混合性结缔组织病(MCTD)为一种独立疾病。在结缔组织疾病中并不少见。近几年,国内已陆续有所报道。此病最初于1972年由Sharp等报道及命名。目前认为此病为一组由两种或三种结缔组织病混合或称中间型以联合症状出现,现将我们遇到的1例报道如下: 患者男,35岁,住院号19743。因四肢关节疼痛,全身无力1年,于1989年10月10日入院。患者于1988年10月至1989年6月期间,先后两次发现右颈部、颈后部淋巴结肿大,活动度好与周围组织无粘连、压痛 Mixed connective tissue disease (MCTD) is an independent disease. It is not uncommon in connective tissue diseases. In recent years, China has reported one after another. The disease was first reported and named by Sharp et al in 1972. At present, the disease is considered as a group of two or three kinds of connective tissue disease mixed or intermediate type with joint symptoms appear, we now encounter a case reported as follows: The patient male, 35 years old, hospital number 19743. Due to joint pain in the limbs, the general weakness for 1 year, was admitted on October 10, 1989. Patients in the period from October 1988 to June 1989, twice found the right neck, posterior cervical lymph nodes, good mobility with the surrounding tissue without adhesions, tenderness