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Cellular angiolipoma.

S J Hunt1, D J Santa Cruz, R J Barr

  • 1Department of Pathology, St. John's Mercy Medical Center, St. Louis, MO 63141-8221.

The American Journal of Surgical Pathology
|January 1, 1990
PubMed
Summary
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Cellular angiolipomas present as painful subcutaneous nodules in healthy men. Histological analysis reveals dense cellular angiomatous tissue with spindle cells, distinguishing them from typical angiolipomas and other vascular tumors.

Area of Science:

  • Dermatology
  • Pathology
  • Oncology

Background:

  • Cellular angiolipomas are rare benign tumors.
  • They can present as multiple, painful subcutaneous nodules.

Observation:

  • Three cases of cellular angiolipoma in healthy men are presented.
  • Lesions were small (approx. 1 cm) and located on extremities and trunk.
  • Histology showed dense cellular angiomatous tissue (>95%) with prominent spindle cells.

Findings:

  • Cellular angiolipomas demonstrate a histological continuum with typical angiolipomas.
  • Key distinguishing features include encapsulation, intravascular fibrin thrombi, and septation.
  • Differential diagnosis includes spindle cell lipoma, Kaposi's sarcoma, and other vascular tumors.

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Implications:

  • Accurate histological differentiation is crucial for correct diagnosis.
  • Understanding the spectrum of angiolipoma histology aids in diagnosis.
  • These findings contribute to the understanding of benign vascular tumors.