Epidemiology of basal cell carcinoma. 1423 cases reported on population based cancer registry.
Keywords:
Basal cell carcinoma (BCC), epidemiology, skin neoplasmAbstract
Background: Basal cell carcinoma (BCC) is the most common type of skin cancer and represents 81.55% of malignant epithelial tumors. It usually occurs on the face in individuals aged over 40 years, and it is related with repetitive exposure to sunlight.
Objective: To describe the epidemiological data, and histopathology findings of 1423 patients with BCC.
Design: Descriptive analysis of incidence rates for BCC from 2000 and 2001, in relation to sex, age, anatomical distribution, and histopathology type.
Setting: Data were obtained from the Bucaramanga Metropolitan Area Population based Cancer Registry, to which registering the data of skin cancer was compulsory in 2000 and 2001.
Patients: Inhabitants of Bucaramanga Metropolitan Area (961,759 in 2000).
Main outcome measures: Age-and sex-specific incidence rates and overall rates adjusted for age to the world standard population.
Methods: Data from 2000 to 2001 was obtained from the Bucaramanga Metropolitan Area population-based Cancer Registry. Age-standardized incidence rates (ASRs) and percentage of frequency, were calculated. The Bucaramanga Metropolitan Area population-based Cancer Registry with more than 100 registering information sources investigates all incident cancer cases according to international standards. From the recorded data all BCC cases were identified and evaluated.
Results: A total of 1423 BCCs were registered. During the study period, the age-standardized incidence of BCC was high for males and females, reaching 112.7 and 94.3 per 100,000 per year, respectively. Most patients were female (55%) and involving predominantly the face (87.6%) of the lesions). The most frequent pathological type was solid variant (72.8% of the lesions).
Conclusions: The first population-based data from Bucaramanga Metropolitan Area on the characteristics (age, sex, histological subtypes, and localization) of BCC agree well with the existing literature and may thus be regarded as representative.
Author Biographies
Claudia Uribe
Patóloga, Dermatopatóloga. Directora Registro de Cáncer del área metropolitana de Bucaramanga. Profesora asociada de la facultad de medicina de la Universidad Autónoma de Bucaramanga.
Erika Meza
Enfermera. Coordinadora del Registro de Cáncer del área metropolitana de Bucaramanga. Facultad de medicina de la Universidad Autónoma de Bucaramanga.
Mabel Ávila
Dermatóloga, Dermatopatóloga. Centro Dermatológico área metropolitana de Bucaramanga.
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