Fluctuating hemiparesis caused by a quadrigeminal arachnoid cyst: Case report

Cheuk Wah Wong, Shih Tseng Lee, Tai Ngar Lui, Tony Wu, Ling Li Wu

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)


A 42-year-old woman presented with intermittent hemiparesis mimicking a reversible ischemic neurologic deficit. Magnetic resonance imaging (MRI) demonstrated a compression of the left side of the midbrain by a quadrigeminal arachnoid cyst without hydrocephalus. After the cystic wall was widely excised under operating microscope, the patient made a good recovery and remained well at a follow-up of 18 months. The absence of hydrocephalus in a symptomatic patient with a quadrigeminal cyst was exceptional, which might result from the early diagnosis with MRI. The use of microsurgical technique made it possible to excise the cystic wall widely and omit a shunting procedure.

Original languageEnglish
Pages (from-to)193-195
Number of pages3
JournalSurgical Neurology
Issue number2
Publication statusPublished - Feb 1996
Externally publishedYes


  • Arachnoid cyst
  • hemiparesis
  • hypesthesia
  • magnetic resonance imaging
  • quadrigeminal plate

ASJC Scopus subject areas

  • Clinical Neurology
  • Surgery


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