Diagnosis: Keratoacanthoma
Description: Nodule with keratin core
Morphology: Nodule
Site: Leg
Sex: M
Age: 64
Type: Clinical
Submitted By: Ian McColl
Differential Diagnosis
History: Keratoacanthomas grow very rapidly on sun damaged skin.They can double in size in a two week period.They can be easily enucleated from the skin.They do not spread elsewhere in the body.