胸膜恶性淋巴瘤可以胸腔渗液的形式出现,近来并不十分少见,我们遇到10例,开始被误诊癌性胸腔积液4例、胸膜间皮瘤2例、结核性胸膜炎3例、脓胸1例,后经手术、病理或细胞学证实,现将临床情况报道如下:临床资料男性7例,女性3例.6～20岁4例,21～40岁2例,41岁以上4例 起病隐袭,都诉有 Pleural malignant lymphoma can occur in the form of pleural effusion. Recently, it has not been very rare. We encountered 10 cases and began to be misdiagnosed as cancerous pleural effusion in 4 cases, pleural mesothelioma in 2 cases, tuberculous pleurisy in 3 cases, and empyema. In 1 case, confirmed by surgery, pathology or cytology, the clinical situation was reported as follows: Clinical data 7 males and 3 females. 6 to 20 years old 4 cases, 21 to 40 years old 2 cases, 41 years old and above 4 cases Insidious attack, all complaints