Diagnosis: Keratoacanthoma
Description: Dome-shaped nodule.
Morphology: Nodule pink
Site: Lips
Sex: M
Age: 50
Type: Clinical
Submitted By: Nameer Al-Sudany
Differential DiagnosisHistory:
An asymptomatic, solitary, well-circumscribed, dome-shaped, pinkish, crusted nodule about one cm diameter on the lower lip of three months duration. Excisional biopsy showed KA.