Journal of Korean Neurosurgical Society

The Korean Neurosurgical Society (대한신경외과학회)
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Two Cases of Intraventricular Arachnoid Cysts - Case Report -

뇌실내 지주막 낭종 - 증례보고 -

  • Bang, Jae Seung (Department of Neurosurgery, Seoul National University College of Medicine) ;
  • Oh, Chang-Wan (Department of Neurosurgery, Seoul National University College of Medicine) ;
  • Kim, Myoung Soo (Department of Neurosurgery, Seoul National University College of Medicine) ;
  • Choe, Ghee Young (Department of Pathology, Seoul National University College of Medicine) ;
  • Cho, Byung-Kyu (Department of Neurosurgery, Seoul National University College of Medicine) ;
  • Hong, Seung-Koan (Department of Neurosurgery, Kangwon National University College of Medicine) ;
  • Han, Dae Hee (Department of Neurosurgery, Seoul National University College of Medicine)
  • 방재승 (서울대학교 의과대학 신경외과학교실) ;
  • 오창완 (서울대학교 의과대학 신경외과학교실) ;
  • 김명수 (서울대학교 의과대학 신경외과학교실) ;
  • 최기영 (서울대학교 의과대학 병리학교실) ;
  • 조병규 (서울대학교 의과대학 신경외과학교실) ;
  • 홍승관 (강원대학교 의과대학 신경외과학교실) ;
  • 한대희 (서울대학교 의과대학 신경외과학교실)
  • Received : 2001.01.18
  • Accepted : 2001.07.02
  • Published : 2001.07.28
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Abstract

Intraventricular arachnoid cyst has been rarely reported. Here we present two cases of symptomatic intraventricular arachnoid cysts in the fourth ventricle and right lateral ventricle. The first patient was a 38-year-old female who complained of headache and left facial hypesthesia. Computed tomography and MR scan revealed large cystic lesion in the fourth ventricle. After cyst wall removal, facial hypesthesia disappeared immediately and headache improved slowly. The second patient was a 9-year-old girl who complained of headache, vomiting and paresthesia in her right low extremity. Cystic lesion in the right lateral ventricle was detected in the CT and MR scan. The symptoms improved after cyst wall removal. Surgical findings of these two cases showed that the cyst walls were attached firmly to the choroid plexus. Symptomatic intraventricular arachnoid cyst must be treated appropriately and we recommend complete cyst wall removal.

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