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2 讨论 肺癌肉瘤在肺癌中占0.2～0.6％,以60～70岁为多见,平均57岁,男性占79％,多有吸烟史。本文4例平均64.3岁,3例男性,病灶在左侧3例,下叶3例。 患者一般在发病半年内就诊,常见症状有咳嗽、咳痰、咯血,可伴胸痛,亦有伴感染、血性胸水、杵状指者。患处呼吸音减低,叩诊浊音。X线检查常见胸部致密阴影,呈球形或分叶状,密度均匀。偶有无症状而于胸透时意外发现,或以肺部感染为主而延误诊治。临床上与肺癌不易区别。 肺癌肉瘤一般分为周围型和中心型。周
2 Discussion Lung cancer sarcoma accounts for 0.2 to 0.6% of lung cancer, 60 to 70 years old is more common, an average of 57 years old, 79% of men, smoking history. In this study, 4 patients were 64.3 years old and 3 men. The lesions were in the left 3 cases and the lower 3 cases. Patients usually go to the hospital within six months of onset. Common symptoms include cough, sputum, hemoptysis, chest pain, and infection, bloody pleural effusion, and clubbing. The breath sounds in the affected area were reduced and the voice was dulled. X-ray examination of common chest dense shadow, spherical or lobulated, uniform density. Occasionally, asymptomatic and unexpectedly found in the chest-thorax, or mainly in the lung infection, delayed diagnosis and treatment. Clinically it is not easy to distinguish from lung cancer. Lung cancer sarcoma is generally divided into peripheral and central types. week