Brain Tumor Res Treat.  2021 Apr;9(1):31-34. 10.14791/btrt.2021.9.e6.

Cerebellar Glioependymal Cyst

  • 1Department of Neurosurgery, Dongsan Hospital, Keimyung University School of Medicine, Daegu, Korea


Glioependymal cyst (GEC) is an uncommonly observed clinical entity in the posterior cranial fossa. A 36-year-old female with cystic lesion in the right cerebellum was hospitalized for evaluating headache and dizziness. Brain images showed a well-defined, ovoid mass adjacent to the fourth ventricle. After drainage and excision of the cyst, the patient became symptom free. Pathology examination disclosed low cuboidal epithelium and glial cells in the cyst wall. The radiological features, neurological manifestations, and the operations for GECs of the present localization are described in this short communication.


Glioependymal cyst; Neuroepithelial cyst; Cerebellum


  • Fig. 1 Radiology of glioependymal cyst in the cerebellum. A and B: The signal intensities of lesion are identical to cerebrospinal fluid in both T2-weighted and fluid attenuated inversion recovery MRI images. C: No abnormal enhancement is observed after gadolinium administration. D: Dynamic CT taken 15 years after the surgery depicts disappearance of the lesion.

  • Fig. 2 Microphotography exhibits stratified flattened cuboidal epitheliums and underlying neuroglial tissue in the cyst wall (H&E, ×200).


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