Diagnosis: Seborrhoeic keratosis
Description: Brown-blackish nodule with a greasy surface.
Morphology: Nodule,black
Site: Nose
Sex: F
Age: 65
Type: Clinical
Submitted By: Nameer Al-Sudany
Differential DiagnosisHistory: A large, brown-black nodule with a papillated greasy surface on the dorsal surface of the nose of many years duration.