巨大型斑片状环状肉芽肿1例

A Case of Giant,Macular Granuloma Annulare

患者女,42岁。左上肢出现红斑1年。皮疹从一钱币大小淡红斑缓慢变大,无明显不适。皮肤科情况:左上臂一约7cm×15cm大小淡红色斑片,边界清楚,表面无隆起,无鳞屑,仅可触及部分边缘。组织病理示:真皮内可见局灶变性的胶原纤维及黏蛋白沉积,其周围的较多组织细胞及淋巴细胞大致呈栅栏状排列。诊断:巨大型斑片状环状肉芽肿。

A 42- year-old female presented with an asymptomatic pink erythema for 1 year. The lesion enlarged gradually. Physical examinations found a demarcated, pink macule without scales in size of 7cm × 15cm on the left upper arm. Histopathology study showed localized degenerated collagen and muein surrounded by histiocytes and lymphoeytes, arranged in a palisaded pattern. The diagnosis of giant, macular granuloma annulare was established.