Witkop syndrome

Tooth and nail syndrome
Classification and external resources
ICD-10	Q82.4
OMIM	189500
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Tooth and nail syndrome (also known as "Hypodontia with nail dysgenesis," and "Witkop syndrome") is a rare disorder, first described in 1965, characterized by nails that are thin, small, and friable, and which may show koilonychia at birth.

It is associated with MSX1.

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