7年間の経過観察中に緩徐増大を認めた臓側胸膜発生脱分化型孤立性線維性腫瘍の1例 / A case of slow-growing dedifferentiated solitary fibrous tumor of the pleura over a 7-year period
- Resource Type
- Journal Article
- Authors
- Hideki Tsubouchi; Madoka Goto; Rio Takada; Shoichi Mori; Yasuhisa Ichikawa; Yuta Kawasumi; 坪内 秀樹; 川角 佑太; 市川 靖久; 後藤 まどか; 森 正一; 高田 莉央
- Source
- 日本呼吸器外科学会雑誌 / The Journal of the Japanese Association for Chest Surgery. 2022, 36(7):821
- Subject
- dedifferentiated solitary fibrous tumor
solitary fibrous tumor
video-assisted thoracoscopic surgery
visceral pleura
孤立性線維性腫瘍
胸腔鏡下手術
脱分化型
臓側胸膜発生
- Language
- Japanese
- ISSN
- 0919-0945
1881-4158
A 75-year-old man visited his family doctor in 20XX-7 owing to an abnormal shadow on a chest radiograph revealed in a health check-up. Chest computed tomography (CT) showed a positive extrapleural sign for a 2.0-cm-diameter nodule in the left thoracic cavity. The nodule grew to a diameter of 2.9 cm in 20XX. Fluorodeoxyglucose positron emission tomography-CT showed weak accumulation. Thoracoscopic surgery was performed. The pedunculated tumor attached to the visceral pleura of the left lower lobe was removed by wedge resection. Histologically, the tumor had both a low-grade area and a high-grade sarcomatous area with high mitotic counts. From the above histological features, the tumor was diagnosed as a dedifferentiated SFT that originated from the visceral pleura. Timely follow-ups are mandatory as dedifferentiated SFT has a higher rate of recurrence or metastasis than conventional SFT.