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Rous Sarcoma virus or RSV was discovered by F. Peyton Rous in the year 1911 as a filterable transmissible agent that could cause tumors in chickens. He won a Nobel Prize for this discovery in 1966. His experiments clearly demonstrated that some cancers could be caused by infectious agents and led to the discovery of many more cancer-causing viruses in animals as well as humans.
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An In Vitro Model for Studying Cellular Transformation by Kaposi Sarcoma Herpesvirus
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Acroangiodermatitis (pseudo-Kaposi sarcoma): three case reports.

Liborija Lugović1, Jana Pusić, Mirna Situm

  • 1University Department of Dermatology and Venereology, Sestre milosrdnice University Hospital, Vinogradska cesta 29, HR-10000 Zagreb, Croatia. liborija@yahoo.com

Acta Dermatovenerologica Croatica : ADC
|September 18, 2007
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Summary

Acroangiodermatitis, a skin condition resembling Kaposi sarcoma, presents as purple lesions on lower extremities, often linked to venous insufficiency. Early recognition and treatment are crucial for managing this benign dermatosis.

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Area of Science:

  • Dermatology
  • Vascular Medicine

Background:

  • Acroangiodermatitis is a benign vascular proliferation that can mimic Kaposi sarcoma.
  • It commonly affects the lower extremities, particularly in individuals with chronic venous insufficiency, arteriovenous malformations, or hemodialysis-related shunts.

Observation:

  • The study describes three cases of acroangiodermatitis presenting as livid-erythematous patches on the lower legs.
  • Lesions were associated with chronic venous insufficiency and treated at a Phlebology Unit.

Findings:

  • Histopathologic analysis confirmed acroangiodermatitis in all three cases.
  • Key differentiating features from Kaposi sarcoma include the absence of lesion progression, spindle cells, and silt-like vessels.

Implications:

  • Distinguishing acroangiodermatitis from Kaposi sarcoma is critical in clinical practice due to their differing prognoses and management.
  • Recommended treatments include topical corticosteroids, compressive bandages, and regular dermatologic follow-up.