Prior Basal Cell Carcinoma Is Main Predictor of Future BCC
Prior basal cell carcinoma (BCC) is the greatest predictor of future incidence of BCC, according to a study published online July 19 in the Journal of Investigative Dermatology.
In a prospective six-year trial, Robert K. Dyer, M.D., from the VA Medical Center Providence in Rhode Island, and colleagues examined predictors of new BCCs on the face and ears among those at very high risk.
The researchers found that the number of BCCs in the previous five years was the most important predictor of future BCC. Other independent predictors included age; sensitivity to sun; occupational sun exposure before, but not after, the age of 30 years; lower educational level; history of eczema; the use of angiotensin-converting enzyme inhibitors/angiotensin receptor blockers; and increased sunscreen use in the week, but not the six months, prior to enrollment. Sunburns; baseline sun exposure; and other
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