kobe University, 7-5-2, Kusunoki-cho, Chuo-ku, Kobe, Hyogo, 650-0017, Japan
| | - Hironobu Goto
- Division of Gastrointestinal Surgery, Department of Surgery, Graduate School of Medicine, Kobe University, 7-5-2, Kusunoki-cho, Chuo-ku, Kobe, Hyogo, 650-0017, Japan
| | - Shingo Kanaji
- Division of Gastrointestinal Surgery, Department of Surgery, Graduate School of Medicine, Kobe University, 7-5-2, Kusunoki-cho, Chuo-ku, Kobe, Hyogo, 650-0017, Japan
| | - Taro Oshikiri
- Division of Gastrointestinal Surgery, Department of Surgery, Graduate School of Medicine, Kobe University, 7-5-2, Kusunoki-cho, Chuo-ku, Kobe, Hyogo, 650-0017, Japan
| | - Yoshihiro Kakeji
- Division of Gastrointestinal Surgery, Department of Surgery, Graduate School of Medicine, Kobe University, 7-5-2, Kusunoki-cho, Chuo-ku, Kobe, Hyogo, 650-0017, Japan
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Lewis SL, Stewart KE, Garwe T, Sarwar Z, Morris KT. Association of Age and Overall Survival in Surgically Resected Colorectal Cancer Patients. J Surg Res 2023; 281:321-327. [PMID: 36240718 DOI: 10.1016/j.jss.2022.08.031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2021] [Revised: 07/31/2022] [Accepted: 08/19/2022] [Indexed: 11/07/2022]
Abstract
INTRODUCTION Incidence of colorectal cancer (CRC) among young patients has increased in the last 20 y often with more aggressive tumor biology. It is unclear if age < 50 y is an independent factor for shorter overall survival in CRC patients. Our objective was to determine if younger age at diagnosis was associated with worse overall survival. METHODS This study used the National Cancer Data Base (2004-2016), retrospectively reviewing patients who underwent surgical resection for CRC. Patients were limited to only those without comorbidities and primary outcome was overall survival for all patients. RESULTS Older patients have worse overall survival as compared to younger patients at a lower stage of disease (I and II) after adjusting for tumor location, gender, histology, stage, and systemic chemotherapy (< 36 y old versus 36-55 y old hazard ratio [HR] 1.16, confidence interval [CI] 1.03-1.29). This survival benefit is eliminated at a higher stage of disease, stage III in 36-55 y old versus < 36 y old (HR 0.96 [CI 0.90-1.03.99]) and stage IV (HR 0.94 [CI 0.89-0.99]). CONCLUSIONS Older patients (aged > 36 y) have worse overall survival at a lower stage of disease, but the survival among all age groups was similar for stage III or IV disease in CRC.
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Affiliation(s)
- Samara L Lewis
- The University of Oklahoma Health Sciences Center, Department of Surgery, Oklahoma City, Oklahoma.
| | - Kenneth E Stewart
- The University of Oklahoma Health Sciences Center, Department of Surgery, Oklahoma City, Oklahoma
| | - Tabitha Garwe
- The University of Oklahoma Health Sciences Center, Department of Surgery, Oklahoma City, Oklahoma
| | - Zoona Sarwar
- The University of Oklahoma Health Sciences Center, Department of Surgery, Oklahoma City, Oklahoma
| | - Katherine T Morris
- The University of Oklahoma Health Sciences Center, Department of Surgery, Oklahoma City, Oklahoma
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Turri G, Caliskan G, Conti C, Martinelli L, De Giulio E, Ruzzenente A, Guglielmi A, Verlato G, Pedrazzani C. Impact of age and comorbidities on short- and long-term outcomes of patients undergoing surgery for colorectal cancer. Front Oncol 2022; 12:959650. [PMID: 36338732 PMCID: PMC9633938 DOI: 10.3389/fonc.2022.959650] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2022] [Accepted: 10/03/2022] [Indexed: 11/23/2022] Open
Abstract
Background As the world population is progressively ageing, more and more elderly patients will require cancer surgery. Although curative surgery is the treatment of choice for resectable colorectal cancer (CRC), it is still debated whether elderly frail patients should undergo major cancer surgery due to the increased risk of postoperative and long-term mortality. The aim of this retrospective study was to evaluate the impact of age and comorbidities on postoperative mortality/morbidity and long-term outcomes, looking for potential age-related survival differences. Methods A total of 1,482 patients operated for CRC at our institution between January 2005 and October 2020 were analysed. The independent effect of age and comorbidities on postoperative complications was assessed by a logistic model, while the effect on overall survival (OS) and cancer-related survival (CRS) was estimated by a Cox regression model. Results The median age in the cohort was 67.8 years. Postoperative mortality was very low in the whole cohort (0.8%) and contained even in older age groups (3.2% in patients aged 80–84 years, 4% in the 85–90-year age group). The cumulative incidence of postoperative complications was doubled in patients with comorbidities (32.8% vs. 15.1%, p = 0.002). With regard to OS, as expected, it exponentially decreased with advancing age. Conversely, differences in CRS were less pronounced between age groups and absent in patients with stage 0–I CRC. Analysis of all causes and cancer-related mortality revealed a peak within 2 years from surgery, suggesting a prolonged impact of surgery. In patients aged 75 years and above, all-cause mortality showed a steep increase 1 year after surgery, while cancer-related mortality plateaued at about 4 years after surgery. On multivariable analysis, OS, but not CRS, was significantly influenced by age. Conclusions Although acceptable results of surgery in elderly patients, OS is strongly dependent on age: older people die more from competing causes than cancer-related treatments compared to younger age classes. The preoperative identification of risk factors for low OS may help the selection of those elderly patients who would benefit from curative CRC surgery.
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Affiliation(s)
- Giulia Turri
- Division of General and Hepatobiliary Surgery, Department of Surgical Sciences, Dentistry, Gynecology and Pediatrics, University of Verona, Verona, Italy
| | - Gulser Caliskan
- Department of Diagnostic and Public Health, University of Verona, Verona, Italy
| | - Cristian Conti
- Division of General and Hepatobiliary Surgery, Department of Surgical Sciences, Dentistry, Gynecology and Pediatrics, University of Verona, Verona, Italy
| | - Luigi Martinelli
- Department of Diagnostic and Public Health, University of Verona, Verona, Italy
| | - Ernesto De Giulio
- Division of General and Hepatobiliary Surgery, Department of Surgical Sciences, Dentistry, Gynecology and Pediatrics, University of Verona, Verona, Italy
| | - Andrea Ruzzenente
- Division of General and Hepatobiliary Surgery, Department of Surgical Sciences, Dentistry, Gynecology and Pediatrics, University of Verona, Verona, Italy
| | - Alfredo Guglielmi
- Division of General and Hepatobiliary Surgery, Department of Surgical Sciences, Dentistry, Gynecology and Pediatrics, University of Verona, Verona, Italy
| | - Giuseppe Verlato
- Department of Diagnostic and Public Health, University of Verona, Verona, Italy
| | - Corrado Pedrazzani
- Division of General and Hepatobiliary Surgery, Department of Surgical Sciences, Dentistry, Gynecology and Pediatrics, University of Verona, Verona, Italy
- *Correspondence: Corrado Pedrazzani,
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9
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Attard TM. Pediatric colon cancer-When enemies collude. Pediatr Blood Cancer 2022; 69:e29914. [PMID: 35925941 DOI: 10.1002/pbc.29914] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/17/2022] [Revised: 07/14/2022] [Accepted: 07/18/2022] [Indexed: 11/11/2022]
Affiliation(s)
- Thomas M Attard
- Children's Mercy Hospitals and Clinics, Gastroenterology, Kansas, Missouri, USA
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10
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Hajri A, Fatine A, Eddaoudi Y, Rifki El Jay S, Boufettal R, Erreguibi D, Chehab F. Epidemiology, incidence and treatment of rectal cancer in young women case serie about 11 cases (case series). Ann Med Surg (Lond) 2022; 82:104693. [PMID: 36268414 PMCID: PMC9577628 DOI: 10.1016/j.amsu.2022.104693] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2022] [Revised: 09/04/2022] [Accepted: 09/10/2022] [Indexed: 11/30/2022] Open
Abstract
Introduction Rectal cancer constitutes, by its frequency and its gravity, a real concern of the public health in the world, it represents the eighth most frequent cancer. Its incidence is increasing in young people and in particular in women, in whom it remains a rare disease known for its poor prognosis. The objective of our work is to highlight the epidemiological characteristics of rectal cancer in patients under 40 years of age, determine its incidence and outline the different therapeutic means. Materials and methods Our work is a retrospective study with a descriptive aim on a series of 11 female patients aged less than 40 years, operated for rectal cancer in the department of digestive cancer surgery and liver transplantation Casablanca Morocco, over a period of 7 years from January 2013 to December 2019. Results The average age of our patients was 34.8 years. The average diagnostic delay was 10 months. The most frequent clinical sign was rectorrhagia (90.9% of cases). On rectal examination, the tumor was inaccessible in 18.8% of cases and externalized in 9.09% of cases. It was located in the lower rectum in 36.36% of cases, the same for the middle rectum. Rectoscopy showed that the majority of tumors were circumferential (36.36%). The budding ulcerative aspect was the most frequently found with 7 cases or 63.63%. The histological study showed the predominance of lieberkühnian adenocarcinoma (63.63%). Thoracic-abdominal-pelvic CT scan showed liver metastases in only one patient (9.09%). Pelvic MRI showed invasion of the mesorectum in 5 cases (45.45%) and of the internal sphincter in 3 cases (27.27%). All our patients underwent laparotomy. Curative surgery was performed in 8 patients and 3 patients had palliative surgery. Preoperative radiotherapy was performed in 81.81% of cases. The evolution was marked by 27.27% of locoregional recurrences. The operative mortality was nil in our series. Conclusion Detection of patients with precancerous conditions, screening for cancer in subjects at risk (familial recto-colic cancer, familial recto-colonic polyposis and ulcerative colitis), suspicion of cancer in the presence of any proctological sign, early diagnosis and curative surgical resection preceded by radiotherapy are the means that can improve the prognosis of rectal cancer in young women. Rectal cancer constitutes, by its frequency and its gravity, a real concern of the public health in the world. It represents the eighth most frequent cancer. Its incidence is increasing in young people and in particular in women, in whom it remains a rare disease known for its poor prognosis.
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Affiliation(s)
| | | | - Yassine Eddaoudi
- Corresponding author. Surgical department of cancerology and liver transplantation University hospital center Casablanca Morocco, Faculty of Medicine and Pharmacy, Hassan II University, Morocco.
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11
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Men VY, Emery CR, Lam TC, Yip PSF. Suicidal/self-harm behaviors among cancer patients: a population-based competing risk analysis. Psychol Med 2022; 52:2342-2351. [PMID: 33226318 DOI: 10.1017/s0033291720004250] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
BACKGROUND Cancer patients had elevated risk of suicidality. However, few researches studied the risk/protective factors of suicidal/self-harm behaviors considering the competing risk of death. The objective of this study is to systematically investigate the risk of suicidal/self-harm behaviors among Hong Kong cancer patients as well as the contributing factors. METHODS Patients aged 10 or above who received their first cancer-related hospital admission (2002-2009) were identified and their inpatient medical records were retrieved. They were followed for 365 days for suicidal/self-harm behaviors or death. Cancer-related information and prior 2-year physical and psychiatric comorbidities were also identified. Competing risk models were performed to explore the cumulative incidence of suicidal/self-harm behavior within 1 year as well as its contributing factors. The analyses were also stratified by age and gender. RESULTS In total, 152 061 cancer patients were included in the analyses. The cumulative incidence of suicidal/self-harm behaviors within 1 year was 717.48/100 000 person-years. Overall, cancer severity, a history of suicidal/self-harm behaviors, diabetes and hypertension were related to the risk of suicidal/self-harm behaviors. There was a U-shaped association between age and suicidal/self-harm behaviors with a turning point at 58. Previous psychiatric comorbidities were not related to the risk of suicidal/self-harm behaviors. The stratified analyses confirmed that the impact of contributing factors varied by age and gender. CONCLUSIONS Cancer patients were at risk of suicidal/self-harm behaviors, and the impacts of related factors varied by patients' characteristics. Effective suicide prevention for cancer patients should consider the influence of disease progress and the differences in age and gender.
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Affiliation(s)
- Vera Yu Men
- Department of Social Work and Social Administration, The University of Hong Kong, Pokfulam, Hong Kong SAR
| | - Clifton Robert Emery
- Department of Social Work and Social Administration, The University of Hong Kong, Pokfulam, Hong Kong SAR
| | - Tai-Chung Lam
- Department of Clinical Oncology, The University of Hong Kong, Pokfulam, Hong Kong SAR
| | - Paul Siu Fai Yip
- Department of Social Work and Social Administration, The University of Hong Kong, Pokfulam, Hong Kong SAR
- Centre for Suicide Research and Prevention, The University of Hong Kong, Pokfulam, Hong Kong SAR
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12
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Franklyn J, Lomax J, Labib PLZ, Baker A, Balasubramanya S, Natale J, Abdalkoddus M, Hosking J, Coleman MG, Smolarek S. Young-onset colorectal cancer: Insights from an English population-based study. Colorectal Dis 2022; 24:1063-1072. [PMID: 35437885 DOI: 10.1111/codi.16157] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/17/2021] [Revised: 04/07/2022] [Accepted: 04/12/2022] [Indexed: 02/08/2023]
Abstract
AIM Young colorectal cancer (CRC) patients are reported to have more aggressive disease, an advanced stage at diagnosis and conflicting survival outcomes. The aim of this study was to analyse the demographics, clinicopathological features and prognosis of young CRC at a population-based level in England. METHOD This is a retrospective review of all CRC patients using data from Public Health England collated from regional cancer registries in England between 2010 and 2014. Those aged 40 years and below were classified as young and those over 40 were classified as older. RESULTS Overall, 167,501 patients had CRC. Of these, 3757 patients (2.2%) were young. Right-sided cancers were more common in younger patients (48.2% vs. 32.9%, p < 0.001). Favourable histological grade (well or moderately differentiated) was present in 83.1% and 73.5% of young and older patients, respectively. The percentage of young and older patients being diagnosed at an early stage (Stages 1 and 2) was similar at 40.6% vs. 42.9%. The 5-year age- and gender-adjusted relative survival (cancer specific) was significantly better for young patients when compared with older patients diagnosed with CRC. Additionally, overall 5-year survival was better for younger patients (71.6% and 47.2%, p < 0.001 in young and older CRC patients respectively). CONCLUSION The increased right-sided colon cancer in young CRC patients in England warrants attention. Contrary to previous reports, they do not present at later stage. Young CRC patients have better overall and relative survival than older patients with CRC.
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Affiliation(s)
- Joshua Franklyn
- Colorectal Surgery, University Hospitals Plymouth NHS Trust, Plymouth, UK
| | - Joe Lomax
- Medical Statistics, Faculty of Health: Medicine, Dentistry and Human Sciences, University of Plymouth, Plymouth, UK
| | - Peter L Z Labib
- Colorectal Surgery, University Hospitals Plymouth NHS Trust, Plymouth, UK
| | - Amy Baker
- Medical Statistics, Faculty of Health: Medicine, Dentistry and Human Sciences, University of Plymouth, Plymouth, UK
| | | | - Joe Natale
- Colorectal Surgery, University Hospitals Plymouth NHS Trust, Plymouth, UK
| | | | - Joanne Hosking
- Medical Statistics, Faculty of Health: Medicine, Dentistry and Human Sciences, University of Plymouth, Plymouth, UK
| | - Mark G Coleman
- Colorectal Surgery, University Hospitals Plymouth NHS Trust, Plymouth, UK
| | - Sebastian Smolarek
- Colorectal Surgery, University Hospitals Plymouth NHS Trust, Plymouth, UK
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13
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Cheng J, Lao YJ, Wang Q, Huang K, Mou JL, Feng JH, Hu F, Lin ML, Lin J. Predicting Distant Metastasis in Young-Onset Colorectal Cancer After Surgery: A Retrospective Study. Front Oncol 2022; 12:804038. [PMID: 35280740 PMCID: PMC8907263 DOI: 10.3389/fonc.2022.804038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2021] [Accepted: 01/11/2022] [Indexed: 11/13/2022] Open
Abstract
Background Although overall colorectal cancer (CRC) cases have been declining worldwide, there has been an increase in the incidence of the CRC among individuals younger than 50 years old, which is associated with distant metastasis (DM) and poor prognosis. Methods Young-onset CRC patients' postoperative data were collected from the Surveillance, Epidemiology, and End Results (SEER) database between January 2010 and December 2015. Data from the SEER database were divided into early stage and advanced stage according to whether chemoradiotherapy was recommended in the guidelines. Independent risk factors for DM were explored by using univariate and multivariate logistic regression separately. A predictive model was established and presented as nomogram in the training set of advanced stage. The model was internally verified in testing set and externally validated in a cohort of 145 patients from Zhongnan Hospital of Wuhan University. The accuracy, reliability, and clinical application value were assessed using the receiver operating characteristic curve (ROC), the area under the curve (AUC), calibration curve, and decision curve analysis (DCA), respectively. Different risk subgroups of DM were classified according to the scores of the nomogram in the training set of advanced stage. Results A total of 5,584 patients were eligible and enrolled in our study in which 1,277 were in early stage and 4,307 in advanced stage. Preoperative CEA positive was found to be an independent predictor of DM in early stage. Multivariate logistic regression analysis showed that tumor size, degree of differentiation, T stage, N stage, preoperative CEA, and whether radiation or chemotherapy performed were independent risk factors for DM (all, p < 0.05) in advanced stage. Great accuracies were achieved in our nomogram with AUC of 0.801 in training set, 0.811 in testing set, and 0.791 in the validation cohort, respectively. Calibration curves and DCA in internal validation and external validation both showed good stability and clinical utility values. Conclusions Preoperative CEA positive was a significant predictor of DM for young-onset CRC patients. A novel nomogram containing clinical and pathological features was established for predicting DM of advanced CRC in patients younger than 50 years old. This tool may serve as an early alert for clinicians to DM and make better clinical treatment regimens.
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Affiliation(s)
- Jie Cheng
- Department of Gastroenterology/Hepatology, Zhongnan Hospital of Wuhan University, Wuhan, China.,The Hubei Clinical Center & Key Laboratory of Intestinal & Colorectal Diseases, Wuhan, China
| | - Yao-Jia Lao
- Department of Gastroenterology/Hepatology, Zhongnan Hospital of Wuhan University, Wuhan, China.,The Hubei Clinical Center & Key Laboratory of Intestinal & Colorectal Diseases, Wuhan, China
| | - Qian Wang
- Department of Gastroenterology/Hepatology, Zhongnan Hospital of Wuhan University, Wuhan, China.,The Hubei Clinical Center & Key Laboratory of Intestinal & Colorectal Diseases, Wuhan, China
| | - Kai Huang
- Department of Gastroenterology/Hepatology, Zhongnan Hospital of Wuhan University, Wuhan, China.,The Hubei Clinical Center & Key Laboratory of Intestinal & Colorectal Diseases, Wuhan, China
| | - Juan-Li Mou
- Department of Gastroenterology/Hepatology, Zhongnan Hospital of Wuhan University, Wuhan, China.,The Hubei Clinical Center & Key Laboratory of Intestinal & Colorectal Diseases, Wuhan, China
| | - Jia-Hui Feng
- Department of Gastroenterology/Hepatology, Zhongnan Hospital of Wuhan University, Wuhan, China.,The Hubei Clinical Center & Key Laboratory of Intestinal & Colorectal Diseases, Wuhan, China
| | - Fan Hu
- Department of Gastroenterology/Hepatology, Zhongnan Hospital of Wuhan University, Wuhan, China.,The Hubei Clinical Center & Key Laboratory of Intestinal & Colorectal Diseases, Wuhan, China
| | - Meng-Lu Lin
- Department of Gastroenterology/Hepatology, Zhongnan Hospital of Wuhan University, Wuhan, China.,The Hubei Clinical Center & Key Laboratory of Intestinal & Colorectal Diseases, Wuhan, China
| | - Jun Lin
- Department of Gastroenterology/Hepatology, Zhongnan Hospital of Wuhan University, Wuhan, China.,The Hubei Clinical Center & Key Laboratory of Intestinal & Colorectal Diseases, Wuhan, China
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14
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Colorectal cancer survival rates in Makassar, Eastern Indonesia: A retrospective Cohort Study. Ann Med Surg (Lond) 2022; 74:103211. [PMID: 35059192 PMCID: PMC8760491 DOI: 10.1016/j.amsu.2021.103211] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2021] [Revised: 12/20/2021] [Accepted: 12/20/2021] [Indexed: 12/24/2022] Open
Abstract
Background Materials and methods Results Conclusion Colorectal cancer is relatively common in Indonesia, and its incidence is slowly increasing. Most Indonesian cases are detected at an advanced stage owing to educational, cultural, social, and economic factors. Histopathology, tumor stage and history of definitive surgery significantly affected recurrence-free survival. Chemotherapy and radiotherapy treatments had significantly different recurrence-free survival rates.
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15
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Unusual Presentation of Carcinoma Rectum—a Case Report. Indian J Surg Oncol 2021; 12:319-321. [DOI: 10.1007/s13193-021-01336-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2020] [Accepted: 04/21/2021] [Indexed: 10/21/2022] Open
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16
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D'Souza N, Monahan K, Benton SC, Wilde L, Abulafi M. Finding the needle in the haystack: the diagnostic accuracy of the faecal immunochemical test for colorectal cancer in younger symptomatic patients. Colorectal Dis 2021; 23:2539-2549. [PMID: 34240526 DOI: 10.1111/codi.15786] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/25/2021] [Revised: 05/23/2021] [Accepted: 05/31/2021] [Indexed: 12/17/2022]
Abstract
AIM Detection of early onset colorectal cancer is challenging, and remains a rare diagnosis amongst younger people with gastrointestinal symptoms. We investigated whether faecal immunochemical testing (FIT) could identify younger patients at higher risk of colorectal cancer or serious bowel disease including colorectal cancer, inflammatory bowel disease or advanced adenomas. METHODS A subgroup analysis was performed of symptomatic patients under 50 years of age (<50) from the NICE FIT study, a multicentre, prospective diagnostic accuracy study of FIT conducted between October 2017 and December 2019. The diagnostic accuracy of FIT for colorectal cancer and serious bowel disease was investigated in younger patients at different faecal haemoglobin (f-Hb) cut-offs of 2, 10 and 150 µg blood/g faeces (µg/g). RESULTS Early onset colorectal cancer was diagnosed in 1.5% (16/1103) of younger symptomatic patients. The sensitivity of FIT for younger patients aged <50 was 87.5% (95% CI 61.7%-98.4%), 81.3% (54.4%-96.0%) and 68.8% (41.3%-89.0%) at f-Hb cut-offs of 2, 10 and 150 µg/g, respectively. The positive predictive value for colorectal cancer increased from 4.2% (2.3%-6.9%) to 11.5% (5.9%-19.6%) at cut-offs of 2 and 150 µg/g, while the positive predictive value for serious bowel disease increased from 31.3% (26.3%-36.5%) to 65.6% (55.2%-75.0%) at the same cut-offs. The negative predictive value of FIT for colorectal cancer remained above 99.5% at all cut-offs. CONCLUSION Detectable f-Hb on FIT in symptomatic younger patients may indicate referral for investigation of colorectal cancer and serious bowel disease.
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Affiliation(s)
- Nigel D'Souza
- Croydon University Hospital, Croydon, UK.,University Hospital Southampton, Southampton, UK.,Imperial College London, London, UK
| | - Kevin Monahan
- Imperial College London, London, UK.,St Mark's Hospital, Harrow, UK
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17
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Achilonu OJ, Fabian J, Bebington B, Singh E, Eijkemans MJC, Musenge E. Predicting Colorectal Cancer Recurrence and Patient Survival Using Supervised Machine Learning Approach: A South African Population-Based Study. Front Public Health 2021; 9:694306. [PMID: 34307286 PMCID: PMC8292767 DOI: 10.3389/fpubh.2021.694306] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2021] [Accepted: 05/31/2021] [Indexed: 12/12/2022] Open
Abstract
Background: South Africa (SA) has the highest incidence of colorectal cancer (CRC) in Sub-Saharan Africa (SSA). However, there is limited research on CRC recurrence and survival in SA. CRC recurrence and overall survival are highly variable across studies. Accurate prediction of patients at risk can enhance clinical expectations and decisions within the South African CRC patients population. We explored the feasibility of integrating statistical and machine learning (ML) algorithms to achieve higher predictive performance and interpretability in findings. Methods: We selected and compared six algorithms:- logistic regression (LR), naïve Bayes (NB), C5.0, random forest (RF), support vector machine (SVM) and artificial neural network (ANN). Commonly selected features based on OneR and information gain, within 10-fold cross-validation, were used for model development. The validity and stability of the predictive models were further assessed using simulated datasets. Results: The six algorithms achieved high discriminative accuracies (AUC-ROC). ANN achieved the highest AUC-ROC for recurrence (87.0%) and survival (82.0%), and other models showed comparable performance with ANN. We observed no statistical difference in the performance of the models. Features including radiological stage and patient's age, histology, and race are risk factors of CRC recurrence and patient survival, respectively. Conclusions: Based on other studies and what is known in the field, we have affirmed important predictive factors for recurrence and survival using rigorous procedures. Outcomes of this study can be generalised to CRC patient population elsewhere in SA and other SSA countries with similar patient profiles.
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Affiliation(s)
- Okechinyere J Achilonu
- Division of Epidemiology and Biostatistics, School of Public Health, Faculty of Health Sciences, University of the Witwatersrand, Parktown, Johannesburg, South Africa
| | - June Fabian
- Medical Research Council/Wits University Rural Public Health and Health Transitions Research Unit (Agincourt), School of Public Health, Faculty of Health Sciences, University of Witwatersrand, Johannesburg, South Africa.,Wits Donald Gordon Medical Centre, School of Clinical Medicine, Faculty of Health Sciences, University of Witwatersrand, Johannesburg, South Africa
| | - Brendan Bebington
- Wits Donald Gordon Medical Centre, School of Clinical Medicine, Faculty of Health Sciences, University of Witwatersrand, Johannesburg, South Africa.,Department of Surgery, Faculty of Health Science University of the Witwatersrand Faculty of Science, Parktown, Johannesburg, South Africa
| | - Elvira Singh
- Division of Epidemiology and Biostatistics, School of Public Health, Faculty of Health Sciences, University of the Witwatersrand, Parktown, Johannesburg, South Africa.,National Cancer Registry, National Health Laboratory Service, 1 Modderfontein Road, Sandringham, Johannesburg, South Africa
| | - M J C Eijkemans
- Julius Center for Health Sciences and Primary Care, University Medical Center, Utrecht University, Utrecht, Netherlands
| | - Eustasius Musenge
- Division of Epidemiology and Biostatistics, School of Public Health, Faculty of Health Sciences, University of the Witwatersrand, Parktown, Johannesburg, South Africa.,Industrialization, Science, Technology and Innovation Hub, African Union Development Agency (AUDA-NEPAD), Johannesburg, South Africa
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18
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Jiang T, Liu S, Wu X, Liu X, Li W, Yang S, Cai P, Xi S, Zeng Z, Gao Y, Chen G, Xiao W. Nomogram to Predict Distant Metastasis Probability for Pathological Complete Response Rectal Cancer Patients After Neoadjuvant Chemoradiotherapy. Cancer Manag Res 2021; 13:4751-4761. [PMID: 34163249 PMCID: PMC8214524 DOI: 10.2147/cmar.s313113] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Accepted: 05/26/2021] [Indexed: 01/04/2023] Open
Abstract
Purpose This study aimed to predict the risks of distant metastasis (DM) of locally advanced rectal cancer (LARC) patients with pathological complete response (pCR) after neoadjuvant chemoradiotherapy (NACRT) and total mesorectal excision (TME), and to find the association between adjuvant chemotherapy (ACT) and their survival outcomes. Methods and Materials A total of 242 patients with LARC achieving pCR after NACRT were enrolled in this retrospective study. We developed a nomogram model using logistic regression analyses for predicting risk of DM. The model performance was evaluated by the concordance index and calibration curve. Survival was determined using Kaplan–Meier survival curve. Results Age, pre-operative CEA, pre-treatment CEA and distance of tumor to anal verge were identified as significantly associated variables that could be enrolled in the model to predict the risk of DM for pCR patients. The nomogram we created had a bootstrapped-concordance index of 0.731 (95% CI = 0.627 to 0.834) and was well calibrated. The high risk group was more likely to develop DM than low risk group (total score) (95% CI = 1.439 to 6.493, P = 0.0036). The 1-year, 3-year, and 5-year distant metastasis-free survival (DMFS) for the low and high risk groups (total score ≤ 90 vs > 90) was 97.8%, 94.2%, 94.2% and 91.3%, 83.4%, 81.8%, respectively (P = 0.0036). DM occurred within 1 and 2 years after TME surgery was 33.3% and 55.6% for the low risk group, and 47.3% and 84.2% for the high risk group. The value of ACT was assessed among the whole cohort, patients with cT3-4, with cN+ or with either DM risk group, but no significant difference was observed concerning DMFS whether ACT was given or not (all P > 0.05). Active treatment after DM was more beneficial than palliative treatment (P < 0.001). Conclusion The nomogram model, including age, pre-operative CEA, pre-treatment CEA and distance to anal verge, predicted the probability of DM among LARC patients achieving pCR after NACRT. The effects of ACT were not seen in different subgroups, while closer clinical follow-up may have greater contribution to pCR patients in the first 2 years, especially for patients with relatively higher risk to develop DM. It is suggested that timely active treatment can bring survival benefit for pCR patients developing DM after NACRT.
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Affiliation(s)
- Ting Jiang
- Department of Radiation Oncology, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-Sen University Cancer Center, Guangzhou, People's Republic of China
| | - Shuang Liu
- Department of Radiation Oncology, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-Sen University Cancer Center, Guangzhou, People's Republic of China
| | - Xiaojun Wu
- Department of Colorectal Surgery, Sun Yat-Sen University Cancer Center, Guangzhou, People's Republic of China
| | - Xiaoqing Liu
- Department of Radiation Oncology, Guangzhou Concord Cancer Center, Guangzhou, People's Republic of China
| | - Weizhan Li
- Department of Radiation Oncology, Panyu Center Hospital, Guangzhou, People's Republic of China
| | - Shanfei Yang
- Department of Radiation Oncology, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-Sen University Cancer Center, Guangzhou, People's Republic of China
| | - Peiqiang Cai
- Department of Radiology, Sun Yat-Sen University Cancer Center, Guangzhou, People's Republic of China
| | - Shaoyan Xi
- Department of Pathology, Sun Yat-Sen University Cancer Center, Guangzhou, People's Republic of China
| | - Zhifan Zeng
- Department of Radiation Oncology, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-Sen University Cancer Center, Guangzhou, People's Republic of China
| | - Yuanhong Gao
- Department of Radiation Oncology, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-Sen University Cancer Center, Guangzhou, People's Republic of China
| | - Gong Chen
- Department of Colorectal Surgery, Sun Yat-Sen University Cancer Center, Guangzhou, People's Republic of China
| | - Weiwei Xiao
- Department of Radiation Oncology, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-Sen University Cancer Center, Guangzhou, People's Republic of China
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Wong SW, Ling DY, Yeow RQ, Chong RW, Aziz MRA, Aziz NA, Poh KS, Roslani AC. Clinicopathological patterns and survival outcomes of colorectal cancer among young adults in Malaysia: an institutional cohort study. Singapore Med J 2021; 62:636-641. [PMID: 34005846 DOI: 10.11622/smedj.2021051] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
INTRODUCTION This study aimed to investigate the clinicopathological patterns and survival outcomes of young-onset colorectal cancer (CRC) in Malaysia. METHODS The study consisted of 206 patients with young-onset CRC (age < 50 years at diagnosis) and 1,921 patients with late-onset CRC (age ≥ 50 years at diagnosis) diagnosed during 2002-2016. The clinicopathological characteristics of patients with young-onset CRC were compared with those of patients with late-onset CRC during 2009-2013. Kaplan-Meier survival analysis was performed to determine the overall survival (OS) and disease-specific survival (DSS) in these patients. RESULTS The overall proportion of young-onset CRC was 10.7%. Mean age for young-onset CRC was 39.5 ± 7.4 years, with male-to-female ratio of 1.2:1.0. There were more Malay patients with young-onset CRC than late-onset CRC (44.0% vs. 19.9%, p = 0.004). Most CRC were diagnosed at advanced stage in both groups. However, young-onset CRC showed more aggressive tumour characteristics, such as poorer differentiation and mucinous subtype. Despite such differences, OS and DSS in both groups were similar (five-year OS for young-onset CRC vs. late-onset CRC: 44.2% vs. 49.0%, p = 0.40; five-year DSS for young-onset CRC vs. late-onset CRC: 48.8% vs. 57.6%, p = 0.53; mean survival of young-onset CRC vs. late-onset CRC: 4.9 years vs. 5.4 years, p = 0.15). Advanced stage at diagnosis and treatment modality were independent prognostic factors. CONCLUSION The unique ethnic and histological differences between patients with young- and late-onset CRC suggest that young-onset CRC may represent a distinct entity. However, despite such differences, prognosis between both groups were equivalent.
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Affiliation(s)
- Sui-Weng Wong
- Department of Surgery, University Malaya Medical Centre, Kuala Lumpur, Malaysia
| | - Dao-Yao Ling
- Department of Surgery, University Malaya Medical Centre, Kuala Lumpur, Malaysia
| | - Ri-Qi Yeow
- Department of Surgery, University Malaya Medical Centre, Kuala Lumpur, Malaysia
| | - Ro-Wan Chong
- Department of Surgery, University Malaya Medical Centre, Kuala Lumpur, Malaysia
| | | | - Nora Abdul Aziz
- Department of Surgery, University Malaya Medical Centre, Kuala Lumpur, Malaysia
| | - Keat-Seong Poh
- Department of Surgery, University Malaya Medical Centre, Kuala Lumpur, Malaysia
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Current Treatment Approaches and Outcomes in the Management of Rectal Cancer Above the Age of 80. ACTA ACUST UNITED AC 2021; 28:1388-1401. [PMID: 33808512 PMCID: PMC8078162 DOI: 10.3390/curroncol28020132] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2021] [Revised: 03/20/2021] [Accepted: 03/29/2021] [Indexed: 12/30/2022]
Abstract
Background: The number of cases of rectal cancer in our older cohort is expected to rise with our ageing population. In this study, we analysed patterns in treatment and the long-term outcomes of patients older than 80 years with rectal cancer across a health district. Methods: All cases of rectal cancer managed at the Illawarra Cancer Care Centre, Australia between 2006 and 2018 were analysed from a prospectively maintained database. Patients were stratified into three age groups: ≤65 years, 66–79 years and ≥80 years of age. The clinicopathological characteristics, operative and non-operative treatment approach and survival outcomes of the three groups were compared. Results: Six hundred and ninety-nine patients with rectal cancer were managed, of which 118 (17%) were aged 80 and above. Patients above 80 were less likely to undergo surgery (71% vs. 90%, p < 0.001) or receive adjuvant/neoadjuvant chemoradiotherapy (p < 0.05). Of those that underwent surgical resection, their tumours were on average larger (36.5 vs. 31.5 mm, p = 0.019) and 18 mm closer the anal verge (p = 0.001). On Kaplan–Meier analysis, those above 80 had poorer cancer-specific survival when compared to their younger counterparts (p = 0.032), but this difference was no longer apparent after the first year (p = 0.381). Conclusion: Patients above the age of 80 with rectal cancer exhibit poorer cancer-specific survival, which is accounted for in the first year after diagnosis. Priority should be made to optimise care during this period. There is a need for further research to establish the role of chemoradiotherapy in this population, which appears to be underutilised.
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Obstructive colon cancers at endoscopy are associated with advanced tumor stage and poor patient outcome. A retrospective study on 398 patients. Eur J Gastroenterol Hepatol 2021; 33:50-53. [PMID: 32675779 DOI: 10.1097/meg.0000000000001839] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
BACKGROUND The detection of obstructive colorectal cancer (CRC) masses during endoscopic examination hindering the passage of endoscope and precluding complete examination is not uncommon. The significance and implications of this finding on patients' prognosis and outcomes were not fully investigated and will be addressed in this study. METHODS In this retrospective cohort study, we reviewed endoscopy, surgery, pathology and oncology reports of patients diagnosed with CRC over a 10-year period (2007-2016). We compared surgical stages, histologic grades and overall survival between patients with subclinical obstructive tumors at endoscopy to those with nonobstructive tumors. We performed multivariate analysis to identify independent risk factors associated with advanced CRC stage at diagnosis. RESULTS A total of 144 patients had obstructive colonic tumors while 254 had nonobstructive tumors and constituted the control group. Obstructive CRC group was significantly associated with advanced tumor stage at diagnosis (69 vs. 42%, OR = 3.018, 95% CI, 1.951-4.670; P < 0.01) and had prominently higher rates of moderate to poorly differentiated tumors (64.5 vs. 38.4%; P < 0.001) when compared to non-obstructive controls. Patients with obstructive tumors were significantly associated with decreased five years overall survival (53.4 vs. 67.3% vs.; P < 0.01). Increased overall mortality was observed in survival curves of patients with obstructive tumors along all follow-up periods. CONCLUSION Even in the absence of clinical sequela, obstructive CRC at endoscopic level may be associated with higher stage at diagnosis and reduced overall survival. Further prospective studies are warranted to confirm these findings and address their implication on patients' management.
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22
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Codipilly DC, Sawas T, Dhaliwal L, Johnson ML, Lansing R, Wang KK, Leggett CL, Katzka DA, Iyer PG. Epidemiology and Outcomes of Young-Onset Esophageal Adenocarcinoma: An Analysis from a Population-Based Database. Cancer Epidemiol Biomarkers Prev 2021; 30:142-149. [PMID: 33328255 PMCID: PMC7855414 DOI: 10.1158/1055-9965.epi-20-0944] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2020] [Revised: 08/20/2020] [Accepted: 10/05/2020] [Indexed: 11/16/2022] Open
Abstract
BACKGROUND Esophageal adenocarcinoma is a lethal cancer with rising incidence. There are limited data in younger (<50 years) patients with esophageal adenocarcinoma. We aimed to assess time trends in the incidence and outcomes of "young-onset" esophageal adenocarcinoma using a population-based database. METHODS We queried the Surveillance, Epidemiology, and End Results 9 database to identify patients with esophageal adenocarcinoma between 1975 and 2015. Patients were stratified into three age strata: <50, 50 to 69, and ≥70 years. Staging was stratified as localized, regional, and distant. Trends in incidence, disease stage, and survival were assessed in three periods (1975-89, 1990-99, and 2000-2015). Univariate and multivariate models were created to identify predictors of mortality. RESULTS Esophageal adenocarcinoma incidence has increased in patients <50 years of age, with an annual percentage change of 2.9% (95% confidence interval, 1.4%-4.4%) from 1975 to 2015. Young-onset esophageal adenocarcinoma presented at more advanced stages (regional + distant) compared with older patients (84.9% vs. 67.3%; P < 0.01), with increasing proportion of advanced stages over the study period. These patients also experienced poorer 5-year esophageal adenocarcinoma-free survival compared with older patients (22.9%% vs. 29.6%; P < 0.01), although this finding was attenuated on stage-stratified analysis. CONCLUSIONS Young-onset esophageal adenocarcinoma, while uncommon, is rising in incidence. Concerningly, the proportion of advanced disease continues to increase. Young-onset esophageal adenocarcinoma also presents at more advanced stages, resulting in poorer esophageal adenocarcinoma-free survival. IMPACT Patients with esophageal adenocarcinoma younger than 50 years present at more advanced stages with higher esophageal adenocarcinoma-specific mortality compared with older peers. Current diagnostic and management strategies for young-onset esophageal adenocarcinoma may need to be reevaluated.
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Affiliation(s)
- Don C Codipilly
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota
| | - Tarek Sawas
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota
| | - Lovekirat Dhaliwal
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota
| | - Michele L Johnson
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota
| | - Ramona Lansing
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota
| | - Kenneth K Wang
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota
| | - Cadman L Leggett
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota
| | - David A Katzka
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota
| | - Prasad G Iyer
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota.
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Ismail I, Chan H, Aiman S, Muhammad Radzi A. A 10-year registry-based incidence, mortality, and survival analysis of colorectal cancer in Northern Malaysia. J Cancer Res Ther 2021; 18:931-938. [DOI: 10.4103/jcrt.jcrt_544_20] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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Anyfantakis D. A Young Male With Anorexia, Abdominal Complaints and Marked Blood Eosinophilia. Cureus 2020; 12:e12314. [PMID: 33520512 PMCID: PMC7837640 DOI: 10.7759/cureus.12314] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/03/2022] Open
Abstract
Peripheral blood eosinophilia represents a frequent finding in routine clinical practice when absolute eosinophil count is found to be greater than 0.5 x 109/L (500/µL). Common causes include parasitic infections, allergic reactions, and hyper-eosinophilic syndrome. Eosinophilia secondary to malignancy represents an uncommon presentation. Here we report an atypical case of a 47-year-old previously healthy male who presented to a primary care setting complaining of fatigue and anorexia for the last two weeks. The evaluation revealed leucocytosis and peripheral hypereosinophilia with an absolute eosinophil count of 14.13×109/L (37%). Following an extensive diagnostic work in a secondary care centre he was finally diagnosed with rectal carcinoma. This case highlights that solid malignancy should be considered in patients with marked peripheral eosinophilia.
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Sasidharan Nair V, Saleh R, Taha RZ, Toor SM, Murshed K, Ahmed AA, Kurer MA, Abu Nada M, Al Ejeh F, Elkord E. Differential gene expression of tumor-infiltrating CD4 + T cells in advanced versus early stage colorectal cancer and identification of a gene signature of poor prognosis. Oncoimmunology 2020; 9:1825178. [PMID: 33101776 PMCID: PMC7553563 DOI: 10.1080/2162402x.2020.1825178] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Tumor-infiltrating lymphocytes (TILs) play indispensable roles in the progression and response to treatment of solid tumors. However, the prognostic significance of CD4+ TILs is not fully disclosed in cancers generally and in CRC in particular, mainly due to the existence of different functional subsets of CD4+ T cells. We performed transcriptomic profiling of CD4+ TILs isolated from CRC patients in order to identify differentially expressed genes and their functional pathways in early versus advanced disease stages. We found that in advanced stages, genes related to immune and inflammatory responses, in particular Th1-mediated immune response and cytotoxicity-mediated genes, were downregulated; while epigenetic-mediated silencing genes were upregulated. Interestingly, we identified genes, which were steadily upregulated or downregulated in CD4+ TILs with CRC progression from stage I to IV. Additionally, of the top 200 deregulated genes, 43 upregulated and 64 downregulated genes showed similar deregulation trends in the cancer genome atlas CRC dataset. From these 97 deregulated genes, we identified a “poor prognosis CD4 gene signature (ppCD4sig)”. Patients with high ppCD4sig score showed shorter disease-specific survival (DSS) and progression-free interval (PFI). The ppCD4sig was an independent prognostic indicator for DSS (HR = 1.73, 95% CI 1.32–2.27, P = 0.0001) and PFI (HR = 1.75, 95% CI 1.3–2.35, P = 0.0016). Additionally, patients at advanced stages and at a younger age (<55 years) were more likely to have a high ppCD4sig score. Altogether, our data provide novel insights and a unique prognostic gene signature of CD4+ TILs in the CRC microenvironment.
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Affiliation(s)
- Varun Sasidharan Nair
- Cancer Research Center, Qatar Biomedical Research Institute (QBRI), Hamad Bin Khalifa University (HBKU), Qatar Foundation (QF), Doha, Qatar
| | - Reem Saleh
- Cancer Research Center, Qatar Biomedical Research Institute (QBRI), Hamad Bin Khalifa University (HBKU), Qatar Foundation (QF), Doha, Qatar
| | - Rowaida Z Taha
- Cancer Research Center, Qatar Biomedical Research Institute (QBRI), Hamad Bin Khalifa University (HBKU), Qatar Foundation (QF), Doha, Qatar
| | - Salman M Toor
- Cancer Research Center, Qatar Biomedical Research Institute (QBRI), Hamad Bin Khalifa University (HBKU), Qatar Foundation (QF), Doha, Qatar
| | - Khaled Murshed
- Department of Pathology, Hamad Medical Corporation, Doha, Qatar
| | - Ayman A Ahmed
- Department of Surgery, Hamad Medical Corporation, Doha, Qatar
| | - Mohamed A Kurer
- Department of Surgery, Hamad Medical Corporation, Doha, Qatar
| | | | - Fares Al Ejeh
- Cancer Research Center, Qatar Biomedical Research Institute (QBRI), Hamad Bin Khalifa University (HBKU), Qatar Foundation (QF), Doha, Qatar
| | - Eyad Elkord
- Cancer Research Center, Qatar Biomedical Research Institute (QBRI), Hamad Bin Khalifa University (HBKU), Qatar Foundation (QF), Doha, Qatar
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Patients with early-onset rectal cancer aged 40 year or less have similar oncologic outcomes to older patients despite presenting in more advanced stage; A retrospective cohort study. Int J Surg 2020; 83:161-168. [PMID: 32980517 DOI: 10.1016/j.ijsu.2020.09.029] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2020] [Revised: 09/10/2020] [Accepted: 09/18/2020] [Indexed: 01/22/2023]
Abstract
BACKGROUND Early-onset colon and rectal cancer has increased in alarming rates. The present study reviewed the characteristics and outcome of early-onset rectal cancer in patients aged ≤40 years. METHODS This was a retrospective cohort study on rectal cancer patients who were treated in a tertiary center in the Middle East. Baseline characteristics and outcomes of patients ≤40 years were compared with patients >40 years. Main outcome measures were patients' and tumor characteristics, local recurrence, distance metastasis, overall survival (OS), and disease-free survival (DFS). RESULTS Among 244 patients with rectal cancer, 81 (33.2%) aged 40 years or less. 56.8% of patients ≤40 years and 49.7% of patients >40 years presented with stage III/IV disease (p = 0.36). Local recurrence and distant metastasis were detected in 10.3% and 13.2% of patients ≤40 years and in 16.9% and 13.9% of patients >40 years (p = 0.29 and 0.88). The 3-year OS and DFS rates of patients ≤40 years were 75% and 80.9% versus 74.2% and 76.5% in patients >40 years (p = 0.9 and 0.59). Patients ≤40 years presented with ulcerative carcinoma (38.3% vs 21.5%, p = 0.01) and signet-ring carcinoma (12.3% vs 2.5%, p = 0.008) more than patients > 40 years. CONCLUSION Early-onset rectal cancer accounted for one-third of all patients presenting with rectal cancer. Patients younger than 40 years had higher incidence of mucinous and signet-ring rectal carcinoma, and presented more with advanced stage. The age of patients did not have a significant impact on the oncologic outcome of rectal cancer.
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Madiba T, Moodley Y, Sartorius B, Sartorius K, Aldous C, Naidoo M, Govindasamy V, Bhadree S, Stopforth L, Ning Y, Kiran PR. Clinicopathological spectrum of colorectal cancer among the population of the KwaZulu-Natal Province in South Africa. Pan Afr Med J 2020; 37:74. [PMID: 33244337 PMCID: PMC7680225 DOI: 10.11604/pamj.2020.37.74.21313] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2019] [Accepted: 07/13/2020] [Indexed: 12/18/2022] Open
Abstract
Introduction the burden of colorectal carcinoma (CRC), once considered rare in Africa, may be changing with the disease being increasingly diagnosed and there is a suggestion that age and race influence tumour behaviour. We sought to describe the clinicopathological spectrum of CRC among the different race and age groups in a South African setting. Methods analysis of prospectively collected data from an on-going colorectal cancer database, including demographics, clinical presentation, site, staging and grading on all patients enrolled over an 18-year period. Results a total of 2232 patients with CRC were accrued over the study period (Africans, 798; Indians, 890; Coloureds, 104; and Whites, 440). Mean age was 57.7 (SD 14.4) but varied considerably by race (p < 0.001) with Africans being significantly younger. Young adults (aged < 40 years) totalled 305 and older patients (aged > 40 years) totalled 1927. The proportion of young patients (< 40 years old) was 28%, 7%, 9% and 3% among Africans, Indian, Coloured and White patients respectively. There were minimal variations in anatomical sub-site distribution. There was no difference in tumour stage between the various races and between older and young adults. Mucinous differentiation was more common in Africans and in young patients and poor differentiation was more common in African patients. Africans had a significantly lower resection rate compared to the other race groups (p < 0.001). Younger patients had a significantly lower resection rate compared to the older age group (p < 0.001). Conclusion African patients were the youngest compared to the other race groups. Mucinous differentiation predominated in Africans and young adults. Poor differentiation predominated in Africans. Resection rate was lower for African patients and in young patients.
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Affiliation(s)
- Thandinkosi Madiba
- Gastrointestinal Cancer Research Group, Department of Surgery, University of KwaZulu-Natal, Durban, South Africa
| | - Yoshan Moodley
- Gastrointestinal Cancer Research Group, Department of Surgery, University of KwaZulu-Natal, Durban, South Africa.,Faculty of Health and Environmental Sciences, Central University of Technology, Bloemfontein, South Africa
| | - Benn Sartorius
- Gastrointestinal Cancer Research Group, Department of Surgery, University of KwaZulu-Natal, Durban, South Africa.,London School of Hygiene and Tropical Medicine, London, UK
| | - Kurt Sartorius
- Gastrointestinal Cancer Research Group, Department of Surgery, University of KwaZulu-Natal, Durban, South Africa
| | - Colleen Aldous
- Gastrointestinal Cancer Research Group, Department of Surgery, University of KwaZulu-Natal, Durban, South Africa
| | - Maseelan Naidoo
- Gastrointestinal Cancer Research Group, Department of Surgery, University of KwaZulu-Natal, Durban, South Africa
| | - Vishendran Govindasamy
- Gastrointestinal Cancer Research Group, Department of Surgery, University of KwaZulu-Natal, Durban, South Africa
| | - Shona Bhadree
- Gastrointestinal Cancer Research Group, Department of Surgery, University of KwaZulu-Natal, Durban, South Africa.,Department of Radiation and Oncology, University of KwaZulu-Natal, Durban, South Africa
| | - Laura Stopforth
- Gastrointestinal Cancer Research Group, Department of Surgery, University of KwaZulu-Natal, Durban, South Africa.,Department of Radiation and Oncology, University of KwaZulu-Natal, Durban, South Africa
| | - Yuming Ning
- Columbia University Medical Centre and Mailman School of Public Health, New York, USA
| | - Pokala Ravi Kiran
- Gastrointestinal Cancer Research Group, Department of Surgery, University of KwaZulu-Natal, Durban, South Africa.,Columbia University Medical Centre and Mailman School of Public Health, New York, USA
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Abstract
Despite the steady decline in the incidence of colorectal cancer (CRC) and cancer-related mortality in Americans of 50 years and older over the last few decades, there has been a disturbing trend of steadily rising incidence in early-onset colorectal cancer (EOCRC), defined as CRC in those younger than 50 years. With the incidence of EOCRC increasing from 4.8 per 100,000 in 1988 to 8.0 per 100,000 in 2015, and with the decreased rates in those older than 50 years largely attributed to improved screening in the older population, new screening recommendations have recently lowered the age for screening average-risk individuals from 50 to 45. EOCRC has been found to present differently from late-onset CRC, with a higher proportion of patients presenting with left-sided and rectal cancer, more aggressive histological features, and more advanced stage at the time of diagnosis. This article reviews the most recent evidence from population-based studies and institutional series, as well as the newest screening guidelines, and provides an up-to-date summary of our current understanding of EOCRC, from clinical presentation to tumor biology and prognosis, and future directions in treatment and prevention.
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Affiliation(s)
- Blake Read
- Department of Surgery, Mills-Peninsula Medical Center, Palo Alto Medical Foundation, Burlingame, California
| | - Patricia Sylla
- Division of Colon and Rectal Surgery, Icahn School of Medicine at Mount Sinai, New York, New York
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Jiang D, Shu C, Lei C, Wan Y, Sun L. Early-onset colorectal cancer: A distinct entity with unique genetic features. Oncol Lett 2020; 20:33. [PMID: 32774506 PMCID: PMC7406876 DOI: 10.3892/ol.2020.11894] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2020] [Accepted: 06/26/2020] [Indexed: 02/05/2023] Open
Abstract
The aim of the present study was to elucidate the genetic features of early-onset colorectal cancer (CRC), particularly the genetic mutations that may be regarded as prognostic and/or predictive markers in CRC and other malignancies. In total, 40 patients with non-polyposis CRC aged 35 or younger were selected. The formalin-fixed, paraffin-embedded tumors acquired were subjected to mismatch repair (MMR) protein immunochemical staining and gene analysis with next-generation sequencing (44 exons, 17 genes; Ion Torrent Sequencing Platform). A total of 11 (27.5%) tumors presented with MMR protein deficiency (dMMR) and 26 (65%) tumors harbored one or more genetic mutations, including K-RAS proto-oncogene (35%), phosphatidylinositol-4,5-bisphosphate 3-kinase catalytic subunit alpha (PIK3CA; 20%), B-Raf proto-oncogene (5%), erb-b2 receptor tyrosine kinase 2 (5%), discoidin domain receptor tyrosine kinase 2 (5%), N-RAS proto-oncogene (2.5%), KIT proto-oncogene (2.5%), TSC complex subunit 1 (2.5%), DNA methyltransferase 3 alpha (2.5%) and ABL proto-oncogene 1 (2.5%). Of the dMMR tumors, 81.8% (9/11) of cases presented with mutations in the tested genes, while only 58.6% (17/29) of the MMR-proficient (pMMR) tumors presented with these (P=0.158). PI3KCA was frequently mutated in dMMR tumors compared to pMMR tumors (P=0.025). In a subgroup with a family history of CRC, the dMMR status (P<0.001) and PIK3CA genetic mutation status (P=0.01) were more frequently observed compared to the other two groups (with a family history of other cancer types or no malignancy). Almost all patients who had relatives with CRC presented with both dMMR and other genetic mutations, while this was not observed in the patients who had relatives with other types of carcinoma. Certain genetic mutations that are rarely reported in CRC were only identified in those patients with a family history of carcinoma. In conclusion, non-polyposis CRC in young adults presents as a distinct entity with a unique set of genetic features. However, investigation of more cases in further studies is required to verify the present results.
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Affiliation(s)
- Dan Jiang
- Department of Pathology, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, P.R. China
| | - Chang Shu
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Chengdu, Sichuan 610041, P.R. China
| | - Chuanfen Lei
- Department of Pathology, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, P.R. China
| | - Ying Wan
- Department of Pathology, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, P.R. China
| | - Linyong Sun
- Department of Pathology, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, P.R. China
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Kittrongsiri K, Wanitsuwan W, Prechawittayakul P, Sangroongruangsri S, Cairns J, Chaikledkaew U. Survival analysis of colorectal cancer patients in a Thai hospital-based cancer registry. Expert Rev Gastroenterol Hepatol 2020; 14:291-300. [PMID: 32148114 DOI: 10.1080/17474124.2020.1740087] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
Background: The study aimed to assess the overall and stage-specific colorectal cancer (CRC) survival and to identify the prognostic factors for survival among Thai patients.Research design and methods: The retrospective data of CRC patients from a university hospital-based cancer registry from 2001 to 2014 were used to estimate five-year overall survival (OS). Kaplan-Meier method and log-rank tests were used to assess the differences in five-year OS by age at diagnosis, diagnostic period, tumor site, stage at diagnosis and treatment modalities. A multivariate Cox's proportional hazard model was used to identify independent prognostic factors for the OS.Results: A total of 1,507 (48%) colon and 1,648 (52%) rectal cancer patients were included. Five-year OS for CRC patients was 44%. It differed significantly by stage, age group, and treatment received. Stage at diagnosis, age group, diagnostic period, receiving surgical and chemotherapy treatments were prognostic factors for OS.Conclusions: An increasing trend in the number of CRC patients mostly at stage III and IV was found. Our results emphasized that an improvement in CRC survival could be achieved through the adoption of advanced cancer therapies, as well as improved access to quality diagnosis and timely treatment.
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Affiliation(s)
- Kankamon Kittrongsiri
- Social, Economic and Administrative Pharmacy (SEAP) Graduate Program, Faculty of Pharmacy, Mahidol University, Bangkok, Thailand
| | - Worawit Wanitsuwan
- Department of Surgery, Faculty of Medicine, Prince of Songkla University, Songkhla, Thailand
| | - Paradee Prechawittayakul
- Cancer Information Center, Faculty of Medicine, Prince of Songkla University, Songkhla, Thailand
| | - Sermsiri Sangroongruangsri
- Social and Administrative Pharmacy Division, Department of Pharmacy, Faculty of Pharmacy, Mahidol University, Bangkok, Thailand
| | - John Cairns
- Department of Health Services Research and Policy, London School of Hygiene & Tropical Medicine, London, UK
| | - Usa Chaikledkaew
- Social and Administrative Pharmacy Division, Department of Pharmacy, Faculty of Pharmacy, Mahidol University, Bangkok, Thailand
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Zhang QW, Sun LC, Tang CT, Liang Q, Zhou YY, Chen HM, Gao YJ, Ge ZZ. Inverse Association of Age with Risk of Lymph Node Metastasis in Superficial Colorectal Cancer: A Large Population-Based Study. Oncologist 2020; 25:e920-e927. [PMID: 31922308 DOI: 10.1634/theoncologist.2019-0815] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2019] [Accepted: 12/05/2019] [Indexed: 12/24/2022] Open
Abstract
BACKGROUND Superficial colorectal cancer (SCRC) is defined as colorectal cancer (CRC) confined to the mucosa or submucosa. Endoscopic resection (ER) is widely used to resect differentiated SCRC from patients without lymph node metastasis (LNM). However, it is unclear whether ER is suitable for use with patients with differentiated early-onset SCRC because early-onset CRC is more aggressive. Therefore, we aimed to investigate the association between age of CRC onset and LNM. MATERIALS AND METHODS We retrieved data for patients with surgically resected differentiated-type SCRCs from the Surveillance, Epidemiology, and End Results (SEER) database. Rate of LNM was compared among patients aged 18-39, 40-49, 50-59, 60-69, and ≥70 years. The association between age and LNM was further examined using multivariate logistic regression. RESULTS We retrieved 34,506 records of differentiated SCRCs from the SEER database, including 667 patients aged 18-39 years, 2,385 aged 40-49, 8,075 aged 50-59 years, 9,577 aged 60-69 years, and 13,802 aged ≥70 years. Rates of LNM were 15.74%, 14.13%, 10.67%, 8.07%, and 6.76% for patients aged 18-39, 40-49, 50-59, 60-69, and ≥70 years, respectively. We found an inverse correlation between age at diagnosis and risk of LNM from the univariate analysis (p < .001). Compared with patients aged 18-39, the odds ratios with 95% confidence interval (CI) for patients aged 40-49, 50-59, 60-69, and ≥70 years were 0.90 (0.71-1.15, p = .376), 0.69 (0.56-0.87, p = .001), 0.54 (0.43-0.68, p < .001), and 0.47 (0.38-0.60, p < .001), respectively. CONCLUSION In differentiated SCRCs, younger age at diagnosis was associated with higher risk of LNM. IMPLICATIONS FOR PRACTICE Endoscopic resection (ER) is widely used to resect differentiated superficial colorectal cancer (SCRC) without lymph node metastasis (LNM). However, no study has ever investigated risk of LNM of early-onset SCRC compared with average onset SCRC to explore whether ER is suitable for early-onset SCRC. To the authors' knowledge, this population-based study is the first study to find inverse correlation between age at diagnosis and risk of LNM in differentiated SCRCs. This finding indicates that ER may not be suitable for young patients with differentiated SCRC. Because the 30-day operative mortality after surgery is higher but the risk of LNM is lower in older patients compared with younger patients, ER for differentiated SCRCs may be advantageous over surgery for older patients.
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Affiliation(s)
- Qing-Wei Zhang
- Division of Gastroenterology and Hepatology, Key Laboratory of Gastroenterology and Hepatology, Ministry of Health, Shanghai Jiao Tong University, Shanghai, People's Republic of China
| | - Long-Ci Sun
- Department of Gastrointestinal Surgery, Shanghai Jiao Tong University, Shanghai, People's Republic of China
| | - Chao-Tao Tang
- Department of Gastroenterology, the First Affiliated Hospital of Nanchang University, Nanchang, People's Republic of China
| | - Qian Liang
- Division of Gastroenterology and Hepatology, Key Laboratory of Gastroenterology and Hepatology, Ministry of Health, Shanghai Jiao Tong University, Shanghai, People's Republic of China
| | - Yang-Yang Zhou
- State Key Laboratory of Oncogenes and Related Genes at Shanghai Cancer Institute, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, People's Republic of China
| | - Hui-Min Chen
- Division of Gastroenterology and Hepatology, Key Laboratory of Gastroenterology and Hepatology, Ministry of Health, Shanghai Jiao Tong University, Shanghai, People's Republic of China
| | - Yun-Jie Gao
- Division of Gastroenterology and Hepatology, Key Laboratory of Gastroenterology and Hepatology, Ministry of Health, Shanghai Jiao Tong University, Shanghai, People's Republic of China
| | - Zhi-Zheng Ge
- Division of Gastroenterology and Hepatology, Key Laboratory of Gastroenterology and Hepatology, Ministry of Health, Shanghai Jiao Tong University, Shanghai, People's Republic of China
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Christodoulides N, Lami M, Malietzis G, Rasheed S, Tekkis P, Kontovounisios C. Sporadic colorectal cancer in adolescents and young adults: a scoping review of a growing healthcare concern. Int J Colorectal Dis 2020; 35:1413-1421. [PMID: 32556652 PMCID: PMC7340664 DOI: 10.1007/s00384-020-03660-5] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 06/03/2020] [Indexed: 02/04/2023]
Abstract
PURPOSE Sporadic colorectal cancer (CRC) amongst adolescents and young adults (AYA) is increasing in incidence. The reasons for this trend are not well understood. Current guidelines do not specifically address this patient cohort. A scoping review was performed to summarise the range of available evidence and identify key areas that need to be addressed in current guidelines. METHODS A systematic literature search was conducted adhering to the PRISMA statement. All potentially eligible studies were screened, and data extraction was performed by two reviewers independently. The studies were then divided into 5 broad subgroups: (1) risk factors, (2) screening, (3) clinicopathological and molecular features, (4) presentation and (5) management. Descriptive statistics were used for data analysis. RESULTS A total of 17 studies were included from 2010 to 2019. Overall, young adults with CRC tend to present with non-specific symptoms. The majority of these patients have a delayed diagnosis and more advanced disease at presentation, with a rise in prevalence of distal colon and rectal cancers. AYAs tend to have poorly differentiated tumours and are managed more aggressively. Overall 5-year survival varies between studies. CONCLUSION This is, to our knowledge, the first scoping review presenting the range of available evidence on CRC in AYAs. Although the rise in incidence is recognised by specialist bodies, recommendations are limited by the sparsity of available data. We seek to highlight the need for further research, define the role of earlier screening and raise awareness to promote thorough assessment of young patients.
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Affiliation(s)
- Natasha Christodoulides
- grid.439369.20000 0004 0392 0021Chelsea and Westminster Hospital, London, UK ,grid.7445.20000 0001 2113 8111Department of Surgery and Cancer, Imperial College, South Kensington Campus, London, SW7 2AZ UK
| | - Mariam Lami
- grid.439369.20000 0004 0392 0021Chelsea and Westminster Hospital, London, UK
| | - George Malietzis
- grid.439369.20000 0004 0392 0021Chelsea and Westminster Hospital, London, UK ,grid.7445.20000 0001 2113 8111Department of Surgery and Cancer, Imperial College, South Kensington Campus, London, SW7 2AZ UK ,grid.424926.f0000 0004 0417 0461Royal Marsden Hospital, London, UK
| | | | - Paris Tekkis
- grid.439369.20000 0004 0392 0021Chelsea and Westminster Hospital, London, UK ,grid.7445.20000 0001 2113 8111Department of Surgery and Cancer, Imperial College, South Kensington Campus, London, SW7 2AZ UK ,grid.424926.f0000 0004 0417 0461Royal Marsden Hospital, London, UK
| | - Christos Kontovounisios
- grid.439369.20000 0004 0392 0021Chelsea and Westminster Hospital, London, UK ,grid.7445.20000 0001 2113 8111Department of Surgery and Cancer, Imperial College, South Kensington Campus, London, SW7 2AZ UK ,grid.424926.f0000 0004 0417 0461Royal Marsden Hospital, London, UK
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Leong E, Ong SK, Madli F, Tan A, Lai D, Basir N, Ramlee N, Chong VH. Survival Rates and Associated Factors of Colorectal Cancer Patients in Brunei Darussalam. Asian Pac J Cancer Prev 2020; 21:259-265. [PMID: 31983194 PMCID: PMC7294032 DOI: 10.31557/apjcp.2020.21.1.259] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2019] [Indexed: 01/16/2023] Open
Abstract
Background: Colorectal cancer (CRC) is the third most common cancer in both men and women. In most Asian countries, both the incidence and mortality rates of CRC are gradually increasing. In Brunei Darussalam, CRC ranks first and second in lifetime risk among men and women respectively. This study aims to report the overall survival rates and associated factors of CRC in Brunei Darussalam. Methods: This is a retrospective study examining CRC data for the period 2007 to 2017 retrieved from a population based cancer registry in Brunei Darussalam. A total of 728 patients were included in the analysis. Kaplan Meier method was used to estimate survival rates. Univariate analysis using log-rank test was used to examine the differences in survival between groups. Multivariate analysis using Cox PH regression was used to estimate hazard of death and obtain significant predictors that influence CRC patients’ survival. Results: The median survival time for colorectal, colon and rectal cancer patients were 57.0, 85.8 and 40.0 months respectively. The overall 1-, 3- and 5- year survival rates for CRC patients were 78.0%, 57.7% and 49.6% respectively. In univariate analysis, age at diagnosis, ethnicity, cancer stage, tumour location and histology were found to have significant difference in CRC patients’ survival. In the Cox PH analysis, older age (≥70 years), cancer stage, ethnicity and other histological type were determined as associated factors of CRC patients’ survival. Conclusion: This study found the overall 5-year survival rate of CRC in Brunei Darussalam is similar to that in some Asian countries such as Singapore and Malaysia. However, more efforts need to be carried out in order to raise awareness of CRC and improve the survival of CRC patients.
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Affiliation(s)
- Elvynna Leong
- Faculty of Science, Universiti Brunei Darussalam, Jln Tungku Link, Brunei Darussalam.,Institute of Applied Data Analytics, Universiti Brunei Darussalam, Jln ungku Link, Brunei Darussalam
| | - Sok King Ong
- NCD Prevention Unit, Ministry of Health, Commonwealth Drive, Brunei Darussalam
| | - Fadhliah Madli
- Faculty of Science, Universiti Brunei Darussalam, Jln Tungku Link, Brunei Darussalam
| | - Abby Tan
- Faculty of Science, Universiti Brunei Darussalam, Jln Tungku Link, Brunei Darussalam
| | - Daphne Lai
- Faculty of Science, Universiti Brunei Darussalam, Jln Tungku Link, Brunei Darussalam.,Institute of Applied Data Analytics, Universiti Brunei Darussalam, Jln ungku Link, Brunei Darussalam
| | - Norwani Basir
- Gastroenterology and Hepatology Unit, Raja Isteri Pengiran Anak Saleha Hospital, Brunei Darussalam
| | - Noraslinah Ramlee
- Early Detection & Cancer Prevention Services, Pantai Jerudong Specialist Centre, Brunei Darussalam
| | - Vui Heng Chong
- Gastroenterology and Hepatology Unit, Raja Isteri Pengiran Anak Saleha Hospital, Brunei Darussalam
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Jin LJ, Chen WB, Zhang XY, Bai J, Zhao HC, Wang ZY. Analysis of factors potentially predicting prognosis of colorectal cancer. World J Gastrointest Oncol 2019; 11:1206-1217. [PMID: 31908725 PMCID: PMC6937433 DOI: 10.4251/wjgo.v11.i12.1206] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/11/2019] [Revised: 08/05/2019] [Accepted: 08/26/2019] [Indexed: 02/05/2023] Open
Abstract
BACKGROUND Accurate assessment of the prognosis after colorectal cancer surgery is of great significance in patients with colorectal cancer. However, there is no systematic analysis of factors affecting the prognosis of colorectal cancer currently.
AIM To systematically analyze the influence of clinical data and serological and histological indicators on the prognosis of patients with colorectal cancer, and to explore the indicators that can accurately assess the prognosis of patients with colorectal cancer.
METHODS A total of 374 patients with colorectal cancer were enrolled. The clinical data, tumor-node-metastasis (TNM) stage, and Dukes stage were recorded. All patients received examinations including carcinoembryonic antigen (CEA), carbohydrate antigen 199, C-reactive protein, albumin, D-dimer, and fibrinogen as well as routine blood tests one week before surgery. The tumor location, size, depth of invasion, lymph node metastasis, and distant metastasis were recorded during surgery. The pathological tissue typing and expression of proliferating cell nuclear antigen (PCNA) and p53 were observed. All patients were followed for 3 years, and patients with endpoint events were defined as a poor prognosis group, and the remaining patients were defined as a good prognosis group. The differences in clinical data, serology, and histology were analyzed between the two groups. Multivariate COX regression was used to analyze the independent influencing factors for the prognosis of colorectal cancer. The receiver operating characteristic curve was used to evaluate the predictive value of each of the independent influencing factors and their combination for the prognosis of colorectal cancer.
RESULTS The follow-up outcomes showed that 81 patients were in the good prognosis group and 274 patients in the poor prognosis group. The TNM stage, PCNA, Glasgow prognostic score (GPS), neutrophil-lymphocyte ratio (NLR), C-reactive protein/albumin ratio (CAR), D-dimer, and CEA were independent influencing factors for the prognosis of colorectal cancer (P = 0.000). NLR had the highest predictive power for colorectal cancer prognosis [area under the receiver operating characteristic curve (AUC) = 0.925], followed by D-dimer (AUC = 0.879) and GPS (AUC = 0.872). The accuracy of the combination of all indicators in predicting the prognosis of colorectal cancer was the highest (AUC = 0.973), which was significantly higher than that of any of the indicators alone (P < 0.05). The sensitivity and specificity of the combination were 92.59% and 90.51%, respectively.
CONCLUSION The independent influence factors for the prognosis of colorectal cancer include TNM stage, PCNA, GPS, NLR, CAR, D-dimer, and CEA. The combined assessment of the independent factors is the most accurate predictor of the prognosis after colorectal cancer surgery.
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Affiliation(s)
- Li-Jun Jin
- Department of Surgical Oncology (Division III), Cangzhou Central Hospital, Cangzhou 061001, Hebei Province, China
| | - Wei-Bin Chen
- Department of Radiology, North China University of Science and Technology Affiliated Hospital, Tangshan 063000, Hebei Province, China
| | - Xiao-Yu Zhang
- Department of Surgical Oncology (Division III), Cangzhou Central Hospital, Cangzhou 061001, Hebei Province, China
| | - Jie Bai
- Department of Surgical Oncology (Division III), Cangzhou Central Hospital, Cangzhou 061001, Hebei Province, China
| | - Hao-Chen Zhao
- Department of Anesthesiology (Division II), Cangzhou Central Hospital, Cangzhou 061001, Hebei Province, China
| | - Zun-Yi Wang
- Department of Surgical Oncology (Division III), Cangzhou Central Hospital, Cangzhou 061001, Hebei Province, China
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Jin LJ, Chen WB, Zhang XY, Bai J, Zhao HC, Wang ZY. Analysis of factors potentially predicting prognosis of colorectal cancer. World J Gastrointest Oncol 2019. [DOI: 10.4251/wjgo.v11.i11.1206] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023] Open
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Kocián P, Svobodová I, Krejčí D, Blaha M, Gürlich R, Dušek L, Hoch J, Whitley A. Is colorectal cancer a more aggressive disease in young patients? A population-based study from the Czech Republic. Cancer Epidemiol 2019; 63:101621. [PMID: 31634775 DOI: 10.1016/j.canep.2019.101621] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2019] [Revised: 09/22/2019] [Accepted: 09/30/2019] [Indexed: 02/07/2023]
Abstract
INTRODUCTION The incidence of colorectal cancer in young patients is increasing. The goal of this study was to investigate whether clinicopathological features and survival differed between young, middle-aged and elderly patients. METHODS The Czech National Cancer Registry was searched to identify all cases of colorectal cancer between 1982 and 2014. Three subgroups of patients were created: young patients, defined as being between 18 and 40 years of age, middle-aged patients, defined as being between 41 and 74 years of age, and elderly patients, defined as being over the age of 75 years. RESULTS A total of 192,241 patients diagnosed with colorectal cancer between the years 1982 and 2014 were included in the study. Out of these, 3,287 patients (1.7%) were between 18 and 40 years of age, 134,139 patients (69.8%) were between 41 and 74 years of age and 54,815 patients (28.5%) were 75 years of age or older. The young patients had a higher incidence of mucinous adenocarcinoma and signet ring cell carcinoma, more advanced disease and more rectal tumours than elderly patients. Nonetheless, young patients received treatment more frequently and had better cancer-specific survival than the older patients. CONCLUSION The better prognosis in young patients is presumably due to their better physiological reserve and lower incidence of comorbidities. Efforts should be made in younger patients to diagnose early and treat aggressively.
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Affiliation(s)
- Petr Kocián
- Department of Surgery, Second Faculty of Medicine, Charles University and Motol University Hospital, Prague, Czech Republic
| | - Ivana Svobodová
- Institute of Health Information and Statistics of the Czech Republic, Prague, Czech Republic; Institute of Biostatistics and Analyses, Medical Faculty, Masaryk University, Brno, Czech Republic
| | - Denisa Krejčí
- Institute of Health Information and Statistics of the Czech Republic, Prague, Czech Republic; Institute of Biostatistics and Analyses, Medical Faculty, Masaryk University, Brno, Czech Republic
| | - Milan Blaha
- Institute of Health Information and Statistics of the Czech Republic, Prague, Czech Republic; Institute of Biostatistics and Analyses, Medical Faculty, Masaryk University, Brno, Czech Republic
| | - Robert Gürlich
- Department of Surgery, Third Faculty of Medicine, Charles University and University Hospital Kralovske Vinohrady, Prague, Czech Republic
| | - Ladislav Dušek
- Institute of Health Information and Statistics of the Czech Republic, Prague, Czech Republic; Institute of Biostatistics and Analyses, Medical Faculty, Masaryk University, Brno, Czech Republic
| | - Jiří Hoch
- Department of Surgery, Second Faculty of Medicine, Charles University and Motol University Hospital, Prague, Czech Republic
| | - Adam Whitley
- Department of Surgery, Third Faculty of Medicine, Charles University and University Hospital Kralovske Vinohrady, Prague, Czech Republic; Department of Anatomy, Second Faculty of Medicine, Charles University, Prague, Czech Republic.
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Mathews NS, Masih D, Mittal R, Perakath B, Sakthi D, Rebekah G, Pai R, Pulimood AB. Microsatellite instability in young patients with mucinous colorectal cancers - characterization using molecular testing, immunohistochemistry, and histological features. Indian J Cancer 2019; 56:309-314. [PMID: 31607698 DOI: 10.4103/ijc.ijc_224_18] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
CONTEXT The incidence of colorectal cancers (CRCs) in young Indian patients is higher than the international average. CRCs in young patients are commonly of mucinous type and show microsatellite instability (MSI). AIMS To ascertain the MSI status of mucinous CRCs in patients ≤40 years of age by molecular testing and to correlate this with immunohistochemical (IHC) analysis and tumor histology. SUBJECTS AND METHODS Archived formalin-fixed paraffin embedded tissue blocks of 30 young mucinous CRC patients were retrieved. MSI testing was done using two mononucleotide markers - BAT26 and NR24. IHC analysis was done using MLH1, MSH2, and MSH6. Histological features of all cases were studied. Data were analyzed using the SPSS software and the Pearson's chi-square test and Fisher's exact test. RESULTS Eight out of 30 cases (26.7%) showed MSI by molecular testing. IHC identified seven of these cases. Histological features showing a statistically significant association with MSI were the presence of a well-differentiated adenocarcinoma component (P = 0.003), peritumoral lymphocytes (P = 0.002) and tumor budding (P = 0.021). CONCLUSION The detection of defective mismatch repair (MMR) proteins using IHC for MLH1, MSH2, and MSH6 and molecular testing using BAT26 and NR24 appears to be a good protocol to detect CRCs with MSI. Histology could be useful in identifying cases that require screening for presence of MMR protein defects.
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Affiliation(s)
- Nitty Skariah Mathews
- Department of General Pathology, Christian Medical College, Vellore, Tamil Nadu, India
| | - Dipti Masih
- Department of General Pathology, Christian Medical College, Vellore, Tamil Nadu, India
| | - Rohin Mittal
- Department of Colorectal Surgery, Christian Medical College, Vellore, Tamil Nadu, India
| | - Benjamin Perakath
- Department of Colorectal Surgery, Christian Medical College, Vellore, Tamil Nadu, India
| | - Dhananjayan Sakthi
- Department of General Pathology, Christian Medical College, Vellore, Tamil Nadu, India
| | - Grace Rebekah
- Department of Biostatistics, Christian Medical College, Vellore, Tamil Nadu, India
| | - Rekha Pai
- Department of General Pathology, Christian Medical College, Vellore, Tamil Nadu, India
| | - Anna B Pulimood
- Department of General Pathology, Christian Medical College, Vellore, Tamil Nadu, India
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Araghi M, Soerjomataram I, Bardot A, Ferlay J, Cabasag CJ, Morrison DS, De P, Tervonen H, Walsh PM, Bucher O, Engholm G, Jackson C, McClure C, Woods RR, Saint-Jacques N, Morgan E, Ransom D, Thursfield V, Møller B, Leonfellner S, Guren MG, Bray F, Arnold M. Changes in colorectal cancer incidence in seven high-income countries: a population-based study. Lancet Gastroenterol Hepatol 2019; 4:511-518. [PMID: 31105047 DOI: 10.1016/s2468-1253(19)30147-5] [Citation(s) in RCA: 225] [Impact Index Per Article: 45.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/21/2019] [Revised: 03/14/2019] [Accepted: 03/15/2019] [Indexed: 02/07/2023]
Abstract
BACKGROUND The overall incidence of colorectal cancer is decreasing in many high-income countries, yet analyses in the USA and other high-income countries such as Australia, Canada, and Norway have suggested increasing incidences among adults younger than 50 years. We aimed to examine longitudinal and generational changes in the incidence of colon and rectal cancer in seven high-income countries. METHODS We obtained data for the incidence of colon and rectal cancer from 21 population-based cancer registries in Australia, Canada, Denmark, Norway, New Zealand, Ireland, and the UK for the earliest available year until 2014. We used age-period-cohort modelling to assess trends in incidence by age group, period, and birth cohort. We stratified cases by tumour subsite according to the 10th edition of the International Classification of Diseases. Age-standardised incidences were calculated on the basis of the world standard population. FINDINGS An overall decline or stabilisation in the incidence of colon and rectal cancer was noted in all studied countries. In the most recent 10-year period for which data were available, however, significant increases were noted in the incidence of colon cancer in people younger than 50 years in Denmark (by 3·1%), New Zealand (2·9%), Australia (2·9%), and the UK (1·8%). Significant increases in the incidence of rectal cancer were also noted in this age group in Canada (by 3·4%), Australia (2·6%), and the UK (1·4%). Contemporaneously, in people aged 50-74 years, the incidence of colon cancer decreased significantly in Australia (by 1·6%), Canada (1·9%), and New Zealand (3·4%) and of rectal cancer in Australia (2·4%), Canada (1·2%), and the UK (1·2%). Increases in the incidence of colorectal cancer in people younger than 50 years were mainly driven by increases in distal (left) tumours of the colon. In all countries, we noted non-linear cohort effects, which were more pronounced for rectal than for colon cancer. INTERPRETATION We noted a substantial increase in the incidence of colorectal cancer in people younger than 50 years in some of the countries in this study. Future studies are needed to establish the root causes of this rising incidence to enable the development of potential preventive and early-detection strategies. FUNDING Canadian Partnership Against Cancer, Cancer Council Victoria, Cancer Institute New South Wales, Cancer Research UK, Danish Cancer Society, National Cancer Registry Ireland, the Cancer Society of New Zealand, NHS England, Norwegian Cancer Society, Public Health Agency Northern Ireland, Scottish Government, Western Australia Department of Health, and Wales Cancer Network.
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Affiliation(s)
- Marzieh Araghi
- Section of Cancer Surveillance, International Agency for Research on Cancer, Lyon, France.
| | - Isabelle Soerjomataram
- Section of Cancer Surveillance, International Agency for Research on Cancer, Lyon, France
| | - Aude Bardot
- Section of Cancer Surveillance, International Agency for Research on Cancer, Lyon, France
| | - Jacques Ferlay
- Section of Cancer Surveillance, International Agency for Research on Cancer, Lyon, France
| | - Citadel J Cabasag
- Section of Cancer Surveillance, International Agency for Research on Cancer, Lyon, France
| | - David S Morrison
- Scottish Cancer Registry, Information Services Division, National Health Service National Services Scotland, South Gyle, Edinburgh, Scotland
| | - Prithwish De
- Analytics and Informatics, Cancer Care Ontario, Toronto, ON, Canada
| | - Hanna Tervonen
- Cancer Institute New South Wales, Alexandria, NSW, Australia
| | | | - Oliver Bucher
- Department of Epidemiology and Cancer Registry, Cancercare Manitoba, Winnipeg, MB, Canada
| | | | | | - Carol McClure
- Prince Edward Island Cancer Registry, Charlottetown, PE, Canada
| | | | | | - Eileen Morgan
- Northern Ireland Cancer Registry, Queen's University Belfast, Belfast, Northern Ireland
| | - David Ransom
- Western Australia Cancer and Palliative Care Network Policy Unit Health Networks Branch, Department of Health, Perth, WA, Australia
| | - Vicky Thursfield
- Victorian Cancer Registry, Cancer Council Victoria, Melbourne, VIC, Australia
| | - Bjørn Møller
- Institute of Population-Based Cancer Research, Cancer Registry of Norway, Oslo, Norway
| | - Suzanne Leonfellner
- NB Cancer Network, Department of Health, Province of New Brunswick, Fredericton, NB, Canada
| | - Marianne G Guren
- Department of Oncology and K G Jebsen Colorectal Cancer Research Center, Oslo University Hospital, Oslo, Norway
| | - Freddie Bray
- Section of Cancer Surveillance, International Agency for Research on Cancer, Lyon, France
| | - Melina Arnold
- Section of Cancer Surveillance, International Agency for Research on Cancer, Lyon, France
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Differences in biological behaviors between young and elderly patients with colorectal cancer. PLoS One 2019; 14:e0218604. [PMID: 31211804 PMCID: PMC6581287 DOI: 10.1371/journal.pone.0218604] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2018] [Accepted: 06/05/2019] [Indexed: 02/07/2023] Open
Abstract
Background We investigated the differences in biological behaviors of sporadic colorectal cancer (CRC) between young and elderly patients. CRC is a common cancer, with a mean age at onset of > 65 years. However, recent reports indicate increasing rates in younger populations. The biological behaviors of sporadic CRC in elderly patients could differ from those in young patients. Methods Between September 2007 and August 2012, we selected 723 CRC patients from our institution. The patients were divided into Group Y (n = 127, aged ≤50 years) and Group O (n = 596, aged >50 years). The clinicopathologic and oncologic outcomes in the two groups were compared. Results Group Y tumors were characterized by higher incidences of mucin production (13.4% vs. 6.7%; P = 0.017), high microsatellite instability (MSI-H) (19.8% vs. 5.2%; P < 0.001), and N2 stage (32.3% vs. 22.1%; P = 0.020) than those in Group O. The recurrence rates were similar in both groups (14.9% vs. 17.3%; P = 0.665). The 5-year overall survival and disease-free survival did not differ. Multivariate analysis indicated that cellular differentiation and pathologic stage were significant prognostic factors for 5-year overall survival. Conclusion Although age was not a prognostic factor for overall survival and young patients did not show a worse prognosis, there were differences in mucin production, MSI-H, and N2 stage between the two groups. Further studies are needed to clarify the clinical and biological characteristics of CRC, improve its treatment strategies, and promote better outcomes in young patients.
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Lee YH, Kung PT, Wang YH, Kuo WY, Kao SL, Tsai WC. Effect of length of time from diagnosis to treatment on colorectal cancer survival: A population-based study. PLoS One 2019; 14:e0210465. [PMID: 30640932 PMCID: PMC6331126 DOI: 10.1371/journal.pone.0210465] [Citation(s) in RCA: 53] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2018] [Accepted: 12/25/2018] [Indexed: 11/18/2022] Open
Abstract
Evidence is limited regarding the effect of diagnosis-to-treatment interval (DTI) on the survival of colorectal cancer (CRC) patients. In addition, previous studies on treatment delay and CRC survival have largely grouped patients from all stages (I-IV) into one cohort. Our study provides analysis on each stage individually. We conducted a retrospective cohort study with 39,000 newly diagnosed CRC patients obtained from the Taiwan Cancer Registry Database from 2004–2010 to examine the effect of DTIs on overall survival. DTIs were divided into 3 groups: ≤ 30 days (36,115 patients, 90.5% of study patients), 31–150 days (2,533, 6.4%), and ≥ 151 days (1,252, 3.15%). Risk of death was increased for DTI 31–150 days (hazard ratio 1.51; 95% confidence interval 1.43–1.59) and DTI ≥ 151 days (1.64; 1.54–1.76) compared to DTI ≤ 30. This risk was consistent across all cancer stages. Additional factors that increased risk of death include male gender, age >75, Charlson Comorbidity Index ≥7, other catastrophic illnesses, lack of multidisciplinary team involvement, and treatment in a low volume center. From these results, we advise that the DTI for all CRC patients, regardless of cancer staging, should be 30 days or less.
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Affiliation(s)
- Yung-Heng Lee
- Department of Health Services Administration, China Medical University, Taichung, Taiwan, ROC
- Department of Public Health, China Medical University, Taiwan, ROC
- Department of Orthopedics, Miaoli General Hospital, Miaoli, Taiwan, ROC
- Department of Nursing Administration, Jen-Teh Junior College of Medicine, Nursing and Management, Miaoli, Taiwan, ROC
| | - Pei-Tseng Kung
- Department of Healthcare Administration, Asia University, Taichung, Taiwan, ROC
- Department of Medical Research, China Medical University Hospital, China Medical University, Taichung, Taiwan, R.O.C.
| | - Yueh-Hsin Wang
- Department of Health Services Administration, China Medical University, Taichung, Taiwan, ROC
| | - Wei-Yin Kuo
- Department of Health Services Administration, China Medical University, Taichung, Taiwan, ROC
| | - Su-Ling Kao
- Department of Nursing Administration, Jen-Teh Junior College of Medicine, Nursing and Management, Miaoli, Taiwan, ROC
- Department of Human Resource, Cishan General Hospital, Kaohsiung, Taiwan, ROC
| | - Wen-Chen Tsai
- Department of Health Services Administration, China Medical University, Taichung, Taiwan, ROC
- * E-mail:
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Mauri G, Sartore-Bianchi A, Russo AG, Marsoni S, Bardelli A, Siena S. Early-onset colorectal cancer in young individuals. Mol Oncol 2018; 13:109-131. [PMID: 30520562 PMCID: PMC6360363 DOI: 10.1002/1878-0261.12417] [Citation(s) in RCA: 346] [Impact Index Per Article: 57.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2018] [Revised: 11/01/2018] [Accepted: 11/20/2018] [Indexed: 12/15/2022] Open
Abstract
Treatment of young adults with colorectal cancer (CRC) represents an unmet clinical need, especially as diagnosis in this population might lead to the greatest loss of years of life. Since 1994, CRC incidence in individuals younger than 50 years has been increasing by 2% per year. The surge in CRC incidence in young adults is particularly alarming as the overall CRC frequency has been decreasing. Early-onset CRC are characterized by a more advanced stage at diagnosis, poorer cell differentiation, higher prevalence of signet ring cell histology, and left colon-sided location of the primary tumor. Among EO-CRC, approximately 30% of patients are affected by tumors harboring mutations causing hereditary cancer predisposing syndromes, and 20% have familial CRC. Most notably, the remaining 50% of EO-CRC patients have neither hereditary syndromes nor familial CRC, thus representing a formidable challenge for research. In this review article we summarize epidemiology, clinical and molecular features, heredity and outcome of treatments of EO-CRC, and provide considerations for future perspectives.
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Affiliation(s)
- Gianluca Mauri
- Niguarda Cancer Center, Grande Ospedale Metropolitano Niguarda, Dipartimento di Oncologia e Emato-Oncologia, Università degli Studi di Milano (La Statale), Milan, Italy
| | - Andrea Sartore-Bianchi
- Niguarda Cancer Center, Grande Ospedale Metropolitano Niguarda, Dipartimento di Oncologia e Emato-Oncologia, Università degli Studi di Milano (La Statale), Milan, Italy
| | | | - Silvia Marsoni
- Niguarda Cancer Center, Grande Ospedale Metropolitano Niguarda, Dipartimento di Oncologia e Emato-Oncologia, Università degli Studi di Milano (La Statale), Milan, Italy.,FIRC Institute of Molecular Oncology (IFOM), Milan, Italy
| | - Alberto Bardelli
- Department of Oncology, University of Turin, Italy.,Candiolo Cancer Institute - FPO, IRCCS, Turin, Italy
| | - Salvatore Siena
- Niguarda Cancer Center, Grande Ospedale Metropolitano Niguarda, Dipartimento di Oncologia e Emato-Oncologia, Università degli Studi di Milano (La Statale), Milan, Italy
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Campos FGCMDE, Figueiredo MN, Monteiro M, Nahas SC, Cecconello I. Incidence of colorectal cancer in young patients. ACTA ACUST UNITED AC 2018; 44:208-215. [PMID: 28658341 DOI: 10.1590/0100-69912017002004] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2016] [Accepted: 01/06/2017] [Indexed: 12/19/2022]
Abstract
Sporadic colorectal cancer (CRC) is traditionally diagnosed after de sixth decade of life, although a small percentage of cases are diagnosed in patients under 40 years of age, and incidence is increasing. There exists a great volume of controversy regarding clinical outcome of young patients diagnosed with colorectal cancer (CRC) when compared to elder counterparts. Our aims were to evaluate the rate of CRC in young patients, to review the pertaining literature and to discuss outcomes and clinical prognosis. A retrospective review involving patients with CRC was undertaken, focusing on age at diagnosis. The information extracted from this literature review showed a trend towards a decreased incidence in older people with an opposite effect among adolescents and young adults. Moreover, biological aggressiveness in young adults diagnosed with CRC has not been fully recognized, although it is usually diagnosed later and in association with adverse histological features. Besides that, these features don't affect outcome. These apparent increase in CRC incidence among young patients during the last decades raises the need for a greater suspicious when evaluating common symptoms in this group. Thus, educational programs should widespread information for both population and physicians to improve prevention and early diagnosis results.
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Affiliation(s)
- Fábio Guilherme C M DE Campos
- - Colorectal Surgery Division (Gastroenterology Department). Hospital das Clinicas (HC-FMUSP), Faculty of Medicine, São Paulo University of Medical, Sao Paulo State, Brazil
| | - Marleny Novaes Figueiredo
- - Colorectal Surgery Division (Gastroenterology Department). Hospital das Clinicas (HC-FMUSP), Faculty of Medicine, São Paulo University of Medical, Sao Paulo State, Brazil
| | - Mariane Monteiro
- - Colorectal Surgery Division (Gastroenterology Department). Hospital das Clinicas (HC-FMUSP), Faculty of Medicine, São Paulo University of Medical, Sao Paulo State, Brazil
| | - Sérgio Carlos Nahas
- - Colorectal Surgery Division (Gastroenterology Department). Hospital das Clinicas (HC-FMUSP), Faculty of Medicine, São Paulo University of Medical, Sao Paulo State, Brazil
| | - Ivan Cecconello
- - Colorectal Surgery Division (Gastroenterology Department). Hospital das Clinicas (HC-FMUSP), Faculty of Medicine, São Paulo University of Medical, Sao Paulo State, Brazil
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Shen L, Mo M, Jia L, Jia H, Li Q, Liang L, Shi D, Zhang Z, Cai S, Li X, Zhu J. Poorer prognosis in young female patients with non-metastatic colorectal cancer: a hospital-based analysis of 5,047 patients in China. Cancer Manag Res 2018; 10:653-661. [PMID: 29670399 PMCID: PMC5894745 DOI: 10.2147/cmar.s159901] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
Abstract
Purpose To investigate the association of age and sex on survival in non-metastatic colorectal cancer (CRC) patients and to identify groups at high risk for poor outcomes. Materials and methods We performed a retrospective analysis of 5,047 non-metastatic CRC patients from 2008 to 2013. Data regarding age at diagnosis; gender; tumor site; tumor stage; differentiation; lymphatic, neural or vascular invasion; and survival outcomes were collected. Patients were stratified into 10-year age groups (≤35, 36-45, 46-55, 56-65, 66-75, >75) and then further analyzed in three age groups (≤35, 36-75, >75). Disease-free survival (DFS) and overall survival (OS) were evaluated using univariate and multivariate Cox regression models. Results Of the 5,047 eligible patients, 41.3% were female. The tumor stages were balanced between the genders. In the female patients, the tumor stages were similarly distributed among the different age groups, while younger male patients were diagnosed with more advanced disease (P<0.001 for trend). When stratified into three age groups, young females experienced significantly poorer survival than young males (DFS: hazard ratio [HR]=1.85 [1.04-3.30], OS: HR=2.65 [1.11-6.34]). After adjusting for tumor stage, site, differentiated grade and lymphatic or vascular invasion status, females ≤35 and >75 had shorter DFS than patients between 36 and 75 years old (HR=1.57 [1.03-2.38] and HR=1.51 [1.11-2.05, respectively]), while there was no difference in DFS between females ≤35 and those >75. For male patients, older age was associated with poorer OS after the same adjustment. Conclusion Young female CRC patients (≤35 years old) had the poorest DFS and quite poor OS compared to the other age groups. This emphasizes the need for health care providers to have a heightened awareness and to conduct further research when caring for young female CRC patients.
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Affiliation(s)
- Lijun Shen
- Department of Radiation Oncology, Fudan University Shanghai Cancer Center, Shanghai, China.,Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
| | - Miao Mo
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China.,Department of Cancer Prevention, Fudan University Shanghai Cancer Center, Shanghai, China
| | - Leon Jia
- Virginia Commonwealth University, Richmond, VA, USA
| | - Huixun Jia
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China.,Department of Cancer Prevention, Fudan University Shanghai Cancer Center, Shanghai, China
| | - Qingguo Li
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China.,Department of Colorectal Surgery, Fudan University Shanghai Cancer Center, Shanghai, China
| | - Lei Liang
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China.,Department of Colorectal Surgery, Fudan University Shanghai Cancer Center, Shanghai, China
| | - Debing Shi
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China.,Department of Colorectal Surgery, Fudan University Shanghai Cancer Center, Shanghai, China
| | - Zhen Zhang
- Department of Radiation Oncology, Fudan University Shanghai Cancer Center, Shanghai, China.,Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
| | - Sanjun Cai
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China.,Department of Colorectal Surgery, Fudan University Shanghai Cancer Center, Shanghai, China
| | - Xinxiang Li
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China.,Department of Colorectal Surgery, Fudan University Shanghai Cancer Center, Shanghai, China
| | - Ji Zhu
- Department of Radiation Oncology, Fudan University Shanghai Cancer Center, Shanghai, China.,Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
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Chou CL, Tseng CJ, Shiue YL. The impact of young age on the prognosis for colorectal cancer: a population-based study in Taiwan. Jpn J Clin Oncol 2018; 47:1010-1018. [PMID: 29048580 DOI: 10.1093/jjco/hyx110] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2017] [Accepted: 07/13/2017] [Indexed: 12/16/2022] Open
Abstract
Background The impact of age as a prognostic factor for patients with colorectal cancer (CRC) remains controversial, possibly due to heterogeneity between studies in terms of patient numbers, percentage of patients undergoing curative resection, percentage of patients receiving neoadjuvant therapy, or failure to adjust for potential confounding factors. This study used colorectal cancer survival data from the Taiwan Cancer Registry database in order to comprehensively analyze age as a prognostic factor. Methods Survival data were analyzed for 62 060 CRC patients diagnosed with adenocarcinoma, mucinous adenocarcinoma, or signet-ring cell carcinoma of the colon and rectum between 1998 and 2005. The rates of all-cause mortality and CRC-related mortality were determined using Kaplan-Meier analysis, and the log-rank test was used to compare differences in survival between different age groups. The crude and adjusted hazard ratios for all-cause and CRC-related mortalities were calculated according to the estimates from the univariable and multivariable Cox proportional hazard models. Results Patients in the ≤40 and the 41-50 age groups had a higher proportion of mucinous adenocarcinoma (P < 0.001) and signet-ring cell carcinoma (P < 0.001) compared to the older age groups. After adjusting for gender, histology, and tumor site, patients in the ≤40 age group had a poorer overall survival (OS) and cancer-specific survival compared to patients in the 41-50 and 51-60, and 61-70 age groups (P < 0.001), but a better OS and cancer-specific survival compared to patients in the 71-80 and >80 age groups (P < 0.001). Conclusions Our study indicated that age is an important consideration while determining the clinical management of CRC patients.
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Affiliation(s)
- Chia-Lin Chou
- Division of General Surgery, Department of Surgery, Chi-Mei Medical Center, Tainan.,Division of Colon & Rectal Surgery, Department of Surgery, Taipei Veterans General Hospital and National Yang-Ming University, Taipei.,Institute of Biomedical Sciences, National Sun Yat-sen University, Kaohsiung
| | - Chien-Jen Tseng
- Division of General Surgery, Department of Surgery, Chi-Mei Hospital, Chiali, Tainan.,Min-Hwei College of Health Care Management, Tainan, Taiwan
| | - Yow-Ling Shiue
- Institute of Biomedical Sciences, National Sun Yat-sen University, Kaohsiung
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45
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Detection Rate, Anatomic Sites, and Pathologic Types of Colorectal Cancer During Colonoscopy Procedures. Surg Laparosc Endosc Percutan Tech 2017; 27:394-399. [DOI: 10.1097/sle.0000000000000456] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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46
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Zhao L, Bao F, Yan J, Liu H, Li T, Chen H, Li G. Poor prognosis of young patients with colorectal cancer: a retrospective study. Int J Colorectal Dis 2017; 32:1147-1156. [PMID: 28389779 DOI: 10.1007/s00384-017-2809-5] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 03/30/2017] [Indexed: 02/04/2023]
Abstract
PURPOSE The present study aimed to explore the survival outcomes of patients with colorectal cancer (CRC) aged 35 years and younger. METHODS This retrospective cohort study included a total of 995 patients with CRC treated between January 2003 and September 2011. The patients were assorted into the young (aged 18-35 years) and older (aged 36-75 years) groups. The clinical characteristics and survival outcomes of the patients in the young group were compared with those of the patients in the older group for evaluation. RESULTS Compared with the older group, a significantly higher number of patients in the young group had right-sided colon cancer (30.9 vs. 19.6%, P = 0.026), high histologic grade tumor (14.7 vs. 6.4%, P = 0.021), and stage III disease (50.0 vs. 35.5%, P = 0.016). In stage III disease, compared with the older group, the patients in the young group had worse survival outcome in terms of 5-year overall survival (OS, P = 0.007), cancer-specific survival (CSS, P = 0.010), and disease-free survival (DFS, P = 0.039). Multivariate analysis revealed that age ≤35 years was an independent risk factor in terms of 5-year OS (hazard ratio [HR] = 1.68; 95% confidence interval [CI]: 1.12-2.54; P = 0.012), CSS (HR = 1.74; 95% CI: 1.15-2.65; P = 0.009), and DFS (HR = 1.58; 95% CI: 1.06-2.35; P = 0.024). CONCLUSIONS The young patients with CRC aged 35 years and younger had worse prognosis compared with older patients, especially for stage III disease.
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Affiliation(s)
- Liying Zhao
- Department of General Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, People's Republic of China
| | - Feng Bao
- Department of General Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, People's Republic of China.,Department of General Surgery, Mianyang Central Hospital, Mianyang, People's Republic of China
| | - Jun Yan
- Department of General Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, People's Republic of China
| | - Hao Liu
- Department of General Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, People's Republic of China
| | - Tingting Li
- Department of General Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, People's Republic of China
| | - Hao Chen
- Department of General Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, People's Republic of China
| | - Guoxin Li
- Department of General Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, People's Republic of China.
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Campos FG. Colorectal cancer in young adults: A difficult challenge. World J Gastroenterol 2017; 23:5041-5044. [PMID: 28811701 PMCID: PMC5537173 DOI: 10.3748/wjg.v23.i28.5041] [Citation(s) in RCA: 76] [Impact Index Per Article: 10.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/21/2017] [Revised: 06/07/2017] [Accepted: 07/12/2017] [Indexed: 02/06/2023] Open
Abstract
Sporadic colorectal cancer (CRC) is traditionally diagnosed after the sixth decade of life, and current recommendations for surveillance include only patients older than 50 years of age. However, an increasing incidence of CRC in patients less than 40 years of age has been reported. This occurrence has been attributed to different molecular features and low suspicion of CRC in young symptomatic individuals. When confronting young-onset CRC with older patients, issues such as biological aggressiveness, stage at diagnosis and clinical outcomes seem to differ in many aspects. In the future, the identification of the molecular profile underlying the early development of sporadic CRC will help to plan tailored screening recommendations and improve management. Besides that, differential diagnosis with CRC linked with hereditary syndromes is necessary to provide adequate patient treatment and family screening. Until we find the answers to some of these doubts, doctors should raise suspicion when evaluating an young adult and be aware of this risk and consequences of a late diagnosis.
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Rasouli MA, Moradi G, Roshani D, Nikkhoo B, Ghaderi E, Ghaytasi B. Prognostic factors and survival of colorectal cancer in Kurdistan province, Iran: A population-based study (2009-2014). Medicine (Baltimore) 2017; 96:e5941. [PMID: 28178134 PMCID: PMC5312991 DOI: 10.1097/md.0000000000005941] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/28/2016] [Revised: 12/19/2016] [Accepted: 12/27/2016] [Indexed: 01/05/2023] Open
Abstract
Colorectal cancer (CRC) survival varies at individual and geographically level. This population-based study aimed to evaluating various factors affecting the survival rate of CRC patients in Kurdistan province.In a retrospective cohort study, patients diagnosed as CRC were collected through a population-based study from March 1, 2009 to 2014. The data were collected from Kurdistan's Cancer Registry database. Additional information and missing data were collected reference to patients' homes, medical records, and pathology reports. The CRC survival was calculated from the date of diagnosis to the date of cancer-specific death or the end of follow-up (cutoff date: October 2015). Kaplan-Meier method and log-rank test were used for the univariate analysis of survival in various subgroups. The proportional-hazard model Cox was also used in order to consider the effects of different factors on survival including age at diagnosis, place of residence, marital status, occupation, level of education, smoking, economic status, comorbidity, tumor stage, and tumor grade.A total number of 335 patients affected by CRC were assessed and the results showed that 1- and 5-year survival rate were 87% and 33%, respectively. According to the results of Cox's multivariate analysis, the following factors were significantly related to CRC survival: age at diagnosis (≥65 years old) (HR 2.08, 95% CI: 1.17-3.71), single patients (HR 1.62, 95% CI: 1.10-2.40), job (worker) (HR 2.09, 95% CI: 1.22-3.58), educational level: diploma or below (HR 0.61, 95% CI: 0.39-0.92), wealthy economic status (HR 0.51, 95% CI: 0.31-0.82), tumor grade in poorly differentiated (HR 2.25, 95% CI: 1.37-3.69), and undifferentiated/anaplastic grade (HR 2.90, 95% CI: 1.67-4.98).We found that factors such as low education, inappropriate socioeconomic status, and high tumor grade at the time of disease diagnosis were effective in the poor survival of CRC patients in Kurdistan province; this, which need more attention.
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Affiliation(s)
- Mohammad Aziz Rasouli
- Student Research Committee
- Department of Epidemiology and Biostatistics, Faculty of Medicine
| | - Ghobad Moradi
- Social Determinants of Health Research Center
- Department of Epidemiology and Biostatistics, Faculty of Medicine
| | - Daem Roshani
- Social Determinants of Health Research Center
- Department of Epidemiology and Biostatistics, Faculty of Medicine
| | - Bahram Nikkhoo
- Department of Pathology, Faculty of Medicine, Kurdistan University of Medical Sciences, Sanandaj, Iran
| | - Ebrahim Ghaderi
- Social Determinants of Health Research Center
- Department of Epidemiology and Biostatistics, Faculty of Medicine
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Magaji BA, Moy FM, Roslani AC, Law CW. Descriptive epidemiology of colorectal cancer in University Malaya Medical Centre, 2001 to 2010. Asian Pac J Cancer Prev 2017; 15:6059-64. [PMID: 25124558 DOI: 10.7314/apjcp.2014.15.15.6059] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Colorectal cancer is the second most frequent cancer in Malaysia. Nevertheless, there is little information on treatment and outcomes nationally. We aimed to determine the demographic, clinical and treatment characteristics of colorectal cancer patients treated at the University Malaya Medical Centre (UMMC) as part of a larger project on survival and quality of life outcomes. MATERIALS AND METHODS Medical records of 1,212 patients undergoing treatment in UMMC between January 2001 and December 2010 were reviewed. A retrospective-prospective cohort study design was used. Research tools included the National Cancer Patient Registration form. Statistical analysis included means, standard deviations (SD), proportions, chi square, t-test/ ANOVA. P-value significance was set at 0.05. RESULTS The male: female ratio was 1.2:1. The mean age was 62.1 (SD12.4) years. Patients were predominantly Chinese (67%), then Malays (18%), Indians (13%) and others (2%). Malays were younger than Chinese and Indians (mean age 57 versus 62 versus 62 years, p<0.001). More females (56%) had colon cancers compared to males (44%) (p=0.022). Malays (57%) had more rectal cancer compared to Chinese (45%) and Indians (49%) (p=0.004). Dukes' stage data weres available in 67%, with Dukes' C and D accounting for 64%. Stage was not affected by age, gender, ethnicity or tumor site. Treatment modalities included surgery alone (40%), surgery and chemo/radiotherapy 32%, chemo and radiotherapy (8%) and others (20%). CONCLUSIONS Significant ethnic differences in age and site distribution, if verified in population-based settings, would support implementation of preventive measures targeting those with the greatest need, at the right age.
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Affiliation(s)
- Bello Arkilla Magaji
- Julius Centre University of Malaya, Department of Social and Preventive Medicine, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia E-mail : ,
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50
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Patterns of Sociodemographic and Clinicopathologic Characteristics of Stages II and III Colorectal Cancer Patients by Age: Examining Potential Mechanisms of Young-Onset Disease. J Cancer Epidemiol 2017; 2017:4024580. [PMID: 28239395 PMCID: PMC5292385 DOI: 10.1155/2017/4024580] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2016] [Revised: 12/16/2016] [Accepted: 12/28/2016] [Indexed: 01/17/2023] Open
Abstract
Background and Aims. As a first step toward understanding the increasing incidence of colorectal cancer (CRC) in younger (age < 50) populations, we examined demographic, clinicopathologic, and socioeconomic characteristics and treatment receipt in a population-based sample of patients newly diagnosed with stages II and III CRC. Methods. Patients were sampled from the National Cancer Institute's Patterns of Care studies in 1990/91, 1995, 2000, 2005, and 2010 (n = 6, 862). Tumor characteristics and treatment data were obtained through medical record review and physician verification. We compared sociodemographic and clinicopathologic characteristics and treatment patterns of younger (age < 50) and older (age 50–69, age ≥ 70) CRC patients. Results. Younger patients were more likely to be black (13%) and Hispanic (15%) than patients aged 50–69 years (11% and 10%, resp.) and ≥70 years (7% each). A larger proportion of young white (41%) and Hispanic (33%) patients had rectal tumors, whereas tumors in the right colon were the most common in young black patients (39%). The majority of younger patients received chemotherapy and radiation therapy, although receipt of microsatellite instability testing was suboptimal (27%). Conclusion. Characteristics of patients diagnosed with young-onset CRC differ considerably by race/ethnicity, with a higher proportion of black and Hispanic patients diagnosed at the age of < 50 years.
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