Cohen syndrome

Cohen syndrome
OMIM	216550
DiseasesDB	29622

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Synonyms and keywords: Pepper syndrome, Cervenka syndrome

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Overview

Cohen syndromenamed after Michael Cohen, William Pepper and Jaroslav Cervenka, who researched the illness is believed to be a gene mutation at locus 8q22 gene COH1. Cohen syndrome has several characteristics such as obesity, mental retardation and craniofacial dysmorphism. It has an autosomal recessive transmission with variable expression.

Cohen syndrome is diagnosed by clinical examination, but often difficult due to variation in expression.

Ocular complications, though rare, are listed as optic atrophy, microphthalmia, pigmentary chorioretinitis, hemeralopia (decreased vision in bright light), myopia, strabismus, nystagmus and iris/retinal coloboma.

General appearance is obesity with thin/elongated arms and legs. Micrognathia, short philtrum, and high vaulted palate are common. Variable mental retardation with occasional seizure and deafness also is characteristic of Cohen syndrome.

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