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Related Experiment Videos

Primary retroperitoneal synovial sarcoma

T Miyashita1, T Imamura, Y Ishikawa

  • 1Second Department of Internal Medicine, Teikyo University School of Medicine, Tokyo.

Internal Medicine (Tokyo, Japan)
|November 1, 1994
PubMed
Summary
This summary is machine-generated.

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Primary retroperitoneal synovial sarcoma is a rare and aggressive cancer. Early diagnosis and surgical intervention are crucial, but survival rates remain low, highlighting the need for increased physician awareness.

Area of Science:

  • Oncology
  • Pathology
  • Surgical Oncology

Background:

  • Primary retroperitoneal synovial sarcoma is an exceptionally rare malignancy.
  • This tumor typically presents as an abdominal mass, often mimicking other soft tissue sarcomas.
  • The monophasic fibrous pattern is particularly uncommon in this retroperitoneal location.

Observation:

  • A case of primary retroperitoneal synovial sarcoma with a monophasic fibrous pattern is presented.
  • Immunohistochemical staining confirmed synovial sarcoma cells positive for cytokeratin and epithelial membrane antigen (EMA).
  • Histological differentiation from other spindle cell sarcomas with similar microscopic features was achieved.

Findings:

  • Retroperitoneal synovial sarcoma carries a high fatality rate, with only one of 16 reported cases surviving five years post-resection.

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  • Surgical resection is the primary treatment modality.
  • The monophasic fibrous subtype is exceedingly rare in the retroperitoneum.

    • Implications:

    • Increased physician awareness of retroperitoneal synovial sarcoma is critical for timely diagnosis.
    • This rare tumor should be considered in the differential diagnosis of abdominal masses.
    • Further research into effective therapeutic strategies for this aggressive sarcoma is warranted.