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[Pigmentation and venous stasis].

J F Merlen, J Coget, A M Sarteel

    Phlebologie
    |October 1, 1983
    PubMed
    Summary
    This summary is machine-generated.

    Venous diseases can cause skin pigmentation due to blood pigments like haemosiderin, resulting from red blood cell leakage. Melanin

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    Area of Science:

    • Vascular Medicine
    • Dermatology
    • Pathology

    Context:

    • Local pigmentations are common in venous diseases.
    • These pigmentations are often secondary to venous stasis.
    • Blood pigments, primarily haemosiderin, are the usual cause.

    Purpose:

    • To elucidate the mechanisms behind skin pigmentation in venous diseases.
    • To differentiate the roles of haemosiderin and melanin in stasis-related pigmentation.
    • To understand the microvascular and tissue consequences of venous stasis leading to pigmentation.

    Summary:

    • Venous stasis leads to extravasation of red blood cells, causing haemosiderin deposition in the dermis.
    • Melanin's role in venous disease pigmentation is less understood, possibly involving stimulation of dermal melanocytes.

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  • Pigmentation is a component of the microangiopathy of stasis, also seen after sclerotherapy.

    • Impact:

    • Provides insight into the pathophysiology of skin changes in chronic venous insufficiency.
    • Highlights the role of microangiopathy in stasis-induced pigmentation.
    • Contributes to understanding treatment outcomes, such as post-sclerotherapy pigmentation.