Subungual exostosis - Nail and Distal Digit
Alerts and Notices
Synopsis

Codes
ICD10CM:D16.9 – Benign neoplasm of bone and articular cartilage, unspecified
SNOMEDCT:
26904005 – Subungual exostosis
Look For
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Diagnostic Pearls
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Differential Diagnosis & Pitfalls
- Subungual fibroma
- Subungual wart
- Onychomatricoma
- Osteosarcoma
- Acquired digital fibrokeratoma
- Giant cell tumor
- Subungual squamous cell carcinoma
- Epidermoid cyst
- Myxoid cyst
- Secondary subungual calcification due to trauma or psoriasis
- Ingrown toenail
- Amelanotic melanoma
- Osteochondroma
- Enchondroma
- Primary subungual calcification
Best Tests
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Management Pearls
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Therapy
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References
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Last Reviewed:02/04/2019
Last Updated:02/21/2019
Last Updated:02/21/2019