BCOR-CCNB3 Fusion Positive Sarcomas: A Clinicopathologic and Molecular Analysis of 36 Cases With Comparison to Morphologic Spectrum and Clinical Behavior of Other Round Cell Sarcomas.

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Abstract

[Indexed for MEDLINE] Conflict of interest statement: Conflicts of interest: none 6. Clin Lung Cancer. 2008 Sep;9(5):257-61. doi: 10.3816/CLC.2008.n.040. Primary pleuropulmonary synovial sarcoma. Mirzoyan M(1), Muslimani A, Setrakian S, Swedeh M, Daw HA. Author information: (1)Department of Medicine, Fairview Hospital, Cleveland, OH 44111, USA. Pleuropulmonary synovial sarcoma (PPSS) is increasingly recognized as a subtype of sarcoma because of the recent identification of a distinctive chromosomal translocation specific to synovial sarcoma. Soft-tissue synovial sarcoma is far more common than PPSS and typically develops in para-articular locations of the extremities, affects young and middle-aged adults, with no difference in distribution between the sexes, and has well-documented radiologic manifestations. Pleuropulmonary synovial sarcoma can arise in the chest wall, heart, mediastinum, pleura, or lung, and it shares patient demographics and several imaging features with its soft-tissue counterpart. Patients present with a cough, chest pain, or dyspnea. On chest radiographs, PPSS typically appears as a sharply marginated mass with uniform opacity, based in the pleura or in the lung, and often accompanied by an ipsilateral pleural effusion. Computed tomographic images show a well-circumscribed, heterogeneously enhanced lesion without associated involvement of bone and without calcifications (except in the case of a chest wall primary tumor). Magnetic resonance imaging provides superior demonstration of nodular soft tissue and multilocular fluid-filled internal components of PPSS, in addition to peripheral rim enhancement after the intravenous administration of a gadoliniumbased contrast material such as gadopentetate dimeglumine. Current treatment consists of surgical resection followed by chemotherapy, radiation therapy, or both. DOI: 10.3816/CLC.2008.n.040