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Diagnosis: Keratoacanthoma
Description: Dome-shaped nodule with keratin-filled crater.
Morphology: Nodule pink
Site: Leg
Sex: M
Age: 80
Type: Clinical
Submitted By: Nameer Al-Sudany
Differential DiagnosisHistory:
An 80-year-old man presented with an asymptomatic, dome-shaped, pinkish-red nodule with central crater filled with heaped-up keratin involved the leg of 10 months duration. It has been excised with a suitable safe margin and sent for HP examination which was consistent with KA.