Granuloma annulare or GA is a skin condition identified by circular patterns of bumps on the skin. GA is a chronic, reoccurring disorder that affects women more often than men. Though the condition can affect people of all ages, it is most common in children and young adults.
There are five known variants of granuloma annulare. The localized form of the condition is seen most frequently. Linear, perforating, general or disseminated, and subcutaneous granuloma annulare are less common. Some variants appear to run in families, but there is no concrete evidence that GA is a hereditary disorder.
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