Monday, April 7, 2014

Increased aggressive-growth basal cell carcinoma in the VA population of Palo Alto, California.

Abstract
BACKGROUND:
We have noted a high frequency of aggressive-growth basal cell carcinomas (BCCS) in our patient population. Subtypes observed with increased frequency include morpheaform, infiltrative, and micronodular.
OBJECTIVE:
Our purpose was to examine the frequency of histologic subtypes of all BCCs seen in the dermatology clinics in the Veterans Affairs Palo Alto Health Care System in an 18-month period.
METHODS:
We reviewed 432 consecutive primary BCC biopsy specimens taken from 252 patients.
RESULTS:
Aggressive-growth BCC was observed in 20.7% of biopsy specimens, including 13.4% morpheaform, 5.7% infiltrative, and 1.6% micronodular subtypes. The mean age of the patient population was 70 years, with a standard deviation of 9.1 years.
CONCLUSION:
Our observed percentage of aggressive-growth BCC is substantially higher than in most other large studies. A high frequency of aggressive-growth BCC coupled with the increasing incidence of nonmelanoma skin cancer may have significant implications for future health care resource allocation.

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