KRAS and seborrheic keratosis: Briefly, we observed a HRAS G12D mutation in 1 out of 5 SCC, KRAS G12D mutation 1 (out of 3) BBC and in the sebaceous hyperplasia case, HRAS Q61L in 1 (out of 3) BCC and a HRAS Q61K mutation was found in 1 out of 5 seborrheic keratosis.