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Eccrine nevus with epidermal changes.

S Imai, H Nitto

    Dermatologica
    |January 1, 1983
    PubMed
    Summary
    This summary is machine-generated.

    This case study describes a rare linear nevus on a young woman's leg, originating from malformed sweat glands. Histological analysis confirmed eccrine nevus, highlighting a unique presentation of this benign skin condition.

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    Area of Science:

    • Dermatology
    • Histopathology
    • Genetics

    Background:

    • Eccrine nevi are rare benign hamartomas originating from the eccrine sweat apparatus.
    • Linear nevi, also known as nevus linearis, present as a linear arrangement of lesions.
    • While typically congenital, the exact etiology of nevi remains under investigation.

    Observation:

    • A 22-year-old female presented with congenital papular lesions on her left leg in a linear distribution.
    • The lesions were located on the extensor aspect of the leg.
    • The patient's medical history indicated the lesions were present since childhood.

    Findings:

    • Histopathological examination revealed a malformed eccrine sweat apparatus with ductal hyperplasia.
    • The epidermis exhibited a serrated configuration.

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  • The findings were consistent with a diagnosis of eccrine nevus.

    • Implications:

    • This case contributes to the understanding of eccrine nevus, a rare adnexal tumor.
    • The linear presentation suggests a possible developmental field defect during embryogenesis.
    • Further research into the genetic and developmental pathways of eccrine nevi may elucidate their pathogenesis.