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    Subungual exostosis is a rare benign osteocartilaginous tumor, of unknown etiology, that affects the subungual part of the distal phalanx and predominantly affects adolescent females. The objective of this study is to evaluate the results of surgical treatment of subungual exostosis in pediatric patients by means of surgical excision and nail preservation. We present a retrospective study, including pediatric patients with subungual exostosis who underwent surgical treatment in a single institution, over a 6-year period, We describe the surgical technique used, the characteristics of the patients and lesions, and evaluate the results obtained in terms of function, satisfaction and complications. Thirteen patients were included in this study, seven female (54%) and six male (46%), median age 11 years old. The most common location was the hallux, in eight patients (73%). Patients had good functional results with a median American Orthopedic Foot & Ankle Society score of 100 [80; 100] and a median personal satisfaction score of 9. The median follow-up was 30 [3;68] months. In our patients, subungual excision with nail bed preservation, allows a good balance between the radical excision of the exostosis and the preservation of the natural protection granted by the native nail, yielding good functional results and patient satisfaction.


    Diogo Pascoal, Inês Balacó, Cristina Alves, Pedro Sá Cardoso, Tah Pu Ling, Gabriel Matos. Subungual exostosis - treatment results with preservation of the nail bed. Journal of pediatric orthopedics. Part B. 2020 Jul;29(4):382-386

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    PMID: 32195759

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