" /> Intellectual developmental disorder, belgian type - CISMeF





Preferred Label : Intellectual developmental disorder, belgian type;

Type : Other, mainly phenotypes with suspected mendelian basis;

Alternative titles and symbols : Mental retardation syndrome, belgian type;

Description : Fryns et al. (1990) described a family in which 4 (3 males and 1 female) of 12 children from healthy, nonconsanguineous parents had a combination of moderate mental retardation, peculiar craniofacial dysmorphism, hypergonadotropic hypogonadism, eunuchoid habitus, diabetes mellitus, and epilepsy. All were investigated as adults. The diabetes was type I beginning in the teens. The craniofacial features included a narrow-based but broad nose with coloboma of the alae nasi, deep-set eyes, and a long face with relative mandibular prognathism. *FIELD* RF 1. Fryns, J. P.; Vogels, A.; van den Berghe, H.: Mental retardation, craniofacial dysmorphism, hypogonadism, diabetes mellitus and epilepsy in four siblings: a 'new' mental retardation syndrome. Clin. Genet. 37: 111-116, 1990. *FIELD* CS Neuro: Moderate mental retardation; Seizures;

Inheritance : Autosomal recessive;

Prefixed ID : 249599;

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09/06/2025


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