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Zhang X, Li M, Chen S, Hu J, Guo Q, Liu R, Zheng H, Jin Z, Yuan Y, Xi Y, Hua B. Endoscopic Screening in Asian Countries Is Associated With Reduced Gastric Cancer Mortality: A Meta-analysis and Systematic Review. Gastroenterology 2018; 155:347-354.e9. [PMID: 29723507 DOI: 10.1053/j.gastro.2018.04.026] [Citation(s) in RCA: 171] [Impact Index Per Article: 28.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/11/2017] [Revised: 04/18/2018] [Accepted: 04/24/2018] [Indexed: 12/13/2022]
Abstract
BACKGROUND & AIMS It is not clear how endoscopic screening for gastric cancer affects incidence or mortality. We performed a systematic review and meta-analysis to evaluate the relationship between endoscopic screening for gastric cancer and mortality and incidence. METHODS We conducted a systematic search of PubMed and EMBASE for published cohort and case-control studies of adults without gastric cancer who underwent endoscopic screening at least once that included a comparator and reported outcomes of mortality or incidence through March 8, 2018. Two investigators independently reviewed the included studies and extracted relevant data. The effect estimate of interest was the relative risk (RR). We used a random effects model to combine RRs and 95% confidence intervals (Cis). RESULTS Our final analysis included 6 cohort studies and 4 nested case-control studies comprising 342,013 individuals, all from Asia. The combined result (RR, 0.60; 95% CI, 0.49-0.73) indicated that endoscopic screening was associated with a 40% RR reduction in gastric cancer mortality. We did not observe an association between endoscopic screening and incidence (RR, 1.14; 95% CI, 0.93-1.40). Subgroup analysis showed significant reductions in gastric cancer mortality after endoscopic screening compared with no screening (RR, 0.58; 95% CI, 0.48-0.70) or radiographic screening (RR, 0.33; 95% CI, 0.12-0.91). However, endoscopic screening did not significantly reduce mortality compared with expected deaths (RR, 0.67; 95% CI, 0.38-1.16). CONCLUSIONS In a systematic review and meta-analysis, we found that endoscopic screening may reduce the risk of death from gastric cancer and not affect incidence in Asian countries. Population-based prospective cohort studies are warranted to confirm our findings.
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Affiliation(s)
- Xing Zhang
- Department of Oncology, Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China; Graduate School, Beijing University of Chinese Medicine, Beijing, China
| | - Meng Li
- Department of Oncology, Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China; Graduate School, Beijing University of Chinese Medicine, Beijing, China
| | - Shuntai Chen
- Department of Oncology, Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China; Graduate School, Beijing University of Chinese Medicine, Beijing, China
| | - Jiaqi Hu
- Department of Oncology, Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China; Graduate School, Beijing University of Chinese Medicine, Beijing, China
| | - Qiujun Guo
- Department of Oncology, Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Rui Liu
- Department of Oncology, Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Honggang Zheng
- Department of Oncology, Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Zhichao Jin
- Department of Oncology, Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Yuan Yuan
- Department of Oncology, Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China; Graduate School, Beijing University of Chinese Medicine, Beijing, China
| | - Yupeng Xi
- Department of Oncology, Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China; Graduate School, Beijing University of Chinese Medicine, Beijing, China
| | - Baojin Hua
- Department of Oncology, Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China.
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Endoscopic submucosal tunnel dissection and endoscopic submucosal dissection for large superficial esophageal squamous cell neoplasm: efficacy and safety study to guide future practice. Surg Endosc 2017; 32:2814-2821. [PMID: 29264756 DOI: 10.1007/s00464-017-5986-y] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2017] [Accepted: 11/13/2017] [Indexed: 12/31/2022]
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Golalipour G, Semnani S, Safaie B, Rajaie S, Sedaghat SM, Kamalinia HR, Aarabi M, Roshandel G. Predictors of survival in oesophageal cancer patients in a high-risk area in Northern Iran: the role of health services utilisation. Eur J Cancer Care (Engl) 2016; 26. [PMID: 27430738 DOI: 10.1111/ecc.12549] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/11/2016] [Indexed: 11/27/2022]
Abstract
We aimed to determine predictors of survival in oesophageal cancer (EC) patients in a high-risk area. This study was conducted on EC patients diagnosed in 2007-2008 in Golestan province, Iran. Diagnostic (DU) and Therapeutic (TU) services utilisation indices were determined. DU and TU indices of 1 were considered as good utilisation. EC-specific survival rates were calculated. Multivariate Cox-regression model was used to calculate adjusted hazard ratios (AHRs). Two hundred and twenty-three EC subjects were enrolled. The median survival time was 10.47 months and the 5-year survival rate was 11%. Cox-regression analysis suggested that stage of tumour (AHRregional = 3.75, 95% confidence interval [CI]: 2.34-6.00; AHRmetastasis = 12.21, 95% CI: 7.42-20.08) and TU (AHR = 1.78, 95% CI: 1.25-2.52) were the strongest variables related to EC survival. The median survival time in patients with good and poor TU were 14.37 and 8.53 months respectively (p < .01). There was no significant relationship between DU and EC survival. We found relatively low survival rates in our EC patients when compared with developed countries. Our results also suggested an increasing trend for EC survival rate during recent years. Good TU could predict higher survival rates. Patients' access to therapeutic services may be considered as an important indicator in decision-making for controlling EC.
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Affiliation(s)
- G Golalipour
- Golestan Research Center of Gastroenterology and Hepatology, Golestan University of Medical Sciences, Gorgan, Iran
| | - S Semnani
- Golestan Research Center of Gastroenterology and Hepatology, Golestan University of Medical Sciences, Gorgan, Iran
| | - B Safaie
- Department of Pathology, Golestan University of Medical Sciences, Gorgan, Iran
| | - S Rajaie
- Department of Surgery, Golestan University of Medical Sciences, Gorgan, Iran
| | - S M Sedaghat
- Department of Health, Golestan University of Medical Sciences, Gorgan, Iran
| | - H R Kamalinia
- Department of Health, Golestan University of Medical Sciences, Gorgan, Iran
| | - M Aarabi
- Health Sciences Research Center, Mazandaran University of Medical Sciences, Sari, Iran
| | - G Roshandel
- Golestan Research Center of Gastroenterology and Hepatology, Golestan University of Medical Sciences, Gorgan, Iran
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Mwachiro MM, Burgert SL, Lando J, Chepkwony R, Bett C, Bosire C, Abnet CC, Githanga J, Waweru W, Giffen CA, Murphy G, White RE, Topazian MD, Dawsey SM. Esophageal Squamous Dysplasia is Common in Asymptomatic Kenyans: A Prospective, Community-Based, Cross-Sectional Study. Am J Gastroenterol 2016; 111:500-7. [PMID: 26902228 PMCID: PMC5753423 DOI: 10.1038/ajg.2016.26] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/29/2015] [Accepted: 01/05/2016] [Indexed: 12/11/2022]
Abstract
OBJECTIVES Esophageal squamous cell carcinoma (ESCC) is endemic in east Africa and is a leading cause of cancer death among Kenyans. The asymptomatic precursor lesion of ESCC is esophageal squamous dysplasia (ESD). We aimed to determine the prevalence of ESD in asymptomatic adult residents of southwestern Kenya. METHODS In this prospective, community-based, cross-sectional study, 305 asymptomatic adult residents completed questionnaires and underwent video endoscopy with Lugol's iodine chromoendoscopy and mucosal biopsy for detection of ESD. RESULTS Study procedures were well tolerated, and there were no adverse events. The overall prevalence of ESD was 14.4% (95% confidence interval (CI): 10-19%), including 11.5% with low-grade dysplasia and 2.9% with high-grade dysplasia. The prevalence of ESD was >20% among men aged >50 years and women aged >60 years. Residence location was significantly associated with ESD (Zone A adjusted odds ratio (OR) 2.37, 95% CI: 1.06-5.30 and Zone B adjusted OR 2.72, 95% CI: 1.12-6.57, compared with Zone C). Iodine chromoendoscopy with biopsy of unstained lesions was more sensitive than white-light endoscopy or random mucosal biopsy for detection of ESD and had 67% sensitivity and 70% specificity. CONCLUSIONS ESD is common among asymptomatic residents of southwestern Kenya and is especially prevalent in persons aged >50 years and those living in particular local regions. Lugol's iodine chromoendoscopy is necessary for detection of most ESD but has only moderate sensitivity and specificity in this setting. Screening for ESD is warranted in this high-risk population, and endoscopic screening of Kenyans is feasible, safe, and acceptable, but more accurate and less invasive screening tests are needed.
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Affiliation(s)
| | | | | | | | | | | | | | - Jessie Githanga
- Department of Pathology, University of Nairobi, Nairobi, Kenya
| | - Wairimu Waweru
- Department of Pathology, University of Nairobi, Nairobi, Kenya
| | - Carol A Giffen
- Information Management Services, Inc, Calverton, MD, USA
| | - Gwen Murphy
- National Cancer Institute, Bethesda, MD, USA
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5
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Zhang YM, Boerwinkel DF, Qin X, He S, Xue L, Weusten BLAM, Dawsey SM, Fleischer DE, Dou LZ, Liu Y, Lu N, Bergman JJGHM, Wang GQ. A randomized trial comparing multiband mucosectomy and cap-assisted endoscopic resection for endoscopic piecemeal resection of early squamous neoplasia of the esophagus. Endoscopy 2016; 48:330-8. [PMID: 26545174 PMCID: PMC5770981 DOI: 10.1055/s-0034-1393358] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
BACKGROUND AND AIM Piecemeal endoscopic resection for esophageal high grade intraepithelial neoplasia (HGIN) or early squamous cell carcinoma (ESCC) is usually performed by cap-assisted endoscopic resection. This requires submucosal lifting and multiple snares. Multiband mucosectomy (MBM) uses a modified variceal band ligator without submucosal lifting. In high-risk areas where ESCC is common and endoscopic expertise is limited, MBM may be a better technique. We aimed to compare MBM to the cap-assisted technique for piecemeal endoscopic resection of esophageal ESCCs. METHODS Patients with mucosal HGIN/ESCC (2 - 6 cm, maximum two-thirds of esophageal circumference) were included. Lesions, delineated by 1.25 % Lugol staining, were randomized to MBM or cap-assisted piecemeal resection. Endpoints were procedure time and costs, complete endoscopic resection, adverse events, and absence of HGIN/ESCC at 3-month and 12-month follow-up. RESULTS Endoscopic resection was performed in 84 patients (59 men, mean age 60) using MBM (n = 42) or the endoscopic resection cap (n = 42). There were no differences in baseline characteristics. Endoscopic complete resection was achieved in all lesions. Procedure time was significantly shorter with MBM (11 vs. 22 minutes, P < 0.0001). One perforation, seen after using the endoscopic resection cap, was treated conservatively. Total costs of disposables were lower for MBM (€200 vs. €251, P = 0.04). At 3-month and 12-month follow-ups none of the patients had HGIN/ESCC at the resection site. CONCLUSION Piecemeal endoscopic resection of esophageal ESCC with MBM is faster and cheaper than with the endoscopic resection cap. Both techniques are highly effective and safe. MBM may have significant advantages over the endoscopic resection cap technique, especially in countries where ESCC is extremely common but limited endoscopic expertise and resources exist. (Netherlands trial register: NTR 3246.).
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Affiliation(s)
- Yue-Ming Zhang
- Endoscopy, Cancer Institute and Hospital, Chinese Academy of Medical Sciences Beijing, PR China
| | - David F Boerwinkel
- Gastroenterology and Hepatology, Academic Medical Centre Amsterdam, the Netherlands
| | - Xiumin Qin
- Endoscopy, Cancer Institute and Hospital, Chinese Academy of Medical Sciences Beijing, PR China
| | - Shun He
- Endoscopy, Cancer Institute and Hospital, Chinese Academy of Medical Sciences Beijing, PR China
| | - Liyan Xue
- Pathology, Cancer Institute and Hospital, Chinese Academy of Medical Sciences Beijing, PR China
| | - Bas LAM Weusten
- Gastroenterology and Hepatology, Academic Medical Centre Amsterdam, the Netherlands,Gastroenterology and Hepatology, St Antonius Hospital Nieuwegein, the Netherlands
| | - Sanford M Dawsey
- Cancer Epidemiology and Genetics, National Cancer Institute, Bethesda MD, USA
| | | | - Li-Zhou Dou
- Endoscopy, Cancer Institute and Hospital, Chinese Academy of Medical Sciences Beijing, PR China
| | - Yong Liu
- Endoscopy, Cancer Institute and Hospital, Chinese Academy of Medical Sciences Beijing, PR China
| | - Ning Lu
- Pathology, Cancer Institute and Hospital, Chinese Academy of Medical Sciences Beijing, PR China
| | - Jacques JGHM Bergman
- Gastroenterology and Hepatology, Academic Medical Centre Amsterdam, the Netherlands
| | - Gui-Qi Wang
- Endoscopy, Cancer Institute and Hospital, Chinese Academy of Medical Sciences Beijing, PR China
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6
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Zeng H, Zheng R, Zhang S, Zuo T, Xia C, Zou X, Chen W. Esophageal cancer statistics in China, 2011: Estimates based on 177 cancer registries. Thorac Cancer 2015; 7:232-7. [PMID: 27042227 PMCID: PMC4773307 DOI: 10.1111/1759-7714.12322] [Citation(s) in RCA: 200] [Impact Index Per Article: 22.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2015] [Accepted: 10/21/2015] [Indexed: 11/28/2022] Open
Abstract
Background Esophageal cancer has been a common cancer in China for many years. Using the most recent data collected from the National Central Cancer Registry, we present estimates of the esophageal cancer burden in China in 2011. Methods Age‐specific incidence and mortality rates by gender and area for 18 age groups were calculated based on data from 177 qualified population‐based cancer registries. The number of new cases of esophageal cancer and cancer deaths were computed by multiplying these rates by the 2011 population. Crude incidence and mortality rates of esophageal cancer were estimated. Results The estimated number of new esophageal cancer cases and deaths were 291 238 and 218 957, respectively. The crude incidence and mortality rates for esophageal cancer were 21.62/100 000 and 16.25/100 000, respectively. The age‐standardized incidence and mortality rates by world population were 15.83/100 000 and 11.62/100 000, respectively. Both the incidence and mortality rates of esophageal cancer were higher in rural areas than in urban areas, and in men than in women. The age‐specific esophageal cancer incidence and mortality rates increased with age. In China, squamous cell cancer was the most common pathological type of the disease. Conclusion Esophageal cancer remains a major public health issue in China. Primary and secondary prevention are essential for disease control.
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Affiliation(s)
- Hongmei Zeng
- National Office for Cancer Prevention and Control Cancer Hospital, Chinese Academy of Medical Sciences Beijing China
| | - Rongshou Zheng
- National Office for Cancer Prevention and Control Cancer Hospital, Chinese Academy of Medical Sciences Beijing China
| | - Siwei Zhang
- National Office for Cancer Prevention and Control Cancer Hospital, Chinese Academy of Medical Sciences Beijing China
| | - Tingting Zuo
- National Office for Cancer Prevention and Control Cancer Hospital, Chinese Academy of Medical Sciences Beijing China
| | - Changfa Xia
- National Office for Cancer Prevention and Control Cancer Hospital, Chinese Academy of Medical Sciences Beijing China
| | - Xiaonong Zou
- National Office for Cancer Prevention and Control Cancer Hospital, Chinese Academy of Medical Sciences Beijing China
| | - Wanqing Chen
- National Office for Cancer Prevention and Control Cancer Hospital, Chinese Academy of Medical Sciences Beijing China
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7
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Yang JS, Wang T, Qiu MQ, Li QL. Comparison of efficacy and toxicity profiles between paclitaxel/lobapoatin- and cisplatin/5-fluorouracil-based concurrent chemoradiotherapy of advanced inoperable oesophageal cancer. Intern Med J 2015; 45:757-61. [PMID: 25851492 DOI: 10.1111/imj.12773] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2014] [Accepted: 03/24/2015] [Indexed: 12/22/2022]
Affiliation(s)
- J-S. Yang
- Department of Medical Oncology; Zaozhuang Municipal Hospital; Zaozhuang China
| | - T. Wang
- Department of Medical Oncology; Zaozhuang Municipal Hospital; Zaozhuang China
| | - M-Q. Qiu
- Department of Medical Oncology; Zaozhuang Municipal Hospital; Zaozhuang China
| | - Q-L. Li
- Department of Medical Oncology; Zaozhuang Municipal Hospital; Zaozhuang China
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Abstract
OBJECTIVE The two major histological types of oesophageal cancer--adenocarcinoma (AC) and squamous cell carcinoma (SCC)--are known to differ greatly in terms of risk factors and epidemiology. To date, global incidence estimates for individual subtypes are still lacking. This study for the first time quantified the global burden of oesophageal cancer by histological subtype. DESIGN Where available, data from Cancer Incidence in Five Continents Vol. X (CI5X) were used to compute, age-specific, sex-specific and country-specific proportions of AC and SCC. Nine regional averages were computed for countries without CI5X data. The proportions were then applied to all oesophageal cancer cases from GLOBOCAN 2012 and age-standardised incidence rates calculated for both histological types. RESULTS Worldwide, an estimated 398,000 SCCs and 52,000 ACs of the oesophagus occurred in 2012, translating to incidence rates of 5.2 and 0.7 per 100,000, respectively. Although SCCs were most common in South-Eastern and Central Asia (79% of the total global SCC cases), the highest burden of AC was found in Northern and Western Europe, Northern America and Oceania (46% of the total global AC cases). Men had substantially higher incidence than women, especially in the case of AC (male to female ratio AC: 4.4; SCC: 2.7). CONCLUSIONS These first global estimates of oesophageal cancer incidence by histology suggested a high concentration of AC in high-income countries with men being at much greater risk. This quantification of incidence will aid health policy makers to plan appropriate cancer control measures in the future.
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Affiliation(s)
- Melina Arnold
- 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
| | - Jacques Ferlay
- Section of Cancer Surveillance, International Agency for Research on Cancer, Lyon, France
| | - David Forman
- Section of Cancer Surveillance, International Agency for Research on Cancer, Lyon, France
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Ma L, Huang X, Wang X, Zhang Y, Liu L, Sheng Y, Fan Z. Study on the diagnosis of rabbit VX2 esophageal cancer and stent-therapy efficacy based on multiphoton microscopy. SCANNING 2015; 37:152-157. [PMID: 25675898 DOI: 10.1002/sca.21192] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/17/2014] [Revised: 12/30/2014] [Accepted: 01/09/2015] [Indexed: 06/04/2023]
Abstract
Histopathology is the gold standard for diagnosis of esophageal carcinoma. Based on two photon excited fluorescence (TPEF) and second harmonic generation (SHG), multiphoton microscopy (MPM) has become a novel optical tool adjunct to current histopathological techniques without any exogenous contrast agents. We thus investigated the potential of using TPEF and SHG techniques for differentiating cancer tissues from cancer tissues after paclitaxel-eluting stent implantation and normal esophageal tissues which are fresh and unstained without dying from the VX2 esophageal carcinoma rabbit models. Comparisons were made between MPM imaging and gold standard sections for each specimen stained with hematoxylin-eosin (H&E). Our results indicated that the MPM imaging technique could identify and distinguish among normal esophageal tissues, cancer tissues, as well as cancer tissues after stent implantation. Therefore, MPM potentially offers a powerful tool to not only diagnose esophageal cancer but also monitor stent-therapy efficacy.
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Affiliation(s)
- Limei Ma
- Medical Center for Digestive Diseases, Second Affiliated Hospital of Nanjing Medical University, Nanjing, China
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10
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Roshandel G, Khoshnia M, Sotoudeh M, Merat S, Etemadi A, Nickmanesh A, Norouzi A, Pourshams A, Poustchi H, Semnani S, Ghasemi-Kebria F, Noorbakhsh R, Abnet C, Dawsey SM, Malekzadeh R. Endoscopic screening for precancerous lesions of the esophagus in a high risk area in Northern Iran. ARCHIVES OF IRANIAN MEDICINE 2015; 17:246-52. [PMID: 24724600 DOI: 014174/aim.006] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
BACKGROUND Esophageal squamous cell carcinoma (ESCC) is a major health problem in many developing countries including Iran. ESCC has a very poor prognosis, largely due to late diagnosis. As a first step in developing an early detection and treatment program, we conducted a population-based endoscopic screening for ESCC and its precursor lesion, esophageal squamous dysplasia (ESD) in asymptomatic adults from Golestan Province, northern Iran, a high-risk area for ESCC, to evaluate the feasibility of such a program and to document the prevalence and risk factor correlates of ESD. METHODS This cross-sectional study was conducted among participants of the Golestan Cohort Study (GCS), a population-based cohort of 50,000 adults in eastern Golestan Province. Randomly selected GCS participants were invited by telephone. Those who accepted were referred to a central endoscopy clinic. Eligible subjects were consented and then asked to fill in a brief questionnaire. Detailed information about selected risk factors was obtained from the GCS main database. Endoscopic examination with Lugol's iodine staining was performed, biopsies were taken from unstained lesions as well as the normally stained mucosa of the esophagus, and the biopsies were diagnosed by expert pathologists according to previously described criteria. RESULTS In total, 1906 GCS subjects were invited, of whom only 302 subjects (15.8%) were successfully enrolled. Esophagitis (29.5%) and ESD (6.0%) were the most common pathological diagnoses. Turkmen ethnicity (adjusted OR = 8.61; 95%CI: 2.48-29.83), being older than the median age (OR = 7.7; 95% CI: 1.99-29.87), and using deep frying cooking methods (OR = 4.65; 95%CI: 1.19-18.22) were the strongest predictors for ESD. There were significant relationships between esophagitis and smoking (p-value<0.001), drinking hot tea (P value = 0.02) and lack of education (P value = 0.004). CONCLUSION We observed a low rate for participation in endoscopic screening. Overall prevalence of ESD was 6.0%. Developing non-endoscopic primary screening methods and screening individuals with one or more risk factors may improve these rates.
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Affiliation(s)
- Gholamreza Roshandel
- 1)Digestive Oncology Research Center, Digestive Disease Research Institute, Shariati Hospital, Tehran University of Medical Sciences, Tehran, Iran. 2)Golestan Research Center of Gastroenterology and Hepatology, Golestan University of Medical Sciences, Gorgan,
| | - Masoud Khoshnia
- Golestan Research Center of Gastroenterology and Hepatology, Golestan University of Medical Sciences, Gorgan, Iran
| | - Masoud Sotoudeh
- Digestive Oncology Research Center, Digestive Disease Research Institute, Shariati Hospital, Tehran University of Medical Sciences, Tehran, Iran
| | - Shahin Merat
- Digestive Oncology Research Center, Digestive Disease Research Institute, Shariati Hospital, Tehran University of Medical Sciences, Tehran, Iran
| | - Arash Etemadi
- 1)Digestive Oncology Research Center, Digestive Disease Research Institute, Shariati Hospital, Tehran University of Medical Sciences, Tehran, Iran. 3)Division of Cancer Epidemiology and Genetics, National Cancer Institute, Bethesda, Maryland, USA
| | - Arash Nickmanesh
- Digestive Oncology Research Center, Digestive Disease Research Institute, Shariati Hospital, Tehran University of Medical Sciences, Tehran, Iran
| | - Alireza Norouzi
- Golestan Research Center of Gastroenterology and Hepatology, Golestan University of Medical Sciences, Gorgan, Iran
| | - Akram Pourshams
- Digestive Oncology Research Center, Digestive Disease Research Institute, Shariati Hospital, Tehran University of Medical Sciences, Tehran, Iran
| | - Hossein Poustchi
- Digestive Oncology Research Center, Digestive Disease Research Institute, Shariati Hospital, Tehran University of Medical Sciences, Tehran, Iran
| | - Shahryar Semnani
- Golestan Research Center of Gastroenterology and Hepatology, Golestan University of Medical Sciences, Gorgan, Iran
| | - Fatemeh Ghasemi-Kebria
- Golestan Research Center of Gastroenterology and Hepatology, Golestan University of Medical Sciences, Gorgan, Iran
| | - Roya Noorbakhsh
- Digestive Oncology Research Center, Digestive Disease Research Institute, Shariati Hospital, Tehran University of Medical Sciences, Tehran, Iran
| | - Christian Abnet
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, Bethesda, Maryland, USA
| | - Sanford M Dawsey
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, Bethesda, Maryland, USA
| | - Reza Malekzadeh
- Digestive Oncology Research Center, Digestive Disease Research Institute, Shariati Hospital, Tehran University of Medical Sciences, Tehran, Iran
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Taylor PR, Abnet CC, Dawsey SM. Squamous dysplasia--the precursor lesion for esophageal squamous cell carcinoma. Cancer Epidemiol Biomarkers Prev 2013; 22:540-52. [PMID: 23549398 PMCID: PMC3681095 DOI: 10.1158/1055-9965.epi-12-1347] [Citation(s) in RCA: 89] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Esophageal squamous cell carcinoma (ESCC) accounts for 80% of all esophageal cancers worldwide, and esophageal squamous dysplasia (ESD) is the only histopathology that predicts the development of ESCC. The prevalence of ESD parallels rates of invasive ESCC and is typically found in 25% or more of adults above the age of 35 years in populations in north central China, where risk for ESCC is among the highest in the world. Results of chemoprevention and early detection studies to prevent progression of ESD suggest that these approaches, coupled with emerging endoscopic therapies, offer promise for the prevention of esophageal cancer mortality in high-risk populations. Future research on ESD and ESCC should focus on finding additional modifiable risk factors and on identifying biomarkers to incorporate into early detection strategies.
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Affiliation(s)
- Philip R Taylor
- National Cancer Institute, NIH, EPS, 6120 Executive Blvd, Rm 7006, Bethesda, MD 20892, USA.
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12
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Zhang Y, Boerwinkel DF, He S, Weusten BLAM, Xue L, Fleischer DE, Lu N, Dawsey SM, Zuo S, Qin X, Dou L, Bergman JJGHM, Wang G. Prospective feasibility study on the use of multiband mucosectomy for endoscopic resection of early squamous neoplasia in the esophagus. Endoscopy 2013; 45:167-73. [PMID: 23258547 PMCID: PMC5757509 DOI: 10.1055/s-0032-1326011] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
BACKGROUND AND STUDY AIMS Endoscopic resection for esophageal squamous high-grade intraepithelial neoplasia (HGIN) or intramucosal cancer (esophageal squamous cell carcinoma [ESCC]) with the endoscopic resection cap technique is technically difficult, and requires submucosal lifting and multiple snares for piecemeal resections. Multiband mucosectomy (MBM) is an easy-to-use endoscopic resection technique and may be the modality of choice in China, where ESCC is extremely prevalent. The aim of the current study was to prospectively evaluate MBM for piecemeal endoscopic resection of squamous neoplasia of the esophagus. METHODS Patients with HGIN/ESCC and no signs of submucosal invasion or metastatic disease were included in the study. Lesions were delineated using electrocoagulation and resected using the MBM technique. Endpoints were procedure time, endoscopic radicality, complications, histology of the endoscopic resection specimens, and absence of HGIN/ESCC at the endoscopic resection scar during follow-up. RESULTS A total of 41 patients (26 male; mean age 61 years) underwent MBM; all lesions were visible with white light endoscopy (median length 5 cm, interquartile range [IQR] 4 - 6 cm; median circumferential extent 42 %, IQR 25 - 50 %). Median procedure time was 12 minutes (IQR 8 - 24 minutes). Median number of resections was 5 (IQR 3 - 6). Endoscopic complete resection was achieved in all lesions. There was one perforation, which was treated by application of clips. No other complications were observed. The worst histology was ESCC (n = 19), HGIN (n = 17), middle grade intraepithelial neoplasia (n = 4), and normal squamous epithelium (n = 1). Endoscopic follow-up at 3 months showed HGIN at the endoscopic resection scar in two patients, which was effectively treated endoscopically, and showed normal squamous epithelium in all patients at final follow-up (median 15 months, IQR 12 - 24 months). CONCLUSION This first prospective study on MBM for piecemeal endoscopic resection of early esophageal squamous neoplasia showed that MBM was effective for the complete removal of lesions with short procedure time, few complications, effective histological assessment of resected specimens, and durable treatment effect.
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Affiliation(s)
- Y. Zhang
- Department of Endoscopy, Cancer Institute and Hospital, Chinese Academy of Medical Sciences, Beijing, China
| | - D. F. Boerwinkel
- Department of Gastroenterology and Hepatology, Academic Medical Centre, Amsterdam, The Netherlands
| | - S. He
- Department of Endoscopy, Cancer Institute and Hospital, Chinese Academy of Medical Sciences, Beijing, China
| | - B. L. A. M. Weusten
- Department of Gastroenterology and Hepatology, Academic Medical Centre, Amsterdam, The Netherlands,Department of Gastroenterology and Hepatology, St Antonius Hospital, Nieuwegein, The Netherlands
| | - L. Xue
- Department of Pathology, Cancer Institute and Hospital, Chinese Academy of Medical Sciences, Beijing, China
| | - D. E. Fleischer
- Department of Gastroenterology and Hepatology, Mayo Clinic, Scottsdale, Arizona, USA
| | - N. Lu
- Department of Pathology, Cancer Institute and Hospital, Chinese Academy of Medical Sciences, Beijing, China
| | - S. M. Dawsey
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, Bethesda, Maryland, USA
| | - S. Zuo
- Department of Pathology, Cancer Institute and Hospital, Chinese Academy of Medical Sciences, Beijing, China
| | - X. Qin
- Department of Endoscopy, Cancer Institute and Hospital, Chinese Academy of Medical Sciences, Beijing, China
| | - L. Dou
- Department of Endoscopy, Cancer Institute and Hospital, Chinese Academy of Medical Sciences, Beijing, China
| | - J. J. G. H. M. Bergman
- Department of Gastroenterology and Hepatology, Academic Medical Centre, Amsterdam, The Netherlands
| | - G. Wang
- Department of Endoscopy, Cancer Institute and Hospital, Chinese Academy of Medical Sciences, Beijing, China
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Yang S, Wu S, Huang Y, Shao Y, Chen XY, Xian L, Zheng J, Wen Y, Chen X, Li H, Yang C. Screening for oesophageal cancer. Cochrane Database Syst Rev 2012; 12:CD007883. [PMID: 23235651 PMCID: PMC11091427 DOI: 10.1002/14651858.cd007883.pub2] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
BACKGROUND Oesophageal cancer is a global heath problem. The prognosis for advanced oesophageal cancer is generally unfavourable, but early-stage asymptomatic oesophageal cancer is basically curable and could achieve better survival rates. The two most commonly used tests are cytologic examination and endoscopy with mucosal iodine staining. The efficacy of the screening tests is controversial, and the true benefit and efficacy of screening remains uncertain because of the potential lead-time and length-time biases. This review was conducted to examine the evidence for the efficacy of screening for oesophageal cancer (squamous cell carcinoma and adenocarcinoma). OBJECTIVES To determine the efficacy of early screening, using endoscopy with iodine staining or cytologic examination, in reducing mortality from oesophageal cancer in asymptomatic individuals from high-risk and general populations. SEARCH METHODS We searched the Cochrane Central Register of Controlled Trials (CENTRAL) (2012, Issue 8), The Cochrane Library (2012, Issue 8), MEDLINE (1950 to August 2012), EMBASE (1980 to August 2012), Allied and Complementary Medicine (AMED) (1985 to August 2012), Chinese Biomedical Database (CBM) (January 1975 to August 2012), VIP Database (January 1989 to August 2012), China National Knowledge Infrastructure (CNKI) (January 1979 to August 2012), and the Internet. We also searched reference lists, conference proceedings, and databases of ongoing trials. There was no restriction on language or publication status in the search for trials. SELECTION CRITERIA We included only randomised controlled trials (RCT) of screening versus no screening for oesophageal cancer. Randomisation of groups or clusters of individuals was acceptable. DATA COLLECTION AND ANALYSIS Two review authors independently scanned the titles and abstracts from the initial search for potential trials for inclusion. We did not find any trials that met the inclusion criteria. MAIN RESULTS The electronic search identified 3482 studies. Two authors independently reviewed the references. The reports of 18 studies were retrieved for further investigation. None met the eligibility criteria for a RCT investigation of the effects of screening versus no screening for oesophageal cancer. AUTHORS' CONCLUSIONS There were no RCTs that determined the efficacy of screening for oesophageal cancer. Non-RCTs showed a high incidence and the reported better survival after screening could be caused by selection bias, lead-time and length-time biases. RCTs are needed to determine the efficacy of screening for oesophageal cancer.
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Affiliation(s)
- Shujuan Yang
- West China School of Public Health, Sichuan University, Chengdu, China.
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Yang J, Wei WQ, Niu J, Liu ZC, Yang CX, Qiao YL. Cost-benefit analysis of esophageal cancer endoscopic screening in high-risk areas of China. World J Gastroenterol 2012; 18:2493-501. [PMID: 22654446 PMCID: PMC3360447 DOI: 10.3748/wjg.v18.i20.2493] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/21/2011] [Revised: 12/02/2011] [Accepted: 04/28/2012] [Indexed: 02/06/2023] Open
Abstract
AIM: To estimate the cost-benefit of endoscopic screening strategies of esophageal cancer (EC) in high-risk areas of China.
METHODS: Markov model-based analyses were conducted to compare the net present values (NPVs) and the benefit-cost ratios (BCRs) of 12 EC endoscopic screening strategies. Strategies varied according to the targeted screening age, screening frequencies, and follow-up intervals. Model parameters were collected from population-based studies in China, published literatures, and surveillance data.
RESULTS: Compared with non-screening outcomes, all strategies with hypothetical 100 000 subjects saved life years. Among five dominant strategies determined by the incremental cost-effectiveness analysis, screening once at age 50 years incurred the lowest NPV (international dollar-I$55 million) and BCR (2.52). Screening six times between 40-70 years at a 5-year interval [i.e., six times(40)f-strategy] yielded the highest NPV (I$99 million) and BCR (3.06). Compared with six times(40)f-strategy, screening thrice between 40-70 years at a 10-year interval resulted in relatively lower NPV, but the same BCR.
CONCLUSION: EC endoscopic screening is cost-beneficial in high-risk areas of China. Policy-makers should consider the cost-benefit, population acceptance, and local economic status when choosing suitable screening strategies.
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Jiang XJ, Song MQ, Xin YN, Gao YQ, Niu ZY, Tian ZB. Endoscopic stenting and concurrent chemoradiotherapy for advanced esophageal cancer: A case-control study. World J Gastroenterol 2012; 18:1404-9. [PMID: 22493556 PMCID: PMC3319969 DOI: 10.3748/wjg.v18.i12.1404] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/28/2011] [Revised: 09/28/2011] [Accepted: 01/18/2012] [Indexed: 02/06/2023] Open
Abstract
AIM: To evaluate the role of endoscopic stenting with or without concurrent 3-dimensional conformal chemoradiotherapy (3D-CRT) in patients with inoperable esophageal cancer.
METHODS: Advanced esophageal cancer patients indicated for esophagectomy received esophageal stents. A part of patients completed 3D-CRT after stenting. Efficacy was assessed by endoscopy and computed tomographic scan before and 4 wk after completion of the treatment. The median survival, 3D-CRT toxicity and complications were compared between 3D-CRT and control groups.
RESULTS: From 1999 to 2008, 99 consecutive patients with T3/T4 disease and unsuitable for esophagectomy were placed with esophageal stents. Sixty-seven patients received 3D-CRT, while 36 patients treated with endoscopic stents alone were recruited as controls. After 3D-CRT treatment, the median tumor volume of 3D-CRT patients were reduced significantly from 43.7 ± 10.2 cm3 to 28.8 ± 8.5 cm3 (P < 0.05). The complete and partial response rate was 85.1%, and no response was 14.9%. After 3D-CRT, the incidence rate of T2 and T3 disease evident on CT scan increased to 78.4% while T4 decreased from 66.7% to 21.6% (P < 0.05). 3D-CRT Karnofsky Performance Status improved in 3D-CRT patients compared with the control group (P = 0.031). 3D-CRT patients had a longer survival than the control group (251.7 d vs 91.1 d, P < 0.05). And the median half-year survival rate in 3D-CRT group (91%) was higher than in the control group (50%, P < 0.05). The most common toxicity was leukocytopenia in the 3D-CRT group (46.7% vs 18.8%, P = 0.008). The control group had a higher rate of restenosis than the 3D-CRT group (81.3% vs 9.0%, P < 0.05). The rate of nephrotoxicity was increased in 3D-CRT as compared with the control group (31.3% vs 15.6%, P < 0.05).
CONCLUSION: 3D-CRT can improve dysphagia in patients with inoperable esophageal carcinoma. 3D-CRT combined with stenting results in better survival as compared with endoscopic stents used alone.
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Outcomes from a prospective trial of endoscopic radiofrequency ablation of early squamous cell neoplasia of the esophagus. Gastrointest Endosc 2011; 74:1181-90. [PMID: 21839994 PMCID: PMC3505032 DOI: 10.1016/j.gie.2011.05.024] [Citation(s) in RCA: 75] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/11/2011] [Accepted: 05/09/2011] [Indexed: 12/13/2022]
Abstract
BACKGROUND Radiofrequency ablation (RFA) is safe and effective for eradicating neoplasia in Barrett's esophagus. OBJECTIVE To evaluate RFA for eradicating early esophageal squamous cell neoplasia (ESCN) defined as moderate-grade squamous intraepithelial neoplasia (MGIN) and high-grade squamous intraepithelial neoplasia (HGIN) and early flat-type esophageal squamous cell carcinoma (ESCC). DESIGN Prospective cohort study. SETTING Tertiary referral center. PATIENTS Esophageal unstained lesions (USLs) were identified using Lugol's chromoendoscopy. Inclusion criteria were at least 1 flat (type 0-IIb) USL 3 cm or larger, USL-bearing esophagus 12 cm or less, and a consensus diagnosis of MGIN, HGIN, or ESCC by 2 expert GI pathologists. Exclusion criteria were previous endoscopic resection or ablation, stricture, or any nonflat mucosa. INTERVENTIONS Circumferential RFA creating a continuous treatment area (TA) including all USLs. At 3-month intervals thereafter, chromoendoscopy with biopsies followed by focal RFA of USLs, if present. MAIN OUTCOME MEASUREMENTS Complete response (CR) at 12 months defined as absence of MGIN, HGIN, or ESCC in the TA, CR after 1 RFA session, neoplastic progression from baseline, and adverse events. RESULTS Twenty-nine patients (14 male, mean age 60.3 years) with MGIN (n = 18), HGIN (n = 10), or ESCC (n = 1) participated. Mean USL length was 6.2 cm (TA 8.2 cm). At 3 months after 1 RFA session, 86% of patients (25/29) had a CR. At 12 months, 97% of patients (28/29) had a CR. There was no neoplastic progression. There were 4 strictures, all dilated to resolution. LIMITATIONS Single-center study with limited number of patients. CONCLUSIONS In patients with early ESCN (MGIN, HGIN, flat-type ESCC), RFA was associated with a high rate of histological complete response (97% of patients), no neoplastic progression, and an acceptable adverse event profile.
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Prevalence and risk factors for esophageal squamous cell cancer and precursor lesions in Anyang, China: a population-based endoscopic survey. Br J Cancer 2010; 103:1085-8. [PMID: 20700119 PMCID: PMC2965859 DOI: 10.1038/sj.bjc.6605843] [Citation(s) in RCA: 46] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023] Open
Abstract
Background: The etiology of esophageal squamous cell cancer (ESCC) in high prevalence regions of China remains unclear. Methods: Endoscopic biopsies were conducted among 7381 inhabitants aged from 25 to 65 of Anyang, China. Results: In this study, 2.57, 0.20 and 0.16% of the participants had mild, moderate and severe squamous dysplasia, respectively; 0.19 and 0.08% showed squamous carcinoma in situ and invasive ESCC. Using deep well (depth >100 meters) as water source (odds ratio=0.72, 95% confidence interval: 0.54–0.96) was negatively associated with ESCC and its precursors, whereas tobacco and alcohol use were not significantly associated with ESCC. Conclusions: Water source and other factors in this region need further evaluation by longitudinal studies.
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Trends in incidence of esophageal and gastric cardia cancer in high-risk areas in China. Eur J Cancer Prev 2008; 17:71-6. [PMID: 18287862 DOI: 10.1097/cej.0b013e3282b6fd97] [Citation(s) in RCA: 65] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Incidence rates have risen for gastric cardia adenocarcinoma, whereas rates have remained stable for esophageal squamous cell carcinoma in many western countries. The aim of this study was to describe and analyze trends in incidence rates for esophageal cancer and gastric cardia cancer in Cixian county, which is one of the high-risk areas for esophageal cancer in China as well as in the world. The data were obtained from the Cixian Cancer Registry, which is a population-based registry. All the data were checked and analyzed using SPSS 11.5. Between the years 1988 and 2003 there were 11,183 cases of esophageal cancer in the county. The age-standardized incidence rate was 168.55 per 100,000. In 1988, the age-standardized incidence rate for male patients was 250.76/100,000; it declined to 160.05/100,000 in 2003, representing a decrease of 36.2%. The age-standardized incidence rate for female patients was 153.86/100,000 in 1988; it declined to 82.55/100,000 in 2003, showing a decrease of 46.3%. A slight decreasing trend was observed during the period, with a yearly decrease of 3.61% in male patients and 3.39% in female patients. For gastric cardia cancer, there were 1654 cases from 1988 to 2003. The age-standardized incidence rate was 25.58 per 100,000. The age-standardized incidence rate for male patients was 13.75/100,000 in 1988; it increased to 28.55/100,000 in 2003, with a yearly increase of 7.65%. The age-standardized incidence rate for female patients was 7.12/100,000 in 1988; it increased to 12.91/100,000, with a yearly increase of 5.44%. A statistically significant increasing trend of gastric cardia cancer was observed during the study period. Cixian county is a geographical region with a very high incidence of esophageal cancer and cardia cancer. The trend in the incidence rates of esophageal cancer had decreased slightly; on the other hand, gastric cardia cancer showed a significantly increased trend in the last 16 years. Detailed epidemiological analyses of demographic trends and risk factors will help to guide future cancer control strategies.
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Shimizu M, Ban S, Odze RD. Squamous dysplasia and other precursor lesions related to esophageal squamous cell carcinoma. Gastroenterol Clin North Am 2007; 36:797-811, v-vi. [PMID: 17996791 DOI: 10.1016/j.gtc.2007.08.005] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Squamous cell carcinoma is the most common tumor of the esophagus worldwide, and it is believed to develop through a sequence of dysplastic precursor lesions, which can be detected both endoscopically and microscopically. There are no published guidelines regarding treatment for dysplasia; however, most authorities recommend increased endoscopic surveillance, with biopsies, for patients with flat low-grade dysplasia and endoscopic mucosal resection, endoscopic submucosal dissection, or esophagectomy for patients with high-grade dysplasia. Future studies are needed to define appropriate endoscopic surveillance frequencies for patients with premalignant lesions of the esophagus. This article discusses squamous dysplasia in detail, which is the most important and well-described risk factor for squamous cell carcinoma of the esophagus.
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Affiliation(s)
- Michio Shimizu
- Department of Pathology, Saitama Medical University International Medical Center, 1397-1 Yamane, Hidaka City, Saitama 350-1298, Japan.
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