Dermoodontodysplasia: an eleven‐member, four generation pedigree with an apparently hitherto undescribed pure ectodermal dysplasia

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Abstract
A Caucasian family was verified to have 11 affected persons (7 women and 4 men) in four generations. A mild and variable clinical picture (dry, thin skin, dental involvement, and nail alteration) was verified in all the affected, with the exception of the propositus who has a more severe clinical picture, besides also having trichodysplasia. The segregation ratio (11 normal: 10 affected) verified in the offspring of the affected and other criteria permit the hypothesis of an autosomal dominant gene. This pure dysplasia was compared to 27 other conditions belonging to the tricho‐odonto‐onychial subgroup and proved to be different from all the others.