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[Cutaneous cholesterol emboli (author's transl)]

W M Stewart, P Lauret, J Testart

    Annales De Dermatologie Et De Venereologie
    |January 1, 1977
    PubMed
    Summary
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    Cutaneous cholesterol emboli, often from abdominal aortic disease, present as livedo reticularis and skin lesions. Diagnosis requires histopathology revealing cholesterol crystals in blood vessels.

    Area of Science:

    • Vascular Medicine
    • Dermatology
    • Pathology

    Background:

    • Cutaneous cholesterol emboli are a rare condition.
    • Often originating from abdominal atheromatous aortitis or aneurysms.
    • Can be triggered by vascular procedures like surgery or angiography.

    Observation:

    • A review of 51 cases (50 literature, 1 personal) highlights male prevalence.
    • Cutaneous lesions commonly mimic polyarteritis nodosa.
    • Key features include livedo reticularis, skin nodes, purple toes, ulcers, and gangrene, primarily affecting the abdomen and lower extremities.

    Findings:

    • Histopathological examination is crucial for diagnosis.
    • Reveals characteristic "negative" images of cholesterol crystals within an obliterative arteriolitis.

    Related Experiment Videos

  • A prominent macrophagic granuloma centered on the affected vessel is noted.

    • Implications:

    • Understanding the origin and presentation of cholesterol emboli aids diagnosis.
    • Distinguishing these emboli from other vasculitides is critical for appropriate management.
    • Highlights the diagnostic value of histopathology in identifying microvascular cholesterol deposition.