恶性网状细胞病(简称恶网病)是一种原发于单核巨噬胞细系统中的组织细胞异常增生的全身性疾病。临床表现多样易导致误诊。曾有报道,本病有表现为心力衰竭,心律失常者。但未见引起二尖瓣狭窄的报道,兹将我们所见1例报告如下。患者男,24岁,汉族,因不规则发热,多汗、乏力、咽部及全身酸痛,脐部、阴囊皮肤糜烂,体重减轻两月,于1980年6月10日拟诊为急性咽峡炎, Malignant reticular cell disease (CNS disease) is a systemic disease that originates from abnormal proliferation of tissue cells in the monocyte-macrophage-specific system. Diverse clinical manifestations can lead to misdiagnosis. It has been reported that the disease has been manifested as heart failure, arrhythmia. But no reports of mitral stenosis, we will see one case of the report as follows. Male, 24 years old, Han nationality, due to irregular fever, sweating, fatigue, throat and body aches, umbilical, scrotal skin erosion, weight loss two months, on June 10, 1980 to be diagnosed as acute angina ,