Korean Journal of Biological Psychiatry (생물정신의학)

The Korean Society of Biological Psychiatry (대한생물정신의학회)
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A Case of Transient Psychosis Suspected to be Induced by Arachnoid Cyst, Which was Responsive to Risperidone

거미낭으로 일과성 정신병 유발이 의심되고 리스페리돈 치료에 효과적이었던 증례

  • Bahk, Won-Myong (Department of Psychiatry, St. Mary's Hospital, College of Medicine, The Catholic University of Korea) ;
  • Pae, Chi-Un (Department of Psychiatry, St. Mary's Hospital, College of Medicine, The Catholic University of Korea) ;
  • Jun, Taeyoun (Department of Psychiatry, St. Mary's Hospital, College of Medicine, The Catholic University of Korea) ;
  • Kim, Kwang-Soo (Department of Psychiatry, St. Mary's Hospital, College of Medicine, The Catholic University of Korea) ;
  • Lew, Tae-Yul (Department of Psychiatry, St. Mary's Hospital, College of Medicine, The Catholic University of Korea)
  • 박원명 (가톨릭대학교 의과대학 정신과학교실) ;
  • 배치운 (가톨릭대학교 의과대학 정신과학교실) ;
  • 전태연 (가톨릭대학교 의과대학 정신과학교실) ;
  • 김광수 (가톨릭대학교 의과대학 정신과학교실) ;
  • 유태열 (가톨릭대학교 의과대학 정신과학교실)
  • Published : 2001.06.30
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Abstract

There had been few reports of arachnoid cyst accompanying psychiatric disturbance and no report treated with low-dose risperidone administration. We report a patient, developed first-transient psychotic episode considered to be provoked by an arachnoid cyst, responsive to risperidone, which was found in the middle cranial fossa as follows. A 57-year-old man was admitted by suddenly developed headache, auditory hallucination, delusion of persecution and, an arachnoid cyst in the anteromedial aspect of middle cranial fossa was found on MRI after admission. The psychotic episode was first to him and he was also negative to other clinical evaluation including endocrine abnormality, his psychotic symtom was suspected to be induced by arachnoid cyst and was well controlled to low-dose risperidone administration. He left hospital free from psychotic symptoms on 14 hospital days.

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