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Acral keratoderma.

L T Nesbitt, H Rothschild, H Ichinose

    Archives of Dermatology
    |June 11, 1975
    PubMed
    Summary
    This summary is machine-generated.

    This study describes a rare genetic skin condition, acral keratoderma, in three siblings. Autosomal recessive inheritance is suggested for this hyperkeratosis disorder.

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    Area of Science:

    • Dermatology
    • Clinical Genetics
    • Histopathology

    Background:

    • Keratoderma, a condition of thickened skin, presents with diverse clinical and genetic subtypes.
    • Previous descriptions of keratoderma hereditarium mutilans exist, but a distinct acral form warrants further investigation.

    Purpose of the Study:

    • To characterize a novel form of inherited keratoderma presenting in three siblings.
    • To investigate the clinical, histological, and inheritance patterns of this acral keratoderma.

    Main Methods:

    • Clinical examination of affected siblings.
    • Histopathological analysis of skin biopsies.
    • Pedigree analysis to determine inheritance pattern.

    Main Results:

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    • Affected siblings presented with diffuse and striate palmoplantar hyperkeratosis, dorsal hand/toe plaques, and linear lesions on extensor surfaces.
    • Histopathology revealed marked epidermal and stratum corneum thickening with dyskeratotic changes.
    • Pedigree analysis indicated an autosomal recessive inheritance pattern.

    Conclusions:

    • A distinct autosomal recessive acral keratoderma is identified, characterized by specific lesion locations and histological findings.
    • This condition shares similarities but also exhibits key differences compared to previously described keratoderma hereditarium mutilans.
    • Further research is needed to elucidate the specific genetic basis and molecular mechanisms of this acral keratoderma.