类肉瘤Sarcoidosis(以下简称Sa症)是在许多脏器发生类上皮细胞肉芽肿,是一种原因不明的全身性疾病,同时伴有细胞性免疫功能低下。临床所见有肺病变,尤其是两侧肺门部淋巴结肿胀(Bilateral Hilar lymph-adenopathy BHL)出现率最高。其次就是眼病变,在日本据说眼病变的频率约为20％,但从最近眼科方面的统计看其频率可达50％以上。Sa症目前在日本是内因性葡萄膜炎原因的第1位或第2位。主要病变是肉芽性 Sarcoidosis Sarcoidosis (hereinafter referred to as Sa syndrome) is a type of epithelial cell granuloma in many organs, is an unknown cause of systemic disease, accompanied by cellular immune dysfunction. Clinically, there are pulmonary lesions, especially in bilateral hilar lymph node hyperplasia (Bilateral Hilar lymph-adenopathy BHL) the highest incidence. Followed by the eye lesions, in Japan, the frequency of ocular lesions is said to be about 20%, but statistics from the recent ophthalmic frequency of up to 50%. Sa disease is currently in Japan, the first or second cause of endogenous uveitis. The main lesion is granulomatous