Trichoodontoonychial dysplasia is a rare ectodermal dysplasia syndrome characterized by severe generalized hypotrichosis, parietal alopecia, secondary anodontia resulting from enamel hypoplasia, onychodystrophy, bone deficiency in the frontoparietal region and skin manifestations (incl. nevus pigmentosus, papules, ephelides, palmoplantar keratosis, supernumerary nipples, abnormal dermatoglyphics). There have been no further descriptions in the literature since 1983.
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ADULT syndrome
MONDO:0007072
autosomal dominant palmoplantar keratoderma and congenital alopecia
MONDO:0007083
ameloonychohypohidrotic syndrome
MONDO:0007095
ankyloblepharon-ectodermal defects-cleft lip/palate syndrome
MONDO:0007124
anonychia with flexural pigmentation
MONDO:0007131
Böök syndrome
MONDO:0007207