Phenotype details |
onset infancy; severe developmental delay; developmental regression; dysostosis multiplex; short stature; coarse facial features; no macrocephaly; macroglossia; joint contractures; inguinal hernia, no umbilical hernia; obesity; heart valve involvement; no cardiomyopathy; no adenotomy, no tonsillectomy; no acute otitis media; hearing impairment; seizures; hydrocephalus |