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Post-radiation primary intranodal leiomyosarcoma

H Fujii1, L Barnes, J T Johnson

  • 1Department of Pathology, Presbyterian University Hospital, Pittsburgh, PA.

The Journal of Laryngology and Otology
|January 1, 1995
PubMed
Summary
This summary is machine-generated.

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A rare case of intranodal leiomyosarcoma, a smooth muscle tumor, developed in a cervical lymph node years after radiation therapy for tongue cancer. This highlights the importance of considering radiation-associated sarcomas in post-treatment lymph node enlargement.

Area of Science:

  • Oncology
  • Pathology

Background:

  • Squamous cell carcinoma of the tongue requires aggressive treatment, including surgery and radiation therapy.
  • Post-radiation sarcomas are a known but rare complication of cancer treatment.
  • Primary intranodal leiomyosarcoma is an exceptionally rare tumor arising within a lymph node.

Observation:

  • A 32-year-old male, previously treated for tongue cancer with hemiglossectomy, neck dissection, and radiation therapy, presented with an enlarged cervical lymph node.
  • Biopsy revealed a high-grade spindle cell neoplasm.
  • Immunohistochemistry and electron microscopy confirmed smooth muscle differentiation, indicating leiomyosarcoma.

Findings:

  • The cervical lymph node mass was diagnosed as a primary intranodal leiomyosarcoma.
  • Extensive investigations ruled out metastatic disease or another primary malignancy.

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  • The tumor's origin was confirmed as smooth muscle.

    • Implications:

    • This case underscores the rare possibility of radiation-associated sarcoma presenting as primary intranodal leiomyosarcoma.
    • Accurate diagnosis requires careful histological examination and immunohistochemical analysis to differentiate from other spindle cell lesions.
    • Understanding this rare entity is crucial for the differential diagnosis of enlarged lymph nodes in patients with a history of radiation therapy.