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Related Experiment Videos

Acral synovial chondrosarcoma.

D E Wenger1, M Sundaram, K K Unni

  • 1Department of Radiology, Mayo Clinic, 200 First Street, SW, Rochester, MN 55905, USA.

Skeletal Radiology
|February 6, 2002
PubMed
Summary
This summary is machine-generated.

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This study reports an extremely rare case of acral synovial chondrosarcoma in a 69-year-old man. The tumor, mimicking gout radiographically, originated from the synovium without prior signs of synovial chondromatosis.

Area of Science:

  • Orthopedic Oncology
  • Musculoskeletal Pathology
  • Radiology

Background:

  • Acral chondrosarcomas are rare bone tumors.
  • Synovial chondrosarcoma is a rare subtype, typically arising from joint synovium.
  • Chondrosarcoma without concurrent synovial chondromatosis is exceptionally rare.

Observation:

  • A 69-year-old male presented with a rare acral synovial chondrosarcoma affecting the thumb's metacarpophalangeal joint.
  • Radiographic imaging mimicked gout, while MRI suggested synovial chondromatosis due to lobulated soft tissue mass contours.
  • Histological examination confirmed chondrosarcoma arising from the synovium.

Findings:

  • The tumor invaded metacarpophalangeal joint cartilage.
  • Bone destruction involved the distal metacarpal and proximal phalanx base.

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  • Bony joint surfaces were notably spared by the tumor invasion.

    • Implications:

    • Highlights the diagnostic challenge of rare acral synovial chondrosarcoma, especially when mimicking other conditions like gout.
    • Emphasizes the importance of integrating imaging findings with histopathology for accurate diagnosis.
    • Contributes to understanding the rare presentation and behavior of synovial chondrosarcoma in the acral region.