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Bullous amyloidosis

P Westermark, S Ohman, M Domar

    Archives of Dermatology
    |December 1, 1981
    PubMed
    Summary
    This summary is machine-generated.

    Skin fragility and bullae are common in myeloma-associated amyloidosis. These unique intradermal bullae result from amyloid deposits within the skin, differing from typical subepidermal blistering.

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    Area of Science:

    • Dermatology
    • Hematology
    • Pathology

    Background:

    • Systemic amyloidosis involves variable amyloid deposition patterns.
    • Skin manifestations are frequently observed in primary and myeloma-associated amyloidosis.
    • Amyloidosis can lead to significant skin fragility and blistering.

    Observation:

    • Three patients with myeloma-associated amyloidosis presented with bullae.
    • These bullae were associated with signs of increased skin fragility.
    • Histological examination revealed cleavage within extensive dermal amyloid deposits.

    Findings:

    • The bullae observed in these patients were intradermal.
    • This contrasts with the typical subepidermal location of bullae in other conditions.
    • Dermal amyloid deposition is the direct cause of these unique bullae.

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    Implications:

    • Understanding the intradermal nature of bullae in this context is crucial for diagnosis.
    • This finding highlights a specific dermatopathological feature of myeloma-associated amyloidosis.
    • Further research into the mechanisms of amyloid deposition and skin cleavage is warranted.