Facial Basal Cell Carcinoma in Patients Younger than 40
Nadimi, A.E.; Zhou, Y.; Ahn, J.; Hendi, A.
Journal of Drugs in Dermatology Jdd 17(5): 525-530
2018
ISSN/ISBN: 1545-9616 PMID: 29742183 Document Number: 17325
The incidence of basal cell carcinoma in the population younger than 40 years is rising, and a majority of basal cell carcinomas occur on the head and neck. Our objective was to determine whether basal cell carcinomas in the population younger than 40 years occur more frequently at the forehead and its subunits (forehead proper, temple, suprabrow, and glabella). We performed a retrospective case review of 4,337 basal cell carcinomas in 3,223 patients treated with Mohs micrographic surgery. Patients younger than 40 showed 2.2 fold increased odds of developing BCC at the forehead. Being younger than 40 was associated with more than 2.5 times higher odds of developing BCC at the forehead proper and 2.0 times higher likelihood of developing BCC at the temple. Females were associated with 3.8 fold higher odds of developing BCC at the glabella; however, they were less likely to develop BCC at the temple. There may be underlying differences in the pathogenesis and natural history of basal cell carcinoma in the younger population, and between males and females; alternatively, lifestyle factors may also play a role.
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