Synovial sarcoma presents with specific imaging features such as a triple signal pattern on T2-weighted MRI and has a high propensity for late local recurrence and lung metastasis.
Alerts clinicians to characteristic features for suspicion; leaves open prospective validation of diagnostic criteria.
OBJECTIVE: The purpose of this review is to describe the imaging features, common and uncommon sites, metastatic pattern, and treatment response of synovial sarcoma. CONCLUSION: Synovial sarcoma primarily occurs in young adults, most commonly in the lower extremities; presents as a large, noninfiltrative, well-circumscribed mass adjacent to joints, often with punctuate calcifications; and may exhibit a triple signal pattern on T2-weighted images. Small synovial sarcomas can mimic benign lesions. This tumor has a propensity for late local recurrence and metastasis, most commonly to lung.
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Bakri et al. (2012) studied this question.
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