We report a classical case of Prader-Willi syndrome (PWS) in an adult with typical interstitial deletion of chromosome 15, and emphasize the study of hormonal change. This 21-year-old female had PWS face characteristics, small hands and feet, marked obesity, mental retardation, growth retardation, absence of puberty and amenorrhea. She also had the characteristic history of infantile hypotonia, poor feeding, failure to thrive and then improved appetite, followed by obesity from the age of four years. She had compulsive hyperphagia, to the extent of stealing and lying to take food. Chromosome study with high resolution banding technique revealed a small interstitial deletion at band q12 of chromosome 15, which is characteristically found in a majority of patients with PWS. Hormonal study revealed hypogonadism and growth hormone deficiency of supposed hypothalamic origin. She also had non-insulin-dependent diabetes mellitus with decreased pancreatic insulin reserve.
|Number of pages||4|
|Journal||Journal of the Formosan Medical Association = Taiwan yi zhi|
|Publication status||Published - Apr 1994|
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