恶性网状细胞病(Malignant histiocytosis)是全身网状内皮系统的一种广泛的难以逆转的异常网状细胞增生疾病国内自1957年至1980年据不完全统计已有千余例报道但以眼部症状为首发者国内外报道不多,以眼球突出为首发症状一例,以眼脸皮肤首发症状一例,并发睑结膜角膜坏死一例。作者遇一例以球结膜肿物为首发症的恶网现报道如下: Malignant histiocytosis is a widespread and refractory reticulocyte proliferative disease of the reticuloendothelial system in the country. According to incomplete statistics from 1957 to 1980, more than a thousand cases have been reported. However, Symptoms of the first person at home and abroad reported few cases, with the prominence as the first symptom of a case of eye and face to the first symptom of a case of skin complications, conjunctival corneal necrosis in a case. The author encountered a case of bulbar conjunctival tumor as the first disease is reported as follows: