Key result
A 36-year-old woman with primary retroperitoneal synovial sarcoma experienced extensive tumor recurrence and liver metastasis five months after incomplete surgical resection.
Case Report (n=1)
No
Primary retroperitoneal synovial sarcoma is a rare malignant tumor with high recurrence rates that should be considered in the differential diagnosis of retroperitoneal soft tissue masses in young adults.
Incomplete resection risks rapid recurrence and metastasis; case report leaves open optimal management for this rare sarcoma.
A case of a 36-yr-old woman with retroperitoneal synovial sarcoma is described. Her presenting symptom was epigastric pain that radiating to the back. On radiologic study, bulky retropancreatic soft tissue mass was detected which showed cystic and solid components. At operation, complete resection of the tumor was not possible because of the adhesion to the vena cava and the liver. During the follow-up, extensive tumor recurrence and liver metastasis were revealed. Primary retroperitoneal synovial sarcoma is a very rare malignant tumor with high mortality and recurrence rates. Retroperitoneal synovial sarcoma usually appears as a nonspecific soft tissue mass that do not have specific imaging features differentiating it from other mesenchymal tumors. However general radiologic findings and anatomic location of the tumor may help the diagnosis. In addition, synovial sarcoma should be included in the differential diagnosis of retroperitoneal soft tissue mass detected in young adults.
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Song et al. (2002) conducted a case report in Primary retroperitoneal synovial sarcoma (n=1). Surgical resection was evaluated. A 36-year-old woman with primary retroperitoneal synovial sarcoma experienced extensive tumor recurrence and liver metastasis five months after incomplete surgical resection.
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