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作者分析了经手术及病理证实的局限型胸膜间皮瘤１９例，其中良性９例，恶性８例，未定型２例。影像表现肿物多呈椭圆形、梭形或分叶状，边缘清楚锐利，贴近胸膜表面，少数瘤内有钙化或囊变。９例良性局限性纤维型胸膜间皮瘤中，５例有蒂，蒂长１～８ｃｍ，无一例有侵犯胸壁征象；８例恶性中，２例为带蒂肿物，５例伴有胸壁软组织侵犯，４例有肋骨破坏。ＣＴ评价胸膜间皮瘤的部位和范围有明显优越性。但除了胸壁软组织和肋骨侵犯提示恶性外，影像检查结果不能区别局限型胸膜间皮瘤的良、恶性。恶性胸膜间皮瘤术后容易复发，应长期随诊。
The authors analyzed 19 cases of localized pleural mesothelioma confirmed by surgery and pathology, including 9 cases of benign, 8 cases of malignant, and 2 cases of undefined. The image showed masses mostly oval, spindle or lobulated, with sharp edges and close to the pleural surface. A small number of tumors had calcification or cystic changes. Of the 9 patients with benign localized fibroid pleural mesothelioma, 5 had pedicles, and their pedicles were 1-8 cm long. None of them had infringement of the chest wall; 8 were malignant, 2 were pedunculated, and 5 had chest wall soft tissue. Infringement, 4 cases of rib destruction. CT evaluation of the location and extent of pleural mesothelioma has obvious advantages. However, in addition to malignant visualization of soft tissue and ribs in the chest wall, imaging findings cannot distinguish between benign and malignant localized pleural mesothelioma. Malignant pleural mesothelioma is prone to recurrence and should be followed up for a long time.