Summary Ectrodactyly-ectodermal dysplasia-cleft lip/palate (EEC) syndrome is an autosomal dominant form of ectodermal dysplasia associated with limb anomalies and orofacial clefting. The TP63 gene has been shown to be the cause of the disease, and some tentative genotype-phenotype correlations have been reported. We describe a familial case of EEC syndrome, diagnosed in two siblings affected by severe ectrodactyly and mild ectodermal dysplasia, without clefting. Moreover, one of the siblings had a history of delayed developmental milestones in the first years of life. Family history revealed mild hand malformations in the father and grandfather, who were not available for clinical evaluation. The TP63 gene molecular study showed in both siblings a heterozygous H208D mutation, which has not been previously reported to our knowledge, suggesting that this molecular lesion is associated with EEC syndrome without orofacial clefting
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