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Cutaneous angiolipoleiomyoma.

J E Fitzpatrick1, J R Mellette, R J Hwang

  • 1Department of Medicine, Fitzsimons Army Medical Center, Aurora, CO 80045.

Journal of the American Academy of Dermatology
|December 1, 1990
PubMed
Summary
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This study details eight cases of cutaneous angiolipoleiomyoma, a rare skin tumor. These acquired, solitary nodules occurred on the extremities in adults, distinct from tuberous sclerosis-associated tumors.

Area of Science:

  • Dermatopathology
  • Surgical Pathology
  • Oncology

Background:

  • Cutaneous angiolipoleiomyoma is an exceptionally rare tumor, with only one prior report documented as cutaneous angiomyolipoma.
  • Understanding the clinical and histological spectrum of rare cutaneous neoplasms is crucial for accurate diagnosis and patient management.

Purpose of the Study:

  • To present a series of eight cases of cutaneous angiolipoleiomyoma.
  • To characterize the clinical presentation, histological features, and demographic data of this rare tumor.

Main Methods:

  • Case series review of eight patients diagnosed with cutaneous angiolipoleiomyoma.
  • Clinical data collection including patient age, sex, and tumor location.
  • Histopathological examination of tumor morphology, including smooth muscle, vascular components, connective tissue, and adipose tissue.

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Main Results:

  • Eight acquired, solitary, asymptomatic acral nodules were identified.
  • Patients ranged from 33 to 77 years (median 52.6 years) with a 7:1 male/female ratio.
  • Histology revealed subcutaneous tumors with variable proportions of smooth muscle and mature fat, alongside vascular spaces and connective tissue; some vessels lacked elastic laminae.

Conclusions:

  • Cutaneous angiolipoleiomyoma presents as a distinct entity, typically as an acquired, solitary, acral nodule in adults.
  • The histological composition is variable, featuring smooth muscle, vascular elements, and mature fat.
  • Absence of tuberous sclerosis or renal angiomyolipoma signs suggests a non-syndromic etiology for these cutaneous tumors.