MedGen

Cohen syndrome is characterized by failure to thrive in infancy and childhood; truncal obesity in the teen years; early-onset hypotonia and developmental delays; microcephaly developing during the first year of life; moderate to profound psychomotor retardation; progressive retinochoroidal dystrophy and high myopia; neutropenia in many with recurrent infections and aphthous ulcers in some; a cheerful disposition; joint hypermobility; and characteristic facial features. [from GeneReviews]

Impaired intellectual development, truncal obesity, retinal dystrophy, and micropenis syndrome (MORMS) is an autosomal recessive disorder characterized by these findings (Hampshire et al., 2006). [from OMIM]

Truncal obesity with onset during childhood, defined as between 2 and 10 years of age. [from HPO]