Key result
CT and MRI imaging of a rare synovial sarcoma of the anterior chest wall revealed a multilobulated mass with a fluid-fluid level, which was confirmed histologically after surgical excision.
Why the study?
Synovial sarcoma usually involves the extremities, and occurrence originating in the chest wall is extremely rare.
Case Report (n=1)
No
Highlights the rare presentation of synovial sarcoma in the anterior chest wall and the utility of MRI in identifying characteristic fluid-fluid levels for diagnosis.
Answers are grounded in this paper and cite their sources.
Chest wall synovial sarcoma may mimic benign lesions on CT; case reports leave open biopsy thresholds for subpleural masses.
Synovial sarcoma is a malignant soft tissue tumor that usually involves the extremities, particularly near the knees; a synovial sarcoma originating in the chest wall is extremely rare. We describe a 26-year-old woman diagnosed with a synovial sarcoma originating in the chest wall, based on CT and MRI findings. Contrast-enhanced CT images revealed a small, well-defined enhancing mass with calcification, in the subpleural area. This lesion was initially diagnosed as a benign tumor; however, the patient developed sudden severe pain with spontaneous bleeding and hemothorax, suggesting the possibility of malignancy. MRI revealed a multilobulated mass with a fluid-fluid level, which characterizes a synovial sarcoma.
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Kim et al. (2020) conducted a case report in Synovial sarcoma of the anterior chest wall (n=1). Surgical excision was evaluated. CT and MRI imaging of a rare synovial sarcoma of the anterior chest wall revealed a multilobulated mass with a fluid-fluid level, which was confirmed histologically after surgical excision.
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