Diagnosis: Granuloma annulare
Description: Annular plaques with beaded papular border.
Morphology: Annular
Site: Knee
Sex: M
Age: 58
Type: Clinical
Submitted By: Nameer Al-Sudany
Differential DiagnosisHistory: Perforating Granuloma Annulare usually appears on the dorsal hands and presents as papules with a central keratotic core. This core represents transepidermal eliminat~on of the degenerated material in the center of GA lesions. Here is a case of generalized perforating GA in a healthy individual (no DM or any other systemic disease)