Granuloma annulare
Symptoms & Signs
Granuloma annulare usually causes no other symptoms, but the rash may be slightly itchy. Patients usually notice a ring of small, firm bumps (papules) over the backs of the forearms, hands, or feet. Occasionally, multiple rings may be found. Rarely, granuloma annulare may appear as a firm nodule under the skin of the arms or legs.
Diagnosis & Tests
Your physician may consider the diagnosis of fungal infection when looking at your skin. A skin scraping and KOH test can be used to tell the difference between granuloma annulare and a fungal infection. A skin biopsy may also be necessary to confirm the diagnosis of granuloma annulare.
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