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cutaneous reactive angiomatose

Friday 25 November 2005

Types

- cutaneous reactive angioendotheliomatosis
- acroangiodermatitis (pseudo-Kaposi sarcoma)
- diffuse dermal angiomatosis
- intravascular histocytosis
- glomeruloid angioendotheliomatosis
- angiopericytomatosis (angiomatosis with cryoproteins)

Synopsis

- propensity to involve limbs
- macroscopy

  • multiple, erythematous-violaceous
  • purpuric patches
  • purpuric plaques
  • necrosis
  • ulceration

- microscopy

  • intravascular or extravascular
  • lobular pattern
  • diffuse pattern
  • hyperplasia of endothelial cells, pericytes, and sometimes histiocytes

Differential diagnosis

- vascular tumors

References

- Rongioletti F, Rebora A. Cutaneous reactive angiomatoses: patterns and classification of reactive vascular proliferation. J Am Acad Dermatol. 2003 Nov;49(5):887-96. PMID: 14576670