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Intraarticular synovial sarcoma.

C D McKinney1, S E Mills, R E Fechner

  • 1Department of Pathology, University of Virginia Health Sciences Center, Charlottesville 22908.

The American Journal of Surgical Pathology
|October 1, 1992
PubMed
Summary
This summary is machine-generated.

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A rare intra-articular synovial sarcoma in the knee was successfully removed. This patient remained disease-free for 9 years after local excision, highlighting a potential treatment for this rare joint tumor.

Area of Science:

  • Orthopedic Surgery
  • Oncology
  • Pathology

Background:

  • Synovial sarcoma is a rare soft tissue tumor, typically arising in extremities.
  • Intra-articular presentation of synovial sarcoma is exceptionally uncommon.

Observation:

  • A 43-year-old male presented with knee pain and a visible medial joint mass.
  • Arthroscopy revealed a 3 cm mobile mass tethered to the synovium.
  • The mass was surgically excised.

Findings:

  • Histopathological examination confirmed a biphasic synovial sarcoma.
  • Immunohistochemistry showed epithelial markers in both tumor components.
  • The tumor did not show transition with the adjacent normal synovium.

Implications:

Related Experiment Videos

  • Local excision can be effective for intra-articular synovial sarcoma.
  • This case expands the understanding of synovial sarcoma presentation.
  • Further research into intra-articular tumors is warranted.