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Image Number 1632 (Perforating granuloma annulare)


Diagnosis: Perforating granuloma annulare

Site: Hand,dorsum

Sex: F

Age: 50


Description: Red papules with a central keratotic core.

Submitted by: Nameer Al-Sudany

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Differential Diagnosis

History: Perforating GA usually appears on the dorsal hands and presents as papules with a central keratotic core. This core represents transepidermal elimination of the degenerated material in the center of GA lesions and clinically can resemble a pustule. This lady presented with a classical perforating GA which has been proven by skin biopsy.

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