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[Acroangiodermatitis and acral hyperstomia (author's transl)].

T Miura

    Dermatologica
    |January 1, 1975
    PubMed
    Summary

    Acroangiodermatitis, a skin condition linked to chronic venous insufficiency, affects the feet and toes. Differentiating it from similar conditions like acral hyperstomia is crucial due to differing prognoses.

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    Area of Science:

    • Vascular Medicine
    • Dermatology
    • Pathophysiology

    Context:

    • Acroangiodermatitis is a specific manifestation of Favre and Chaix's 'angiodermite'.
    • It commonly occurs in patients with chronic venous insufficiency, particularly affecting the dorsal feet and toes.
    • Postthrombotic syndrome significantly increases the incidence of acroangiodermatitis.

    Purpose:

    • To describe acroangiodermatitis and differentiate it from similar conditions.
    • To highlight the role of calf muscle pump insufficiency in the pathogenesis.
    • To discuss diagnostic challenges and potential misdiagnoses, including similarities with Kaposi sarcoma.

    Summary:

    • Acroangiodermatitis presents as skin changes on the feet and toes in chronic venous insufficiency patients.
    • Developmental arteriovenous malformations (e.g., Malan's syndrome) share clinical features but have a more severe prognosis.
    • Diagnostic tools like shunt volume determination are vital for differentiation. Both conditions stem from calf muscle pump failure leading to elevated capillary pressure.

    Impact:

    • Clarifies the distinction between acroangiodermatitis and arteriovenous malformations, aiding clinical management.
    • Emphasizes the importance of identifying the underlying cause of vascular changes in the lower extremities.
    • Provides insights into the pathophysiology of acroangiodermatitis and related disorders, informing future research and treatment strategies.

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