JOURNAL ARTICLE

Primary pleuropulmonary synovial sarcoma mimicking a carcinoid tumor: Case report and literature review

Zeid Al-Ani, Jawad Naqvi, Teik Chooi Oh
Radiology Case Reports 2016, 11 (2): 45-9
27257447
Primary pleuropulmonary synovial sarcoma is a rare malignancy. Commonly described radiologic features in the literature include pleural disease and/or effusion, lack of calcification and high uptake on positron emission tomography computerised tomography. A 68-year-old woman presented with a 3-month history of cough. Imaging studies showed a right upper lobe mass with internal foci of calcification, endobronchial extension, and low fluorodeoxyglucose avidity on positron emission tomography computerised tomography, leading to an initial diagnosis of carcinoid tumor. However, histologic specimens suggested an unexpected diagnosis of aggressive synovial sarcoma, and the case was referred to the sarcoma MDT. Metastatic synovial sarcoma was ruled out, and radical surgical excision of the lesion was performed. This article highlights the multiple atypical features of primary pleuropulmonary synovial sarcoma as seen in this case and reviews imaging findings described in the literature. Radiologists should be aware of this unusual yet aggressive type of sarcoma.

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