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Image Number 2674 (Keratoacanthoma)

Nodule pink

Diagnosis: Keratoacanthoma

Site: Leg

Sex: M

Age: 80


Description: Dome-shaped nodule with keratin-filled crater.

Submitted by: Nameer Al-Sudany

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Differential Diagnosis


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.

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