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Related Experiment Videos

Chordoma with multiple skin metastases

C Peramezza1, A Cellini, P Berardi

  • 1Clinica di Chirurgia Plastica e Ricostruttiva, Università di Ancona, Italia.

Dermatology (Basel, Switzerland)
|January 1, 1993
PubMed
Summary

This study details a rare sacral chordoma case with extensive skin metastases. The tumor cells exhibited characteristic physaliform cells with multiple protein expressions.

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Area of Science:

  • Oncology
  • Pathology
  • Dermatology

Background:

  • Chordomas are rare bone tumors arising from notochordal remnants.
  • Sacral chordomas represent a significant subset, often presenting with challenging surgical access.
  • Metastatic spread of chordoma, particularly to the skin, is uncommon.

Observation:

  • A case of sacral chordoma presented with multiple, widespread skin metastases.
  • Histopathological examination revealed characteristic physaliform cells within the metastatic lesions.
  • Immunohistochemical analysis demonstrated co-expression of cytokeratin, S-100 protein, epithelial membrane antigen (EMA), and vimentin in these cells.

Findings:

  • The presence of numerous skin metastases in sacral chordoma is a rare clinical observation.
  • The characteristic physaliform cell morphology was maintained in the metastatic deposits.
  • Simultaneous expression of intermediate filaments (cytokeratin, vimentin) and specific markers (S-100, EMA) in physaliform cells suggests a complex differentiation pattern.

Implications:

  • This case expands the understanding of chordoma metastatic patterns.
  • The immunohistochemical profile provides insights into the cellular origin and differentiation of chordoma metastases.
  • Recognizing skin metastases is crucial for accurate staging and management of sacral chordoma patients.

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