Objective To study the clinical features,histopathological changes and treatment in patients with localized and generalized granuloma annulare( GA). Methods We retrospectively analyzed the clinical data of 81 cases of GA who visited our department between January,2010 and December,2016. Results Forty-one cases were localized GA,and 38 cases were generalized GA,including 21 cases of generalized granular GA,14 cases of disseminated popular GA and 3 cases of atypical generalized GA. Subcutaneous and perforatin...