恶性胸腔积液的CT诊断

目的：探讨恶性胸腔积液的CT表现特点。及CT在恶性胸腔积液诊断中的应用价值。材料与方法：分析56例经手术，病理，胸水等证实的恶性胸腔积液的CT征象，结果：恶性胸腔积液的特征性CT表现为胸膜的明显增厚，其形态改变有一定特点，可分为四型，但CT对无或仅有轻度胸膜增厚的恶性胸腔积液的诊断仍较困难。结论：CT是诊断恶性胸腔积液的重要检查方法之一，可清楚显示胸膜增厚的范围及程度，后者是鉴别诊断中有重要价值的CT征象。

CT in Diagnosis of Malignant Pleural Effusion

Purpose:The CT features of malignant pleural effusion have been discussed.The value of CT in the diagnosis of malignant pleural effusion were also described.Materials and Methods:The CT findings of 56 patients with malignant pleural effusion proved by operation pathology and pleural fluid have been studied.Results:The specific CT signs of malignant pleural effusion shown the pleura thickening clearly.The shape of the pleura can be characterized into 4 types.However,It is difficult to diagnose the malignant pleural effusion without or with limited pleura thickening by CT.Conclusion:CT is one of the important methods to distinguish the malignant pleural effusion,and the scope and extension of the pleura thickening can be presented on it clearly.The later feature is a valuable CT sign in differential diagnosis.