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Dermatology6 papers

Subungual exostosis

Last edited: 4/15/2026

Overview

Subungual exostoses are benign bony outgrowths arising from the distal phalanx beneath the nail plate, often presenting as painful nodules beneath the nail. 2

Diagnosis

  • Clinical presentation includes nail bed pain, nail deformity, and palpable mass 2
  • Radiographic imaging (X-ray) typically reveals the bony nature of the exostosis 2
  • Excisional biopsy may be necessary for definitive diagnosis and treatment 2

    • Management

  • Primary treatment involves surgical excision under local anesthesia 2
  • Post-operative care focuses on wound healing and preventing infection 2
  • No specific pharmacological treatments are mentioned beyond local anesthesia for surgery 2

    • Special Populations

  • No specific guidelines provided for pregnancy, pediatrics, elderly, or comorbidities in the given abstracts 2

    • Key Recommendations

  • Surgical excision is recommended for definitive management of symptomatic subungual exostoses (Evidence: Expert opinion 2)
  • Radiographic imaging should be utilized preoperatively to confirm the diagnosis and plan surgical approach (Evidence: Expert opinion 2)
  • Post-operative monitoring for complications such as infection is crucial in all patients undergoing excision (Evidence: Expert opinion 2)

    • References

    1 Smelt GJ. Exostoses of the internal auditory canal. The Journal of laryngology and otology 1984. link 2 Bendl BJ. Subungual exostosis. Cutis 1980. link

    Original source

    1. [1]
      Exostoses of the internal auditory canal. — Smelt GJ The Journal of laryngology and otology (1984)
    2. [2]
      Subungual exostosis. — Bendl BJ Cutis (1980)
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