本文介绍2例以右肩关节痛为最早和主要症状表现的肺癌。因认识不足,长期误诊为肩周炎和风湿病,直到出现大量胸水并查到癌细胞,才明确诊断,报告如下。病例报告例1.男,59岁,工人。1989年5月始,右肩关节持续性疼痛,进行性加重,夜间及活动时为甚。外院诊断为风湿性关节炎,长期服强的松、扑炎痛及外用伤湿止痛膏等治疗无效。1990年2 This article describes two cases of lung cancer with right shoulder pain as the earliest and main symptoms. Due to lack of understanding, long-term misdiagnosis of frozen shoulder and rheumatism, until a large number of pleural effusion and cancer cells found, only a clear diagnosis, the report is as follows. Case Report Example 1. Male, 59 years old, worker. Since May 1989, continuous pain in the right shoulder joint has been progressively worsened, especially at night and during activities. The hospital was diagnosed with rheumatoid arthritis, and long-term treatment with prednisone, piroxicin, and topical wounds and pain relief creams were ineffective. 1990 2