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Prader-Willi syndrome is characterized by 1) hypotonia in the newborn infant 2) obesity which begins in childhood 3) short stature 4) typical facial features 5) secondary hypogonadism 6) juvenile diabetes mellitus of the maturity-onset type 7) mental retardation The true etiology of Prader-Willi syndrome is still unknown ; however, a hypothalamic disturbance has been postulated. We experienced a 9 year... |