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Subungual exostosis

M A Brenner, R M Montgomery, S R Kalish

    Cutis
    |May 1, 1980
    PubMed
    Summary
    This summary is machine-generated.

    Subungual exostosis is a benign bony growth, often caused by trauma, that can be misdiagnosed as cancer. Early recognition is key for accurate diagnosis and treatment of this common digital lesion.

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    Area of Science:

    • Orthopedics
    • Dermatology
    • Podiatry

    Background:

    • Subungual exostosis is a benign bony overgrowth that occurs under the fingernail or toenail.
    • It is commonly associated with trauma, although the exact etiology is not fully understood.
    • This condition can present diagnostic challenges due to its varied appearance.

    Observation:

    • The review includes a comprehensive literature analysis and two illustrative case reports.
    • Clinical presentation often involves a painful, firm mass beneath the nail plate.
    • Radiographic imaging can aid in diagnosis, but biopsy may be necessary for definitive confirmation.

    Findings:

    • Subungual exostosis is frequently misdiagnosed, with a significant rate of confusion with malignant tumors.
    • Prompt identification is crucial to avoid unnecessary aggressive treatments or delayed management.

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  • The benign nature of subungual exostosis contrasts with its potential to mimic more serious conditions.

    • Implications:

    • Increased awareness among clinicians can improve diagnostic accuracy for subungual exostosis.
    • Including this entity in the differential diagnosis of digital lesions is essential.
    • Timely and accurate diagnosis prevents mismanagement and ensures appropriate patient care.