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Image Number 1517 (Porokeratosis)

 
Morphology:
Annular

Diagnosis: Porokeratosis

Site: Nose

Sex: F

Age: 22

Type:

Description: Annular plaques with keratotic rim.

Submitted by: Nameer Al-Sudany

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Differential Diagnosis

History: A young adult female presented during summer with multiple, scaly, annular plaques with slightly elevated keratotic ridges (rims) with central grooves on the central part of the face especially on the nose. Cornoid lamellae were evident on histological examination of skin biopsy.

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