... disease in a patient with Prader-Willi syndrome: a case reportManabu Yanagita, Hiroyuki Hirano, Mariko Kobashi, Takenori Nozaki, Satoru Yamada, Masahiro Kitamura andShinya Murakami*AbstractIntroduction: ... ipshinya@dent.osaka-u.ac.jpDepartment of Periodontology, Division of Oral Biology and Disease Control,Osaka University Graduate School of Dentistry, 1-8 Yamadaoka, Suita, Osaka565-0871, JapanYanagita et al. ... feet, facial dysmor-phy, narrow hands with straight ulnar border, delayedbone age and joint hyperlaxity. Characteristics of thissyndrome indicate hypothalamic dysfunctio n, and t heincidence...