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Lavergne C, Youssef A, Niglas M, Humphreys DN, Youssef Y. Outcomes from a single institution cohort of 248 patients with stage I-III esophageal cancer treated with radiotherapy: Comparison of younger and older populations. Tech Innov Patient Support Radiat Oncol 2024; 31:100260. [PMID: 39070540 PMCID: PMC11278076 DOI: 10.1016/j.tipsro.2024.100260] [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: 04/11/2024] [Revised: 06/07/2024] [Accepted: 06/28/2024] [Indexed: 07/30/2024] Open
Abstract
Outcomes for patients receiving radiotherapy (RT) for non-metastatic esophageal cancer at a single institution were assessed, as well as the impact of factors including age and intensity modulated RT (IMRT) planning on patient outcomes. A retrospective cohort of patients treated with RT for stage I-III esophageal cancer between 2010 and 2018 was identified. Among 248 identified patients, 28 % identified as older (≥75 years of age). Other than histology, there were no other statistically significant differences in patient and tumour characteristics between the younger and older populations. Treatments varied between the two age groups, with significantly less older patients completing trimodality treatments (17 % vs 58 %). Median overall survival (M-OS) and progression-free survival (M-PFS) were 20 months and 12 months for all patients and 40 months and 26 months for trimodality patients, respectively. In the older patients, the M-OS improved from 13 months for all to 34 months for trimodality patients; and M-PFS from 10 months to 16 months. On multivariate analysis, the use of trimodality therapy showed improved OS (HR 0.26, p < 0.001). In the non-surgical older patient group, significantly better survival was seen in patients who had a heart V30Gy under 46 %. There was no significant difference in M-OS in patients planned with IMRT compared with 3D-conformal RT. Clinical outcomes in the treatment of esophageal cancer vary significantly by treatment approach, with the most favourable results in those receiving trimodality therapy. Among older patients deemed fit after assessment by the multidisciplinary team for trimodality treatments, the M-OS is comparable to the younger patient group.
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Affiliation(s)
- Carrie Lavergne
- R.S. McLaughlin Durham Regional Cancer Centre, Lakeridge Health Oshawa, Oshawa, Ontario L1G 2B9, Canada
| | - Andrew Youssef
- Institute of Medical Science, University of Toronto, Toronto, Ontario M5S 1A8, Canada
| | - Mark Niglas
- R.S. McLaughlin Durham Regional Cancer Centre, Lakeridge Health Oshawa, Oshawa, Ontario L1G 2B9, Canada
- Queen’s University, Department of Oncology, Kingston, Ontario, Canada
| | - Deanna Ng Humphreys
- R.S. McLaughlin Durham Regional Cancer Centre, Lakeridge Health Oshawa, Oshawa, Ontario L1G 2B9, Canada
| | - Youssef Youssef
- R.S. McLaughlin Durham Regional Cancer Centre, Lakeridge Health Oshawa, Oshawa, Ontario L1G 2B9, Canada
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Beyen TK, Seife E, Gurara AM, McCormack V, Taye G, Addissie A. Spatiotemporal Distribution, Time to Treatment Outcome Clustering and Determinants of Esophageal Cancer in Ethiopia, a Scoping Study. Cancer Control 2024; 31:10732748241251712. [PMID: 38716644 PMCID: PMC11080749 DOI: 10.1177/10732748241251712] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2023] [Revised: 03/12/2024] [Accepted: 04/09/2024] [Indexed: 05/12/2024] Open
Abstract
INTRODUCTION Esophageal cancer was the eighth and sixth leading cause of morbidity of all cancers in the world, and the 15th and 12th in Ethiopia, respectively. There is a lack of comprehensive data regarding Ethiopia's esophageal cancer hotspot, treatment outcome clustering, and other factors. OBJECTIVE This scoping review was designed to understand the extent and type of existing evidence regarding spatiotemporal distribution, time to treatment outcome clustering, and determinants of esophageal cancer in Ethiopia up to March 28, 2023. METHODS Three-step search strategies were employed for the scoping review from March 15 to 28, 2023. Targeted databases included PubMed/Medline, PubMed Central (PMC), Google Scholar, Hinari, and Cochrane for published studies and different websites for unpublished studies for evidence synthesis. Data were extracted using the Joanna Briggs Institute (JBI) manual format. RESULTS Our final analysis comprised 17 (16 quantitative and 1 qualitative) studies. Three studies attempted to depict the country's temporal distribution, whereas 12 studies showed the spatial distribution of esophageal cancer by proportion. The regional state of Oromia recorded a high percentage of cases. Numerous risk factors linked to the tumor have been identified in 8 investigations. Similarly, 5 studies went into detail regarding the likelihood of survival and the factors that contribute to malignancy, while 2 studies covered the results of disease-related treatments. CONCLUSIONS The substantial body of data that underpins this finding supports the fact that esophageal cancer has several risk factors and that its prevalence varies greatly across the country and among regions. Surgery, radiotherapy, or chemotherapy helped the patient live longer. However, no research has investigated which treatment is best for boosting patient survival and survival clustering. Therefore, research with robust models for regional distribution, clustering of time to treatment outcomes, and drivers of esophageal cancer will be needed.
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Affiliation(s)
- Teresa Kisi Beyen
- Department of Public Health, College of Health Science Arsi University, Asella, Ethiopia
- PhD student at School of Public Health, College of Health Science, Addis Ababa University, Addis Ababa, Ethiopia
| | - Edom Seife
- Clinical Oncologist, College of Health Science, Addis Ababa University, Addis Ababa, Ethiopia
| | - Abenet M. Gurara
- Department of Nursing, College of Health Science Arsi University, Asella, Ethiopia
| | - Valerie McCormack
- Environment and Lifestyle Epidemiology, Branch International Agency for Research on Cancer, Lyon, France
| | - Girma Taye
- Department of preventive Medicine, School of Public Health Addis Ababa University, Ethiopia
| | - Adamu Addissie
- Department of preventive Medicine, School of Public Health Addis Ababa University, Ethiopia
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Mazidimoradi A, Amiri S, Khani Y, Allahqoli L, Salehiniya H. Burden of esophageal cancer between 2010 and 2019 in Asian countries by geographical region and sociodemographic index: A comparison with global data. Thorac Cancer 2023; 14:2361-2407. [PMID: 37455657 PMCID: PMC10447175 DOI: 10.1111/1759-7714.15026] [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: 04/26/2023] [Revised: 06/19/2023] [Accepted: 06/20/2023] [Indexed: 07/18/2023] Open
Abstract
BACKGROUND The aim of this study was to describe the trends in incidence, mortality, and burden of esophageal cancer (EC) in Asia from 2010 through 2019 and compare with other global continental data. METHODS We collected EC data from the 2019 Global Burden of Disease study from 2010 to 2019 in 49 countries and territories in Asia based on the sociodemographic index (SDI). For all locations, annual case data and age-standardized rates (ASRs) were extracted to investigate the EC incidence, prevalence, mortality, and disability-adjusted life-years (DALYs). The ASR relative difference (%) between years and the male/female (M/F) ratio were calculated. Data are reported in values and 95% uncertainty interval (UI). RESULTS In 2019, more than 70% of EC new cases, deaths, prevalence, and DALYs occurred in Asian countries. From 2010 to 2019, incidences, deaths, prevalence cases, and DALY number of EC increased over 1.10-, 1.07-, 1.14-, and 1.03-fold, in Asia. During this period, the age-standardized incidence rate (ASIR), age-standardized death rate (ASDR), age-standardized prevalence rate (ASPR), and age-standardized DALYs rate (DALYs ASR) of EC decreased by 18, 21, 14, and 22%, respectively. The rate of decline in Asia is higher than in the world and other continents. In 2019, age-specific incidence, death, prevalence, and DALY cases of EC cancer peaked at 65-74, 70-74, 65-69, and 65-69 years, respectively. In 2019, the highest ASIR, ASDR, ASPR, and DALYs ASR of EC were observed in East Asian countries, while having the highest decreasing trend. In 2019, among high SDI Asian countries, Taiwan had the highest ASIR, ASPR, and DALYs ASR, and the United Arab Emirates had the highest ASDR. Among high-middle SDIs, Kazakhstan had the highest ASIR, ASPR, ASDR, and DALYs ASR; among middle SDIs, China had the highest ASIR, ASDR, and ASPR, and Viet Nam had the highest DALYs ASR; among low-middle SDIs, Mongolia had the highest ASIR, ASDR, ASPR, and DALY ASR of EC cancer. Among low SDI Asian countries, Pakistan had the highest ASIR and ASPR, and DALY ASR for EC cancer. For four indicators, in most countries, the ratio of men was higher than women, and in some countries, this ratio reached more than 10 times. CONCLUSION Although the rate of decline in incidence, death, prevalence and burden of EC in Asia was higher than in other areas in the last 10 years, more than 70% of these amounts occur in Asia. Therefore, it appears that adopting appropriate strategies in the field of identifying and controlling modifiable risk factors for EC, implementing screening programs, and timely diagnosis and treatment will help in reducing the burden of this disease in Asian countries.
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Affiliation(s)
| | - Sanaz Amiri
- Shiraz University of Medical SciencesShirazIran
| | - Yousef Khani
- Clinical Research Development UnitShahid Madani Hospital, Alborz University of Medical SciencesKarajIran
- School of Public Health and SafetyShahid Beheshti University of Medical SciencesTehranIran
| | - Leila Allahqoli
- Midwifery DepartmentMinistry of Health and Medical EducationTehranIran
| | - Hamid Salehiniya
- Department of Epidemiology and BiostatisticsSchool of Health, Social Determinants of Health Research Center, Birjand University of Medical SciencesBirjandIran
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Alkazemi B, Ghazawi FM, Lagacé F, Nechaev V, Zubarev A, Litvinov IV. Investigation of the Incidence and Geographic Distribution of Bone and Soft Tissue Sarcomas in Canada: A National Population-Based Study. Curr Oncol 2023; 30:5631-5651. [PMID: 37366907 DOI: 10.3390/curroncol30060424] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2023] [Revised: 05/29/2023] [Accepted: 05/31/2023] [Indexed: 06/28/2023] Open
Abstract
Sarcomas are a heterogeneous group of mesenchymal malignancies with various genetic and environmental risk factors. This study analyzed the epidemiology of sarcomas to gain insight into the incidence and mortality rates of these cancers in Canada, as well as to elucidate their potential environmental risk factors. Data for this study were obtained from le Registre Québécois du Cancer (LRQC) and from the Canadian Cancer Registry (CCR) for the period from 1992 to 2010. Mortality data were obtained from the Canadian Vital Statistics (CVS) database for the period from 1992 to 2010 using the International Classification of Diseases for Oncology, ICD-O-3, ICD-9, or ICD-10 codes, for all subtypes of sarcomas. We found that the overall sarcoma incidence in Canada decreased during the study period. However, there were select subtypes with increasing incidence. Peripherally located sarcomas were found to have lower mortality rates compared to axially located sarcomas, as expected. Clustering of Kaposi sarcoma cases in self-identified LGBTQ+ communities and in postal codes with a higher proportion of African-Canadian and Hispanic populations was observed. Forward Sortation Area (FSA) postal codes with a lower socioeconomic status also had higher Kaposi sarcoma incidence rates.
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Affiliation(s)
- Badria Alkazemi
- Faculty of Medicine, University of Leeds School of Medicine, Leeds LS2 9JT, UK
| | - Feras M Ghazawi
- Division of Dermatology, University of Ottawa, Ottawa, ON K1H 8M2, Canada
| | - François Lagacé
- Experimental Medicine Training Program, Department of Medicine, McGill University, Montreal, QC H4A 3J1, Canada
| | | | - Andrei Zubarev
- Cancer Research Program, McGill University Health Centre Research Institute, McGill University, Montreal, QC H4A 3J1, Canada
| | - Ivan V Litvinov
- Experimental Medicine Training Program, Department of Medicine, McGill University, Montreal, QC H4A 3J1, Canada
- Cancer Research Program, McGill University Health Centre Research Institute, McGill University, Montreal, QC H4A 3J1, Canada
- Division of Dermatology, Department of Medicine, McGill University, Montreal, QC H4A 3J1, Canada
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Rubenstein JH. Clustering of Esophageal Cancer: Differences by Histology. Gastroenterology 2023; 164:310. [PMID: 36067820 DOI: 10.1053/j.gastro.2022.09.003] [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: 08/31/2022] [Accepted: 09/01/2022] [Indexed: 01/31/2023]
Affiliation(s)
- Joel H Rubenstein
- Center for Clinical Management Research, LTC Charles S. Kettles Veterans Affairs Medical Center, and, Barrett's Esophagus Program, Division of Gastroenterology, and, Cancer Epidemiology and Prevention Program, Rogel Cancer Center, University of Michigan Medical School, Ann Arbor, Michigan
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Schneider IJC, Schmidt TP, dos Santos AMM, Correa VP, Garcia LP, de Oliveira C, Franzoi MA. Overall survival analyses of female malignancies in Southern Brazil during 2008-2017: A closer look at breast, cervical and ovarian cancer. DIALOGUES IN HEALTH 2022; 1:100010. [PMID: 38515875 PMCID: PMC10953987 DOI: 10.1016/j.dialog.2022.100010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/06/2021] [Revised: 04/14/2022] [Accepted: 05/02/2022] [Indexed: 03/23/2024]
Abstract
Background The aim of this study was to report the overall survival and baseline factors associated with OS for breast, cervical and ovarian cancer in Florianópolis, Southern Brazil, a region with quality-of-life indicators comparable to high-income countries. Methods Cohort study was performed from probabilistic record linkage of the Mortality Information System and the Population-based cancer registry of Florianópolis. It was included breasts, cervical and ovarian cancer diagnosis during the period of 2008-2012 with a follow up of 60 months. Cox regression and Kaplan-Meier method were used for associations with overall survival and risk factors. Findings 1857 cases of the three malignancies were included in the analysis. We identified 202 deaths in breast cancer subjects, 53 for cervical cancer and 51 for ovarian cancer. Metastatic disease at diagnosis was present in 31%, 9.6%, and 55% of the cases, respectively. Overall survival was statistically correlated with age, educational level and stage for breast cancer; age and stage for cervical cancer; age and stage for ovarian cancer. Interpretation Metastatic disease and age are the main prognostic factors for the malignancies studied, as they were associated with both overall survival and risk of death. Better screening and preventive tests for early diagnosis are needed. Funding Support of Research and Innovation in the State of Santa Catarina, Research Program for the Unified Health System (FAPESC/MS-DECIT/CNPQ/SES-SC-PPSUS); the Brazilian National Research Council (CNPq); and the Coordination for the Improvement of Higher Education Personnel (CAPES).
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Affiliation(s)
- Ione Jayce Ceola Schneider
- Department of Epidemiology & Public Health, University College London, UK
- Federal University of Santa Catarina (UFSC), Health Sciences Department, Araranguá, Brazil
- Federal University of Santa Catarina (UFSC), Rehabilitation Sciences Post-Graduation Program, Araranguá, Brazil
| | - Tauana Prestes Schmidt
- Federal University of Santa Catarina (UFSC), Health Sciences Department, Araranguá, Brazil
| | | | - Vanessa Pereira Correa
- Federal University of Santa Catarina (UFSC), Rehabilitation Sciences Post-Graduation Program, Araranguá, Brazil
| | | | - Cesar de Oliveira
- Department of Epidemiology & Public Health, University College London, UK
| | - Maria Alice Franzoi
- Institut Jules Bordet, Université Libre de Bruxelles (U.L.B), Belgium
- Latin America Cooperative Oncology Group, Brazil
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Zyla RE, Kalimuthu SN. Barrett’s Esophagus and Esophageal Adenocarcinoma: A Histopathological Perspective. Thorac Surg Clin 2022; 32:413-424. [DOI: 10.1016/j.thorsurg.2022.06.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
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8
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Ramchatesingh B, Martínez Villarreal A, Arcuri D, Lagacé F, Setah SA, Touma F, Al-Badarin F, Litvinov IV. The Use of Retinoids for the Prevention and Treatment of Skin Cancers: An Updated Review. Int J Mol Sci 2022; 23:ijms232012622. [PMID: 36293471 PMCID: PMC9603842 DOI: 10.3390/ijms232012622] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2022] [Revised: 10/12/2022] [Accepted: 10/13/2022] [Indexed: 11/21/2022] Open
Abstract
Retinoids are natural and synthetic vitamin A derivatives that are effective for the prevention and the treatment of non-melanoma skin cancers (NMSC). NMSCs constitute a heterogenous group of non-melanocyte-derived skin cancers that impose substantial burdens on patients and healthcare systems. They include entities such as basal cell carcinoma and cutaneous squamous cell carcinoma (collectively called keratinocyte carcinomas), cutaneous lymphomas and Kaposi’s sarcoma among others. The retinoid signaling pathway plays influential roles in skin physiology and pathology. These compounds regulate diverse biological processes within the skin, including proliferation, differentiation, angiogenesis and immune regulation. Collectively, retinoids can suppress skin carcinogenesis. Both topical and systemic retinoids have been investigated in clinical trials as NMSC prophylactics and treatments. Desirable efficacy and tolerability in clinical trials have prompted health regulatory bodies to approve the use of retinoids for NMSC management. Acceptable off-label uses of these compounds as drugs for skin cancers are also described. This review is a comprehensive outline on the biochemistry of retinoids, their activities in the skin, their effects on cancer cells and their adoption in clinical practice.
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Affiliation(s)
| | | | - Domenico Arcuri
- Faculty of Medicine and Health Sciences, McGill University, Montreal, QC H4A 3J1, Canada
| | - François Lagacé
- Faculty of Medicine and Health Sciences, McGill University, Montreal, QC H4A 3J1, Canada
- Division of Dermatology, McGill University Health Center, Montreal, QC H4A 3J1, Canada
| | - Samy Abu Setah
- Faculty of Medicine and Health Sciences, McGill University, Montreal, QC H4A 3J1, Canada
| | - Fadi Touma
- Faculty of Medicine and Health Sciences, McGill University, Montreal, QC H4A 3J1, Canada
| | - Faris Al-Badarin
- Faculté de Médicine, Université Laval, Québec, QC G1V 0V6, Canada
| | - Ivan V. Litvinov
- Division of Experimental Medicine, McGill University, Montreal, QC H4A 3J1, Canada
- Faculty of Medicine and Health Sciences, McGill University, Montreal, QC H4A 3J1, Canada
- Division of Dermatology, McGill University Health Center, Montreal, QC H4A 3J1, Canada
- Correspondence:
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9
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Conte S, Ghazawi FM, Le M, Nedjar H, Alakel A, Lagacé F, Mukovozov IM, Cyr J, Mourad A, Miller WH, Claveau J, Salopek TG, Netchiporouk E, Gniadecki R, Sasseville D, Rahme E, Litvinov IV. Population-Based Study Detailing Cutaneous Melanoma Incidence and Mortality Trends in Canada. Front Med (Lausanne) 2022; 9:830254. [PMID: 35308490 PMCID: PMC8927870 DOI: 10.3389/fmed.2022.830254] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2021] [Accepted: 01/31/2022] [Indexed: 12/31/2022] Open
Abstract
Background Cutaneous melanoma (CM) is one of the most fatal types of skin cancer. Alarmingly, increases in incidence and mortality were noted globally for this malignancy, despite increase in understanding of melanoma pathogenesis and enhanced prevention efforts. Methods Data was extracted for CM patients for provinces and territories (except Quebec) using two independent, population-based registries. Analysis was performed using both clinical and pathological characteristics: tumor morphologic classification, age, sex, anatomic site affected and place of residence. Mortality trends were assessed over a 7-year period. Results were compared to prior findings for 1992-2010. Results During 2011-2017 39,610 patients were diagnosed with CM, with 5,890 reported deaths. National crude CM incidence was 20.75 (age-standardized incidence: 14.12) cases per 100,000 individuals per year. Females accounted for 45.8% of cases and 37.1% of deaths. While CM incidence rates continue to increase in both sexes, since 2013 the CM mortality is declining. We observed important differences across the provinces/territories, where Nova Scotia, Prince Edward Island, southern Ontario/British Columbia and certain coastal communities of New Brunswick demonstrated higher CM incidence and mortality rates. The observed incidence and mortality trends for 2011-2017 validate and extend earlier observations from 1992 to 2010 for CM. Conclusion This population-based study highlights that while melanoma's incidence is increasing in Canada, mortality rates are for the first time decreasing since 2013. We detail regional distribution of this cancer highlighting communities in southern/coastal areas, as being most at risk as well as the latest trends of melanoma incidence by age, sex and anatomic site. In males, melanoma is more common on the head/trunk, while in females on the extremities. Notably, Acral Lentiginous Melanoma was the only CM subtype that was more common in females, which primarily affects hands and feet.
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Affiliation(s)
- Santina Conte
- Faculty of Medicine, McGill University, Montréal, QC, Canada
| | - Feras M Ghazawi
- Division of Dermatology, University of Ottawa, Ottawa, ON, Canada
| | - Michelle Le
- Division of Dermatology, McGill University, Montréal, QC, Canada
| | - Hacene Nedjar
- Division of Clinical Epidemiology, McGill University, Montréal, QC, Canada
| | - Akram Alakel
- Division of Dermatology, McGill University, Montréal, QC, Canada
| | - François Lagacé
- Division of Dermatology, McGill University, Montréal, QC, Canada
| | - Ilya M Mukovozov
- Department of Dermatology and Skin Science, University of British Columbia, Vancouver, BC, Canada
| | - Janelle Cyr
- Division of Dermatology, University of Toronto, Toronto, ON, Canada
| | - Ahmed Mourad
- Division of Dermatology, University of Calgary, Calgary, AB, Canada
| | - Wilson H Miller
- Department of Medicine and Oncology, McGill University Montreal, Montréal, QC, Canada
| | - Joël Claveau
- Division of Dermatology, Laval University, Quebec City, QC, Canada
| | - Thomas G Salopek
- Division of Dermatology, University of Alberta, Edmonton, AB, Canada
| | | | - Robert Gniadecki
- Division of Dermatology, University of Alberta, Edmonton, AB, Canada
| | - Denis Sasseville
- Division of Dermatology, McGill University, Montréal, QC, Canada
| | - Elham Rahme
- Division of Clinical Epidemiology, McGill University, Montréal, QC, Canada
| | - Ivan V Litvinov
- Division of Dermatology, University of Ottawa, Ottawa, ON, Canada.,Division of Dermatology, McGill University, Montréal, QC, Canada
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10
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Xiao Y, Cattelan L, Lagacé F, Ghazawi FM, Alakel A, Grose E, Le M, Nechaev V, Sasseville D, Waschke K, Litvinov IV. Epidemiologic trends and geographic distribution of patients with gallbladder and extrahepatic biliary tract cancers in Canada. HPB (Oxford) 2021; 23:1541-1549. [PMID: 33863655 DOI: 10.1016/j.hpb.2021.03.007] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/16/2020] [Revised: 02/20/2021] [Accepted: 03/07/2021] [Indexed: 12/12/2022]
Abstract
BACKGROUND Gallbladder and biliary tract cancers are rare malignancies that carry a poor prognosis. Research on their epidemiologic trends is scarce. METHODS We performed a retrospective analysis of the data in Canada using population-based cancer registries from 1992 to 2010. The incidence and mortality of gallbladder and extrahepatic bile duct cancers were examined at the levels of provinces/territories, cities, and Forward Sortation Area (FSA) postal codes. RESULTS The incidence and mortality rates decreased over the study period. The average national incidence rate of gallbladder and biliary tract cancers was 30.92 cases per million individuals per year. Higher than average incidence rates were observed in Manitoba, Saskatchewan and Québec; there were contiguous regions with high incidence in Saskatchewan and Manitoba that suggest an area of putative case clustering. Higher incidence of gallbladder cancer was observed in women, whereas higher incidence of extrahepatic bile duct cancers was noted in men. Lower socioeconomic status and Hispanic race were found to be risk factors for gallbladder and biliary tract cancers. CONCLUSION This is the first study to analyze the burden of gallbladder and biliary tract cancers in Canada. The geographic clustering trends present new avenues for research on environmental triggers.
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Affiliation(s)
- Yasi Xiao
- Division of Internal Medicine, McGill University, Montréal, Québec, Canada; Department of Medicine, McGill University, Montréal, Québec, Canada
| | - Leila Cattelan
- Department of Medicine, McGill University, Montréal, Québec, Canada; Division of Dermatology, McGill University, Montréal, Québec, Canada
| | - Francois Lagacé
- Department of Medicine, McGill University, Montréal, Québec, Canada; Division of Dermatology, McGill University, Montréal, Québec, Canada
| | - Feras M Ghazawi
- Division of Dermatology, University of Ottawa, Ottawa, Ontario, Canada; Department of Medicine, University of Ottawa, Ottawa, Ontario, Canada
| | - Akram Alakel
- Division of Dermatology, McGill University, Montréal, Québec, Canada
| | - Elysia Grose
- Department of Medicine, University of Ottawa, Ottawa, Ontario, Canada
| | - Michelle Le
- Department of Medicine, McGill University, Montréal, Québec, Canada; Division of Dermatology, McGill University, Montréal, Québec, Canada
| | | | - Denis Sasseville
- Division of Dermatology, McGill University, Montréal, Québec, Canada
| | - Kevin Waschke
- Department of Medicine, McGill University, Montréal, Québec, Canada; Division of Gastroenterology, McGill University, Montréal, Québec, Canada.
| | - Ivan V Litvinov
- Department of Medicine, McGill University, Montréal, Québec, Canada; Department of Medicine, University of Ottawa, Ottawa, Ontario, Canada.
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11
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Cattelan L, Ghazawi FM, Le M, Lagacé F, Rahme E, Zubarev A, Sasseville D, Litvinov IV, Waschke KA, Netchiporouk E. Geographic and Socioeconomic Disparity of Gastric Cancer Patients in Canada. ACTA ACUST UNITED AC 2021; 28:2052-2064. [PMID: 34071354 PMCID: PMC8161777 DOI: 10.3390/curroncol28030190] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2021] [Revised: 05/11/2021] [Accepted: 05/18/2021] [Indexed: 12/28/2022]
Abstract
Gastric cancer is the 5th most common malignancy worldwide, representing ~5–10% of all new cancer cases. Although its incidence is declining, it is estimated that 1 in 98 Canadians will develop gastric cancer in their lifetime. The epidemiology and distribution of gastric cancer throughout Canada, however, remains poorly understood. A retrospective analysis of demographic data across Canada between 1992 and 2010 was performed using 2 population-based cancer registries. The incidence of gastric cancer was examined at the levels of provinces, cities, and postal codes. In addition, 43,955 patients were diagnosed with gastric cancer in Canada between 1992 and 2010; 66% were male and the average age of diagnosis was 68.4 years. The age-adjusted incidence rate was 5.07 cases per 100,000 individuals per year. The incidence decreased over the study period by 30%. High incidence rates were identified in rural areas of Newfoundland and Labrador, New Brunswick, and Quebec. Our study found a significant association between gastric cancer incidence rates and lower socioeconomic status, as well as Hispanic ethnicity. This is the first study to provide a comprehensive analysis of the incidence of gastric carcinoma in Canada, identifying high-risk populations that may benefit from increased primary and secondary prevention.
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Affiliation(s)
- Leila Cattelan
- Division of Dermatology, McGill University, Montreal, QC H4A 3J1, Canada; (L.C.); (M.L.); (F.L.); (A.Z.); (D.S.); (I.V.L.)
| | - Feras M. Ghazawi
- Division of Dermatology, University of Ottawa, Ottawa, ON K1N 6N5, Canada;
| | - Michelle Le
- Division of Dermatology, McGill University, Montreal, QC H4A 3J1, Canada; (L.C.); (M.L.); (F.L.); (A.Z.); (D.S.); (I.V.L.)
| | - François Lagacé
- Division of Dermatology, McGill University, Montreal, QC H4A 3J1, Canada; (L.C.); (M.L.); (F.L.); (A.Z.); (D.S.); (I.V.L.)
| | - Elham Rahme
- Division of Clinical Epidemiology, McGill University, Montreal, QC H4A 3J1, Canada;
| | - Andrei Zubarev
- Division of Dermatology, McGill University, Montreal, QC H4A 3J1, Canada; (L.C.); (M.L.); (F.L.); (A.Z.); (D.S.); (I.V.L.)
| | - Denis Sasseville
- Division of Dermatology, McGill University, Montreal, QC H4A 3J1, Canada; (L.C.); (M.L.); (F.L.); (A.Z.); (D.S.); (I.V.L.)
| | - Ivan V. Litvinov
- Division of Dermatology, McGill University, Montreal, QC H4A 3J1, Canada; (L.C.); (M.L.); (F.L.); (A.Z.); (D.S.); (I.V.L.)
| | - Kevin A. Waschke
- Division of Gastroenterology, McGill University, Montreal, QC H4A 3J1, Canada;
| | - Elena Netchiporouk
- Division of Dermatology, McGill University, Montreal, QC H4A 3J1, Canada; (L.C.); (M.L.); (F.L.); (A.Z.); (D.S.); (I.V.L.)
- Correspondence:
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12
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Li P, Jing J, Guo W, Guo X, Hu W, Qi X, Wei WQ, Zhuang G. The associations of air pollution and socioeconomic factors with esophageal cancer in China based on a spatiotemporal analysis. ENVIRONMENTAL RESEARCH 2021; 196:110415. [PMID: 33159927 DOI: 10.1016/j.envres.2020.110415] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/19/2020] [Revised: 10/21/2020] [Accepted: 10/28/2020] [Indexed: 06/11/2023]
Abstract
Rapid urbanization and industrialization in China have incurred serious air pollution and consequent health concerns. In this study, we examined the modifying effects of urbanization and socioeconomic factors on the association between PM2.5 and incidence of esophageal cancer (EC) in 2000-2015 using spatiotemporal techniques and a quasi-Poisson generalized linear model. The results showed a downward trend of EC and high-risk areas aggregated in North China and Huai River Basin. In addition, a stronger association between PM2.5 and incidence was observed in low urbanization group, and the association was stronger for females than males. When exposure time-windows were adjusted as 0, 5, 10, 15 years, the incidence risk increased by 2.48% (95% CI: 2.23%, 2.73%), 2.20% (95% CI: 1.91%, 2.49%), 2.18% (95% CI%: 1.92%, 2.43%), 1.87% (95% CI%:1.64, 2.10%) for males, respectively and 4.03% (95% CI: 3.63%, 4.43%), 2.20% (95% CI: 1.91%, 2.49%), 3.97% (95% CI: 3.54%, 4.41%), 3.06% (95% CI: 2.71%, 3.41%) for females, respectively. The findings indicated people in low urbanization group faced with a stronger EC risk caused by PM2.5, which contributes to a more comprehensive understanding of combating EC challenges related to PM2.5 pollution.
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Affiliation(s)
- Peng Li
- Department of Epidemiology and Biostatistics, School of Public Health, Xi'an Jiaotong University Health Science Center, Xi'an, Shaanxi, China
| | - Jing Jing
- College of Geography and Environment, Baoji University of Arts and Sciences, Baoji, Shaanxi, China
| | - Wenwen Guo
- Department of Epidemiology and Biostatistics, School of Public Health, Xi'an Jiaotong University Health Science Center, Xi'an, Shaanxi, China
| | - Xiya Guo
- Department of Epidemiology and Biostatistics, School of Public Health, Xi'an Jiaotong University Health Science Center, Xi'an, Shaanxi, China
| | - Wenbiao Hu
- School of Public Health and Social Work, Queensland University of Technology, Brisbane, Australia
| | - Xin Qi
- Department of Epidemiology and Biostatistics, School of Public Health, Xi'an Jiaotong University Health Science Center, Xi'an, Shaanxi, China.
| | - Wen-Qiang Wei
- National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China.
| | - Guihua Zhuang
- Department of Epidemiology and Biostatistics, School of Public Health, Xi'an Jiaotong University Health Science Center, Xi'an, Shaanxi, China.
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Deybasso HA, Roba KT, Nega B, Belachew T. Clinico-Pathological Findings and Spatial Distributions of Esophageal Cancer in Arsi Zone, Oromia, Central Ethiopia. Cancer Manag Res 2021; 13:2755-2762. [PMID: 33790649 PMCID: PMC8001180 DOI: 10.2147/cmar.s301978] [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: 01/22/2021] [Accepted: 03/12/2021] [Indexed: 12/14/2022] Open
Abstract
PURPOSE Arsi Zone is one of the esophageal cancer endemic areas and is reported to have a high incidence of esophageal cancer in Ethiopia. This study assessed clinicopathological patterns and spatial distributions of esophageal cancer in Arsi Zone, Oromia, Central Ethiopia. METHODS A cross-sectional study design was carried out by abstracting data of 403 patients treated from January 2015 to January 2019. Data were collected by using a structured data collection form and Geographical Positioning System software. The collected data were summarized in the form of tables, figures, means, and standard deviations. Statistical data analysis was done using SPSS software version 21.0 while geospatial analysis was conducted using the Arc-GIS 10.1 software. RESULTS The disease was prominent among individuals aged 50 to 59 years. The mean age of females and males was 52.2 (SD±10.41) and 56.94 (SD ±12.27) years respectively. The vast majority (98.3%) of cases had squamous cell carcinoma. Dysphagia with weight loss accounted for 87.6% of the presenting symptoms. A large proportion (42.9%) of patients had a tumor located at the lower thorax. The majority (62%) of patients were from the eastern and north-eastern parts of the Arsi zone. CONCLUSION Dysphagia with weight loss was the major symptom during the first visit. Squamous cell carcinoma was the predominant histopathological type. Eastern and the northeastern parts of the Zone are the most affected regions. Future studies should focus on the determinants of esophageal cancer and precise areas with high incidences by using the population and/or facility-based cancer registry systems.
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Affiliation(s)
- Haji Aman Deybasso
- Jimma University, Department of Human Nutrition and Dietetics, Jimma, Ethiopia
| | - Kedir Teji Roba
- Haramaya University, College of Health and Medical Sciences, Harar, Ethiopia
| | - Berhanu Nega
- Addis Ababa University, College of medicine and health sciences, Addis Ababa, Ethiopia
| | - Tefera Belachew
- Jimma University, Department of Human Nutrition and Dietetics, Jimma, Ethiopia
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14
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Incidence and Mortality of Prostate Cancer in Canada during 1992-2010. ACTA ACUST UNITED AC 2021; 28:978-990. [PMID: 33617514 PMCID: PMC7985768 DOI: 10.3390/curroncol28010096] [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: 11/27/2020] [Revised: 02/04/2021] [Accepted: 02/14/2021] [Indexed: 12/11/2022]
Abstract
In Canada, prostate cancer is the most common reportable malignancy in men. We assessed the temporal trends of prostate cancer to gain insight into the geographic incidence and mortality trends of this disease. Three independent population-based cancer registries were used to retrospectively analyze demographic data on Canadian men diagnosed with prostate cancer and men who died of prostate cancer between the years of 1992 and 2010. The incidence and mortality rates were calculated at the provincial, city, and forward sortation area (FSA) postal code levels by using population counts that were obtained from the Canadian Census of Population. The Canadian average incidence rate was 113.57 cases per 100,000 males. There has been an overall increasing trend in crude prostate cancer incidence between 1992 and 2010 with three peaks, in 1993, 2001, and 2007. However, age-adjusted incidence rates showed no significant increase over time. The national mortality rate was calculated to be 24.13 deaths per 100,000 males per year. A decrease was noted in crude and age-adjusted mortality rates between 1992 and 2010. Several provinces, cities, and FSAs had higher incidence/mortality rates than the national average. Several of the FSA postal codes with the highest incidence/mortality rates were adjacent to one another. Several Canadian regions of high incidence for prostate cancer have been identified through this study and temporal trends are consistent with those reported in the literature. These results will serve as a foundation for future studies that will seek to identify new regional risk factors and etiologic agents.
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15
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Andalib A, Bouchard P, Demyttenaere S, Ferri LE, Court O. Esophageal cancer after sleeve gastrectomy: a population-based comparative cohort study. Surg Obes Relat Dis 2020; 17:879-887. [PMID: 33547014 DOI: 10.1016/j.soard.2020.12.011] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2020] [Revised: 12/11/2020] [Accepted: 12/21/2020] [Indexed: 02/06/2023]
Abstract
BACKGROUND Sleeve gastrectomy (SG) is the most common bariatric surgery; however, this approach may induce gastroesophageal reflux disease (GERD). Both obesity and GERD are independent risk factors for esophageal cancer, however the impact of SG on risk of esophageal cancer remains unknown. OBJECTIVE To evaluate the risk of esophageal cancer after reflux-prone bariatric surgery. SETTING Population-level, provincial administrative healthcare database, Quebec, Canada. METHODS We identified a population-based cohort of all patients with obesity who underwent reflux-prone surgery (SG and duodenal switch [DS]) or reflux-protective Roux-en-Y gastric bypass (RYGB) during 01/2006-12/2012 in Quebec, Canada. For every surgical patient, 2-3 nonsurgical controls with obesity matched for age, sex, and geography were also identified. Crude incidence rate ratios (IRRs) for esophageal cancer were calculated using person-time analysis. Hazard ratios (HRs) were obtained using multivariate cox regression. RESULTS A total of 4121 patients had reflux-prone procedures and 852 underwent RYGB. At a mean follow-up of 7.6 years, 8 cases of esophageal cancer were identified after bariatric surgery. Compared with RYGB, IRR for esophageal cancer in reflux-prone group was 1.45 (95%CI: .19-65.5) and HR = .83 (95%CI: .10-7.27). The crude incidence rate of esophageal cancer in the reflux-prone group was higher than that of nonsurgical controls (n = 12,159; IRR = 3.46, 95%CI: 1.00-12.5), but after adjustment the difference disappeared (HR = 2.47, 95%CI: .82-7.45). CONCLUSIONS Long-term incidence of esophageal cancer after reflux-prone bariatric surgery is not greater than RYGB. While crude incidence of esophageal cancer after reflux-prone surgery is higher than in nonsurgical patients with obesity, such difference disappears after accounting for confounders. Given the low incidence of esophageal cancer and slow progression of dysplastic Barrett esophagus, studies with longer follow-up are needed.
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Affiliation(s)
- Amin Andalib
- Center for Bariatric Surgery, Department of Surgery, McGill University, Montreal, Canada.
| | - Philippe Bouchard
- Center for Bariatric Surgery, Department of Surgery, McGill University, Montreal, Canada
| | - Sebastian Demyttenaere
- Center for Bariatric Surgery, Department of Surgery, McGill University, Montreal, Canada
| | - Lorenzo E Ferri
- Division of Thoracic Surgery, Department of Surgery, McGill University, Montreal, Canada
| | - Olivier Court
- Center for Bariatric Surgery, Department of Surgery, McGill University, Montreal, Canada
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16
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Xi Y, Dong W, Qiao L, Han K, Chen W, Wang W. Trends in incidence and mortality of esophageal cancer in Inner Mongolia, 2010-2015. Thorac Cancer 2020; 11:2440-2448. [PMID: 32716130 PMCID: PMC7471038 DOI: 10.1111/1759-7714.13552] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2020] [Revised: 06/02/2020] [Accepted: 06/05/2020] [Indexed: 12/24/2022] Open
Abstract
Background Esophageal cancer is among the leading cancer types in Inner Mongolia. This study aimed to investigate the incidence and mortality rates of esophageal cancer in 2015 and the trends in these rates in the 2010–2015 period in this region. Methods National Colorectal Cancer Roundtable (NCCR) screening methods and criteria were used to extract data from 10 cancer registries stratified by area (urban/rural), sex, and age group. The Chinese standard population in 2000 and Segi's world population were used to calculate age‐standardized rates. The annual percentage change (APC) in these rates was calculated using the Joinpoint Regression Program. Results In 2015, Inner Mongolia had 4324 new cases (4027 male vs. 297 female patients) and 3559 deaths (3300 male vs. 259 female patients) from esophageal cancer. The crude incidence, age‐standardized incidence by Chinese population, age‐standardized incidence by world population, and cumulative incidence were 13.45/100 000, 9.92/100 000, 10.18/100 000, and 1.30%, respectively. The corresponding figures for mortality were 11.32/100 000, 8.35/100 000, 8.53/100 000, and 1.04%. The incidence and mortality increased with age between 40 and 80 years. The rates in rural dwellers, especially men, showed negative APC (−13.25% vs. −11.08%; P < 0.05). Conclusions The incidence and mortality rates of esophageal cancer in Inner Mongolia increased between 2010 and 2015. The rates were higher in men in rural areas, middle‐aged and elderly individuals. Prevention and control programs focused on these groups, in addition to early diagnosis and treatment of esophageal cancer, are needed to reduce these rates. Key points Significant findings of the study: In Inner Mongolia, incidence and mortality rates of esophageal cancer were higher in urban areas than in rural areas and in men than in women between 2010 and 2015, and in middle‐aged and elderly than in younger people. What this study adds: Prevention and control programs, in addition to early diagnosis and treatment of esophageal cancer, should be tailored to specifically target men in rural areas and middle‐aged and elderly individuals in order to reduce the incidence and mortality rates of this pathology.
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Affiliation(s)
- Yunfeng Xi
- The Inner Mongolia Autonomous Region Comprehensive Center for Disease Control and Prevention, Hohhot, China
| | | | - Liying Qiao
- The Inner Mongolia Autonomous Region Comprehensive Center for Disease Control and Prevention, Hohhot, China
| | - Ke Han
- The Inner Mongolia Autonomous Region Comprehensive Center for Disease Control and Prevention, Hohhot, China
| | - Wenjie Chen
- The Inner Mongolia Autonomous Region Comprehensive Center for Disease Control and Prevention, Hohhot, China
| | - Wenrui Wang
- The Inner Mongolia Autonomous Region Comprehensive Center for Disease Control and Prevention, Hohhot, China
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17
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Cattelan L, Ghazawi FM, Le M, Savin E, Zubarev A, Lagacé F, Sasseville D, Waschke K, Litvinov IV. Investigating epidemiologic trends and the geographic distribution of patients with anal squamous cell carcinoma throughout Canada. Curr Oncol 2020; 27:e294-e306. [PMID: 32669936 PMCID: PMC7339845 DOI: 10.3747/co.27.6061] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Abstract
Background Anal cancer is a rare disease, constituting 0.5% of new cancer cases in the United States. The most common subtype is squamous cell carcinoma (scc). Studies in several developed nations have reported on an increasing incidence of anal cancer in recent decades, and various risk factors pertaining to the pathogenesis of the disease have been identified, including infection with the human papillomavirus, tobacco use, and immunosuppression. The epidemiology and distribution of anal scc throughout Canada remain poorly understood, however. Methods Using 3 population-based cancer registries, a retrospective analysis of demographic data across Canada for 1992-2010 was performed. The incidence and mortality for anal scc was examined at the levels of provinces, cities, and the forward sortation area (FSA) component (first 3 characters) of postal codes. Results During 1992-2010, 3720 individuals were diagnosed with anal scc in Canada; 64% were women. The overall national incidence rate was 6.3 cases per million population per year, with an average age at diagnosis of 60.4 years. The incidence increased over time, with significantly higher incidence rates documented in British Columbia and Nova Scotia (9.3 cases per million population each). Closer examination revealed clustering of cases in various urban centres and self-identified lgbtq communities in Toronto, Montreal, and Vancouver. Discussion This study provides, for the first time, a comprehensive analysis of the burden of anal scc in Canada, identifying susceptible populations and shedding light onto novel avenues of research to lower the incidence of anal cancer throughout the country.
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Affiliation(s)
- L Cattelan
- Department of Medicine, McGill University, Montreal, QC
| | - F M Ghazawi
- Division of Dermatology, University of Ottawa, Ottawa, ON
| | - M Le
- Division of Dermatology, McGill University, Montreal, QC
| | - E Savin
- Division of Dermatology, McGill University, Montreal, QC
| | - A Zubarev
- Division of Dermatology, McGill University, Montreal, QC
| | - F Lagacé
- Department of Medicine, McGill University, Montreal, QC
| | - D Sasseville
- Division of Dermatology, McGill University, Montreal, QC
| | - K Waschke
- Division of Gastroenterology, McGill University, Montreal, QC
| | - I V Litvinov
- Division of Dermatology, McGill University, Montreal, QC
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18
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Ghazawi FM, Lu J, Savin E, Zubarev A, Chauvin P, Sasseville D, Zeitouni A, Litvinov IV. Epidemiology and Patient Distribution of Oral Cavity and Oropharyngeal SCC in Canada. J Cutan Med Surg 2020; 24:340-349. [PMID: 32238063 DOI: 10.1177/1203475420915448] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
BACKGROUND Oral cavity cancers (OCCs) and oropharyngeal cancers (OPCs) continue to be a major source of morbidity and mortality worldwide requiring the shared effort of numerous specialists. Tobacco and alcohol consumption have long been identified as risk factors for both OCC and OPC. In addition, human papilloma virus (HPV) is gaining its position as the main causal agent for OPC. OBJECTIVE The objective of this study is to analyze the epidemiology of OCC and OPC in Canada. METHODS Data pertaining to the year of diagnosis, the patient's sex, age at the time of diagnosis, province/territory, city and postal code of oral cavity, and oropharyngeal malignancies diagnosed during 1992-2010 were extracted from the Canadian Cancer Registry and Le Registre Québécois du Cancer. RESULTS In total, 21 685 OCC cases and 15 965 OPC cases were identified from 1992 to 2010. Of those, 84.97% were oral cavity squamous cell carcinomas (SCCs), 88.10% were oropharyngeal SCCs, and both had a significant male predominance. While oral cavity SCC incidence stabilized over the study period, oropharyngeal SCC continued to increase. Oral cavity SCC incidence increased with age, while oropharyngeal SCC incidence peaked in the 50- to 59-year age group. Detailed geographic distribution analysis of patients at the provincial/territorial, city, and postal code levels identified several patient clusters. CONCLUSIONS This work highlights important epidemiological differences in trends between oral and oropharyngeal cancers, identifies high-incidence postal codes for each malignancy, and correlates incidence/mortality with known risk factors including alcohol/tobacco use and HPV infections, therefore providing a comprehensive understanding of epidemiology for these cancers in Canada.
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Affiliation(s)
| | - Jessica Lu
- 507266 Faculty of Medicine, McGill University, Montreal, QC, Canada
| | - Evgeny Savin
- 5620 Division of Dermatology, McGill University, Montreal, QC, Canada
| | - Andrei Zubarev
- 5620 Division of Dermatology, McGill University, Montreal, QC, Canada
| | - Peter Chauvin
- 507266 Faculty of Dentistry, McGill University, Montreal, QC, Canada
| | - Denis Sasseville
- 5620 Division of Dermatology, McGill University, Montreal, QC, Canada
| | - Anthony Zeitouni
- 507266 Department of Otolaryngology-Head and Neck Surgery, McGill University, Montreal, QC, Canada
| | - Ivan V Litvinov
- 5620 Division of Dermatology, McGill University, Montreal, QC, Canada
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19
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Darwich R, Ghazawi FM, Le M, Rahme E, Alghazawi N, Zubarev A, Moreau L, Sasseville D, Burnier MN, Litvinov IV. Epidemiology of invasive ocular surface squamous neoplasia in Canada during 1992-2010. Br J Ophthalmol 2020; 104:1368-1372. [PMID: 31949098 DOI: 10.1136/bjophthalmol-2019-314650] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2019] [Revised: 12/03/2019] [Accepted: 12/27/2019] [Indexed: 12/12/2022]
Abstract
BACKGROUND Ocular surface squamous neoplasia (OSSN) is the most common non-pigmented ocular surface malignancy. It is classified as invasive OSNN (IOSSN) when the underlying stroma are infiltrated by dysplastic squamous epithelial cells through the basement membrane. Here, we present the descriptive epidemiology and geographical distribution of IOSSN in Canada. METHODS We determined the incidence and geographical distribution of IOSSN cases diagnosed between 1992 and 2010 using two independent population-based cancer registries: the Canadian Cancer Registry and Le Registre Québécois du Cancer. RESULTS The mean annual age-standardised incidence rate (WHO 2000-2025) of IOSSN for 1992-2010 was 0.45 cases per million individuals per year with an average annual percent increase in incidence of 4.5%. IOSSN localisation to the conjunctiva was documented in at least 57% of the reported cases. IOSSN exhibited a male predilection ratio of 3.3:1.0 with a mean age at diagnosis of 69 years. Incidence rates of IOSSN across Canadian provinces and cities showed no significant differences from the crude national average. CONCLUSIONS Our results, particularly concerning IOSSN patient age and male predilection, corroborate with data reported from the USA. Additional studies are needed to determine whether the observed increase in incidence rate over the study period (1992-2010) is significant.
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Affiliation(s)
- Rami Darwich
- Department of Ophthalmology & Visual Sciences, Dalhousie University, Halifax, Nova Scotia, Canada.,Department of Medicine, McGill University, Montreal, Quebec, Canada
| | - Feras M Ghazawi
- Division of Dermatology, University of Ottawa, Ottawa, Ontario, Canada.,Cancer Therapeutics Program, The Ottawa Hospital Research Institute, Ottawa, Ontario, Canada
| | - Michelle Le
- Department of Medicine, McGill University, Montreal, Quebec, Canada
| | - Elham Rahme
- Division of Clinical Epidemiology, McGill University Health Centre, Montreal, Quebec, Canada
| | - Nebras Alghazawi
- Department of Medicine, McGill University, Montreal, Quebec, Canada
| | - Andrei Zubarev
- Department of Medicine, McGill University, Montreal, Quebec, Canada
| | - Linda Moreau
- Division of Dermatology, McGill University Health Centre, Montreal, Quebec, Canada
| | - Denis Sasseville
- Division of Dermatology, McGill University Health Centre, Montreal, Quebec, Canada
| | - Miguel N Burnier
- The Henry C Witelson Ocular Pathology Laboratory, McGill University, Montreal, Quebec, Canada
| | - Ivan V Litvinov
- Division of Dermatology, McGill University Health Centre, Montreal, Quebec, Canada
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20
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Cattelan L, Ghazawi FM, Le M, Lagacé F, Savin E, Zubarev A, Gantchev J, Tomaszewski M, Sasseville D, Waschke K, Litvinov IV. Epidemiologic trends and geographic distribution of esophageal cancer in Canada: A national population-based study. Cancer Med 2019; 9:401-417. [PMID: 31715645 PMCID: PMC6943153 DOI: 10.1002/cam4.2700] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2019] [Revised: 09/29/2019] [Accepted: 10/27/2019] [Indexed: 12/22/2022] Open
Abstract
Background Esophageal cancer can be subdivided into two main histological subtypes with significant variability in their etiology and epidemiology. The incidence of esophageal adenocarcinoma (AC) is increasing across the developed countries, whereas the incidence of esophageal squamous cell carcinoma (SCC) is declining. Several risk factors have been identified in the pathogenesis of each subtype, however, their epidemiologic characteristics and distribution throughout Canada remain poorly understood. Methods We performed a retrospective analysis of demographic data across Canada from 1992 to 2010 using two independent population‐based cancer registries. The incidence of esophageal cancer, for each subtype, was examined at the levels of provinces/territories, cities, and postal codes. Results A total of 19 790 patients were diagnosed with esophageal cancer in Canada between 1992 and 2010; 74% were males. The average national incidence rate was 33.5 cases per million individuals per year. Incidence of esophageal AC increased over time, with notable high‐incidence rates on the Vancouver Island, the coasts of the Great Lakes, and the coasts of the Northumberland Strait in the Maritimes. The overall incidence of esophageal SCC has decreased. However, high incidence of esophageal SCC was detected in the Vancouver city, rural eastern Québec, and in the Maritimes. We also report clustering for each subtype using postal codes, which sheds light onto new avenues of research for potential environmental etiologies. Conclusions This study, for the first time, provides a detailed analysis on the burden of esophageal cancer in Canada, revealing important geographic clustering trends.
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Affiliation(s)
- Leila Cattelan
- Division of Dermatology, Department of Medicine, McGill University, Montreal, Quebec, Canada
| | - Feras M Ghazawi
- Department of Medicine, University of Ottawa, Ottawa, Ontario, Canada
| | - Michelle Le
- Division of Dermatology, Department of Medicine, McGill University, Montreal, Quebec, Canada
| | - François Lagacé
- Division of Dermatology, Department of Medicine, McGill University, Montreal, Quebec, Canada
| | - Evgeny Savin
- Division of Dermatology, Department of Medicine, McGill University, Montreal, Quebec, Canada
| | - Andrei Zubarev
- Division of Dermatology, Department of Medicine, McGill University, Montreal, Quebec, Canada
| | - Jennifer Gantchev
- Division of Dermatology, Department of Medicine, McGill University, Montreal, Quebec, Canada
| | - Marcel Tomaszewski
- Division of Gastroenterology, Department of Medicine, McGill University, Montreal, Quebec, Canada
| | - Denis Sasseville
- Division of Dermatology, Department of Medicine, McGill University, Montreal, Quebec, Canada
| | - Kevin Waschke
- Division of Gastroenterology, Department of Medicine, McGill University, Montreal, Quebec, Canada
| | - Ivan V Litvinov
- Division of Dermatology, Department of Medicine, McGill University, Montreal, Quebec, Canada
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