Onychoheterotopia: Pathogenesis, presentation, and management of ectopic nail - 10/08/11
, Amor Khachemoune, MD c
Reprint requests: Rashid M. Rashid, MD, PhD, Department of Dermatology, MD Anderson Cancer Center, University of Texas–Houston, 6655 Travis St, Suite 980, Houston TX 77030.Abstract |
Background |
Onychoheterotopia is an extremely rare condition in which the nail tissue grows outside the classic nail unit of the dorsal fingers and toes. It presents as either small outgrowths of a deviant nail or a complete double fingernail malformation. The histology of the onychoheterotopia matrix is oftentimes very similar to the normal nail matrix, although it plays a central role in diagnosis.
Objective |
We sought to review the current literature on the clinical and histologic aspects of onychoheterotopia.
Methods |
A literature search was performed to evaluate peer-reviewed articles on the topic.
Results |
Detailed reports have characterized many features of onychoheterotopia. The various etiology and treatment options are reviewed.
Limitations |
The study was limited to those articles in the English-language literature.
Conclusions |
In this article, we provide a review of the literature based on the current understanding of onychoheterotopia, its diagnosis, and its management.
Il testo completo di questo articolo è disponibile in PDF.Key words : congenital palmar nail syndrome, ectopic nail, nail, nail surgery, onychodystrophy, onychoheterotopia
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| Funding sources: None. |
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| Conflicts of interest: None declared. |
Vol 64 - N° 1
P. 161-166 - gennaio 2011 Ritorno al numero
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