Clinical diagnosis of a rare inherited disease: Costello syndrome
The authors give the data available in the literature and their clinical observation of a child with Costello syndrome. The extremely rare genetic syndrome is characterized by persistent dysphagia that requires tube insertion or gastrostomy, by postnatal growth retardation, characteristic facial features; hyperrugosity of the skin; deep skin folds on the palms and soles, skin hyperpigmentation, papillomas of the nasal vestibule and around the mouth, and intellectual retardation.