悪性胸膜孤立性線維性腫瘍の1例

Malignant Solitary Fibrous Tumor of the Pleura；Report of a Case

はじめに　胸膜原発孤立性線維性腫瘍（SFTP）は未分化間葉系細胞を由来とし，発症率2.8人/10万人とされるまれな疾患である1）．多くは良性であるが13～37％で組織学的に悪性を示し2，3），遠隔期に再発する報告もある．われわれは悪性SFTPの1例を経験したので，本邦報告例を併せ文献的考察を加えて報告する．

We report a rare case of a malignant solitary fibrous tumor of the pleura （SFTP）. The patient was a 66-year-old man, who had an asymptomatic 25 mm nodule in the left upper lung field. We performed a wedge resection of the left lung by video-assisted thoracic surgery, and the tumor was diagnosed as a malignant SFTP. Although the recurrence has not been found for 26 months, long-term clinical follow-up is thought to be necessary because of the potential adverse biological behavior of this tumor.