The lesion at the base of the keratin mound is benign in the majority of cases. Malignancy is present in up to 20% of cases, with squamous-cell carcinoma being the most common type. The incidence of squamous-cell carcinoma increases to 37% when the<unk>  is present on the penis. Tenderness at the base of the lesion often suggests the presence of a possible underlying squamous-cell carcinoma.<unk>  in right ear
Cutaneous horn
DermAtlas
Dermatome 
Dermatome
Dermal patch
Pinard horn
Neuromatrix
Ecamsule