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Leptomeningeal cysts diagnosed by isotope cisternography
  1. D. Front,
  2. J. M. Minderhoud,
  3. J. W. F. Beks,
  4. L. Penning1
  1. Department of Neuroradiology, University Hospital, Groningen, The Netherlands
  2. Department of Neurology, University Hospital, Groningen, The Netherlands
  3. Department of Neurosurgery, University Hospital, Groningen, The Netherlands


    The diagnosis of leptomeningeal cysts by isotope cisternography is described in four cases. The cysts are visualized as abnormal local collections of the radiopharmaceutical, best demonstrated 48 hours after lumbar injection. The investigation makes it possible to diagnose the cyst at an early stage, before severe clinical symptoms and changes in the bones of the skull develop. Cases of leptomeningeal cysts in various areas of the brain are described.

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    • 1 Reprint requests: Professor Dr. L. Penning, University Hospital, Department of Neuroradiology, Groningen, The Netherlands.