Granuloma annulare is a chronic skin condition of the dermis(2nd) layer of skin. It is usually self-limited and often does not require treatment. However, topical steroids, intralesional steroids, liquid nitrogen, or photochemotherapy may be used to manage the condition. It may last months to years. It disappears in 75% of people within two years. Recurrences are common but are also self-limited. Lesions are palpable, non-scaling, and occur in "rings". Granuloma annulare does not usually cause any symptoms. It often occurs on the back surface of the hands, the elbows, and knees. It may consist of a singular ring or become generalized. Lesions may acquire a red or brown tint. Females are twice as likely as males to have granuloma annulare. Onset typically begins in childhood or young adulthood. Although the cause is unknown, generalized lesions may be indicative of diabetes. The lesions of granuloma annulare may be misdiagnosed as other conditions that also occur in a ring pattern such as ring worm. Granuloma is often diagnosed with history and physical alone or by dermatopathology.
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