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Facial Basal Cell Carcinoma in Patients Younger Than 40
Insights
Younger individuals under 40 have increased odds of developing basal cell carcinoma (BCC) on the forehead. This study highlights potential differences in BCC development and natural history in younger populations.
Area of Science:
- Dermatology
- Oncology
- Epidemiology
Background:
- Basal cell carcinoma (BCC) incidence is increasing in individuals under 40.
- Most BCCs occur on the head and neck.
- Forehead and its subunits are common sites for BCC.
Purpose of the Study:
- To investigate if BCCs occur more frequently on the forehead and its subunits in patients younger than 40.
- To analyze BCC distribution in relation to age and sex.
Main Methods:
- Retrospective case review of 4,337 BCCs from 3,223 patients.
- Patients treated with Mohs micrographic surgery were analyzed.
Main Results:
- Patients under 40 had a 2.2-fold increased odds of developing BCC on the forehead.
- Increased odds for forehead proper (2.5x) and temple (2.0x) were observed in younger patients.
- Females had higher odds for glabella BCC (3.8x) but lower odds for temple BCC.
Conclusions:
- Potential underlying differences in BCC pathogenesis and natural history exist in younger populations and between sexes.
- Lifestyle factors may also contribute to BCC development patterns.
- Further research is warranted to understand these demographic variations.
Introduction:
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).
Methods:
We performed a retrospective case review of 4,337 basal cell carcinomas in 3,223 patients treated with Mohs micrographic surgery.
Results:
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.
Discussion:
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. J Drugs Dermatol. 2018;17(5):525-530.
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