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Войти в исследования Annals of the Royal College of Surgeons of England · 2026
Demographics of malignant melanoma in Trinidad and Tobago.
СтатьяНазвание и аннотация: Перевод в очереди
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Ramdass M J, Rattan J, Ribeiro A, Johncilla M, Sandy S, Barrow S
Аннотация
INTRODUCTION: This study aims to describe the demographics of malignant melanoma (MM) in Trinidad and Tobago.
METHODS: All cases of MM for the period 2004-2019 were analysed with data collected on age, gender, histological subtype, anatomical location, Clark Staging, Breslow thickness/American Joint Committee on Cancer 8 guidelines.
RESULTS: There were 54 cases comprising 31 (57%) women and 23 (43%) men with an age range of 12-96 years (mean=61). Incidence was calculated at 0.482 per 100,000 persons per annum and prevalence was 0.01%. The number of new cases diagnosed annually ranged between two and four, with a range of one to seven. African ethnicity was predominant (45; 83.3%) followed by East Indians (6; 11.1%) and mixed (3; 5.6%). Anatomical sites (n=51) included the lower limb (28; 54.9%), trunk (9; 17.6%), upper limb (6; 11.7%), ocular region (5; 9.8%), head and neck (1; 2%), head and neck mucosal (1; 2%) and gastrointestinal mucosal (1; 2%). Common subtypes (n=42) included not otherwise specified (27; 64.3%), nodular melanoma (NM) (6; 14.3%), acral lentiginous melanoma (ALM) (4; 9.5%), spindle cell (3; 7.1%), superficial spreading melanoma (SSM) (1; 2.4%), amelanotic melanoma (AM) (1; 2.4%). Breslow thickness and the Clark classification were used for 23 and 16 patients, respectively.
CONCLUSIONS: There were 54 cases diagnosed over 16 years serving a catchment of 700,000 persons giving an incidence rate of 0.482 per 100,000 persons per annum and a prevalence of 0.01%. African ethnicity was dominant (83.3%) with the lower limb, trunk and upper limb being most commonly affected. There is a major need for better recording of data, staging and treating this disease in the Caribbean region.
METHODS: All cases of MM for the period 2004-2019 were analysed with data collected on age, gender, histological subtype, anatomical location, Clark Staging, Breslow thickness/American Joint Committee on Cancer 8 guidelines.
RESULTS: There were 54 cases comprising 31 (57%) women and 23 (43%) men with an age range of 12-96 years (mean=61). Incidence was calculated at 0.482 per 100,000 persons per annum and prevalence was 0.01%. The number of new cases diagnosed annually ranged between two and four, with a range of one to seven. African ethnicity was predominant (45; 83.3%) followed by East Indians (6; 11.1%) and mixed (3; 5.6%). Anatomical sites (n=51) included the lower limb (28; 54.9%), trunk (9; 17.6%), upper limb (6; 11.7%), ocular region (5; 9.8%), head and neck (1; 2%), head and neck mucosal (1; 2%) and gastrointestinal mucosal (1; 2%). Common subtypes (n=42) included not otherwise specified (27; 64.3%), nodular melanoma (NM) (6; 14.3%), acral lentiginous melanoma (ALM) (4; 9.5%), spindle cell (3; 7.1%), superficial spreading melanoma (SSM) (1; 2.4%), amelanotic melanoma (AM) (1; 2.4%). Breslow thickness and the Clark classification were used for 23 and 16 patients, respectively.
CONCLUSIONS: There were 54 cases diagnosed over 16 years serving a catchment of 700,000 persons giving an incidence rate of 0.482 per 100,000 persons per annum and a prevalence of 0.01%. African ethnicity was dominant (83.3%) with the lower limb, trunk and upper limb being most commonly affected. There is a major need for better recording of data, staging and treating this disease in the Caribbean region.