Malignant solitary fibrous tumor of the pleura (SFTP) with synchronous metastasis to the right thoracic cavity

• Published in: The Journal of the Japanese Association for Chest Surgery Vol. 26; no. 7; pp. 787 - 790
• Main Authors: Fujinaga, Kazuya, Sakamoto, Syunsuke, Sawada, Yasuhiro, Mizumoto, Toru, Watanabe, Fumiaki, Tokui, Toshiya
• Format: Journal Article
• Language: Japanese
• Published: The Japanese Association for Chest Surgery 15.11.2012
• Subjects: malignant tumor; metastasis; solitary fibrous tumor of the pleura
• DOI: 10.2995/jacsurg.26.787
• ISSN: 0919-0945

We report a rare case of a large malignant SFTP with synchronous metastasis to the right thoracic cavity. The patient was a 39-year-old woman, who presented with a left chest wall mass and left chest pain. Chest computed tomography (CT) showed a 90×58-mm tumor in the left chest wall and a 41×28-mm tumor in the right thoracic cavity. A biopsy specimen was taken from the tumor of the left chest wall, and the tumor was diagnosed as a malignant SFTP. We suspected that the tumor of the right cavity arose because of metastasis from the tumor of the left chest wall. During the first operation, the tumor of the left chest wall was completely resected with the chest wall, pericardium, diaphragm, and left lower lung. However, the right tumor grew rapidly for a few months, and we were unable to resect it during the second operation because of dissemination. The histopathological diagnosis of the tumor in the right thoracic cavity was metastatic malignant SFTP. The patient died because of recurrence and metastasis, 12 months after the first operation.