Diagnosis: Keratoacanthoma
Description: Dome-shaped nodule.
Morphology: Nodule
Site: Lips
Sex: M
Age: 37
Type: Clinical
Submitted By: Nameer Al-Sudany
Differential DiagnosisHistory:
An asymptomatic, rounded, dome-shaped nodule with a central keratinous plug of three months duration. Excisional biopsy showed KA.