Disseminated superficial actinic porokeratosis (DSAP) is a porokeratosis variant that is cosmetically disfiguring and may be associated with squamous cell carcinoma. It is an autosomal dominant condition caused by germline… Click to show full abstract
Disseminated superficial actinic porokeratosis (DSAP) is a porokeratosis variant that is cosmetically disfiguring and may be associated with squamous cell carcinoma. It is an autosomal dominant condition caused by germline mutations in mevalonate pathway genes involved in cholesterol synthesis. Lesions are precipitated by ultraviolet radiation‐induced second‐hit mutations. Modulation of this pathway by topical simvastatin–cholesterol may lead to improvement.
               
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