Tuberc Respir Dis > Volume 70(6); 2011 > Article
Tuberculosis and Respiratory Diseases 2011;70(6):511-515.
DOI: https://doi.org/10.4046/trd.2011.70.6.511    Published online June 1, 2011.
A Rare Case of Fat-Forming Variant of Solitary Fibrous Tumor Presenting as a Pleural Mass.
Mi Ae Kim, Ji Hyun Lee, Hye Cheol Jeong, Seung Won Koo, Kyung Mi Park, Sang Ho Cho, Hyeon Jae Lee, Eun Kyung Kim
1Department of Internal Medicine, Bundang CHA Hospital, CHA University College of Medicine, Seongnam, Korea. imekkim@hanmail.net
2Department of Pathology, Bundang CHA Hospital, CHA University College of Medicine, Seongnam, Korea.
3Department of Thoracic and Cardiovascular Surgery, Bundang CHA Hospital, CHA University College of Medicine, Seongnam, Korea.
Abstract
The fat-forming variant of solitary fibrous tumors (SFTs) is a rare soft tissue neoplasm that was previously referred to as a lipomatous hemangiopericytoma (L-HPC). The most common affected site is deep soft tissue. Here, we present the first case, worldwide, of a fat-forming variant of SFT of the pleura. A 74-year-old man presented with left lower chest pain. Chest radiographs showed a mass-like lesion at the left lower lung field and chest computed tomography revealed a 12 cm fat-containing enhancing mass that was well-separated, lobulated and inhomogeneous. Radiology findings suggested a liposarcoma. Percutaneous needle biopsy was performed and pathological diagnosis of the mass was a fat-forming variant of SFT. Surgical resection was carried out and there has been no recurrence to date. So, a benign fat-forming variant of SFT must be considered as one of the differential diagnoses of lipomatous tumors of the pleura.
Key Words: Solitary Fibrous Tumors, Pleura, Lipoma


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