Seborrheic keratosis is a very common skin lesion, seen most frequently after middle age. Many patients show only a few small flat lesions in the interscapular region. The exact histogenesis of this entity is unknown.
The following is a brief description of a patient with this condition, demonstrating many unusual features and the possibility of autoinoculation.
Report of Case
A 40-year-old white male presented with a 17-year history of large, raised, dark skin lesions which began on the right thigh and spread over a period of years to the genitalia, buttocks, and trunk. Two to three months prior to admission, several of these lesions became slightly tender and foul-smelling with a moderate amount of weeping. These lesions were slightly painful but the filth accompanying the weeping ulceration induced an uncomfortable nuisance and mental dissatisfaction—enough so that this patient readily submitted permission for "as many operations as necessary to rid me