Hahm Myong Hun, Woo Jungmin, Kim Ki Hong
Department of Radiology, School of Medicine, Kyungpook National University, Daegu, Repubic of Korea.
Department of Psychiatry, School of Medicine, Kyungpook National University, Daegu, Repubic of Korea.
Psychiatry Investig. 2018 May;15(5):546-549. doi: 10.30773/pi.2017.10.25.2. Epub 2018 Mar 30.
A 22-year-old man was admitted with gradually aggravating stereotypic head movement with hypomania. Brain magnetic resonance imaging showed a large suprasellar arachnoid cyst extending into the third ventricle, with obstructive hydrocephalus, characteristic of bobble-head doll syndrome. Endoscopic fenestration of the suprasellar arachnoid cyst was performed. Stereotypic head movement stopped immediately after surgery and hypomanic symptoms gradually improved within a month. During 4 years of follow-up observation without medication, neuropsychiatric symptoms did not relapse. We report our experience of surgically treating stereotypy and hypomania in a case of bobble-head doll syndrome and discuss the possible neuropsychiatric mechanisms of this rare disease.