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Image Description

After extremities, head and neck region is the 2nd most common site of involvement and accounts for 5% to 10% of all synovial sarcomas. They occur in the paravertebral space and present as a parapharyngeal or retropharyngeal mass near carotid bifurcation.

Case History: The patient was a 15 year old male who presented with hemoptysis, dyspnea, and a two week history of dysphagia. This plain radiograph, lateral view, shows a 6 cm well-defined lobulated mass in the posterior pharynx, narrowing the airway. The final diagnosis following resection was Monophasic Synovial Sarcoma. See next image for MRI with contrast. Case courtesy of Nirav Das, Radiopaedia.org. From the case rID: 51364

Image 10 of 78