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Granuloma Annulare

definition

Granuloma Annulare is a benign granulomatous disease of unknown aetiology characterized by a ring composed of smooth, firm papules or nodules on the skin which gradually enlarges. Multiple lesions may be present. In the generalized form, multiple small skin-coloured, erythematous or violaceous lesions appear in a symmetrical fashion on the trunk and, to a lesser extent, on the limbs, and the distinctive annular pattern is not always present. Histological examination reveals palisading histiocytes surrounding necrobiotic tissue resulting from altered collagen structures. Almost always there is healing without scarring.

synonyms

Granuloma Annulare

UMLS

GA - Granuloma annulare, Granuloma Annulare, Granuloma, annulare

images

8 images found for this diagnose localisation: back of the hands, diagnosis: Granuloma Annulare localisation: back of the hands, diagnosis: Granuloma Annulare localisation: legs, diagnosis: Granuloma Annulare diagnosis: Granuloma Annulare diagnosis: Granuloma Annulare diagnosis: Granuloma Annulare diagnosis: Granuloma Annulare diagnosis: Granuloma Annulare