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A 3D System for Culturing Human Articular Chondrocytes in Synovial Fluid
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Synovial Sarcoma with Extensive Rhabdoid Differentiation: A Rare Aggressive and Deceptive Histological Subtype.

Sunil Pasricha1, Divya Bansal1, Himanshu Rohela1

  • 1Department of Pathology, Rajiv Gandhi Cancer Institute & Research Centre, DELHI, INDIA.

Turk Patoloji Dergisi
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Summary

Extensive rhabdoid differentiation in synovial sarcoma is rare and can mimic other tumors. This aggressive subtype presents diagnostic challenges and a poor prognosis, requiring increased awareness.

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Area of Science:

  • Oncology
  • Pathology
  • Surgical Oncology

Background:

  • Synovial sarcoma typically exhibits spindle cell morphology, occasionally with epithelial components.
  • Extensive rhabdoid differentiation is an exceptionally rare presentation of synovial sarcoma, with limited documented cases.

Purpose of the Study:

  • To present two cases of synovial sarcoma with extensive rhabdoid differentiation.
  • To highlight the diagnostic challenges and aggressive clinical behavior associated with this rare subtype.

Main Methods:

  • Case report methodology detailing clinical presentation and follow-up.
  • Histopathological analysis of synovial sarcoma with rhabdoid features.

Main Results:

  • Both cases involved tumors near joints and demonstrated lung metastasis post-R0 resection.
  • The extensive rhabdoid differentiation posed diagnostic difficulties, particularly in small biopsies.

Conclusions:

  • Extensive rhabdoid differentiation in synovial sarcoma can be diagnostically deceptive and is associated with an aggressive clinical course and poor prognosis.
  • Increased awareness of this rare histomorphological subtype is crucial for accurate diagnosis, prognosis, and therapeutic planning.