We report two cases of Mycobacterium marinum infection that histologically simulated interstitial granuloma annulare (GA). In one case, an infectious etiology was not suspected in histologic ...

Etiology: The cause of granuloma annulare is unknown. Granuloma annulare can occur at any age, but is seen predominantly in children and young adults. It occurs more frequently in females than males.

Granuloma annulare (GA) is a benign skin condition characterized by the formation of raised, reddish bumps or lesions, often in a ring-like pattern. While it can affect individuals of all ages ...