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Pleomorphic angioleiomyoma

J A Martínez1, E Quecedo, J M Fortea

  • 1Department of Dermatology, Valencia University General Hospital, Spain.

The American Journal of Dermatopathology
|August 1, 1996
PubMed
Summary
This summary is machine-generated.

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A rare benign tumor, angioleiomyoma, presented as a thigh nodule in a 72-year-old man. Unique histopathology showed significant nuclear variation without cell division, differing from typical cases.

Area of Science:

  • Oncology
  • Pathology
  • Dermatology

Background:

  • Angioleiomyomas are benign tumors typically arising from vascular smooth muscle.
  • They commonly present as small, painful nodules, often in the lower extremities.

Observation:

  • A 72-year-old male patient presented with a long-standing (12-year) single nodule in his right thigh.
  • Initial clinical presentation was consistent with a soft tissue tumor.

Findings:

  • Histopathological examination confirmed the diagnosis of angioleiomyoma.
  • A key finding was marked nuclear pleomorphism (variation in nuclear size and shape) without any observed mitotic figures (cell division).
  • This specific feature of significant nuclear atypia without proliferation is unusual for angioleiomyomas.

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Implications:

  • This case highlights the importance of thorough histopathological evaluation, as unusual features can occur even in benign entities.
  • The presence of marked nuclear pleomorphism in this angioleiomyoma may necessitate careful follow-up, despite the absence of mitotic activity.
  • Further research into the molecular mechanisms underlying nuclear atypia in angioleiomyomas could refine diagnostic criteria and prognostic understanding.