The CISS Sequence in the Preoperative MRI Assessment of Neuroendoscopic Third Ventriculostomy

  • Norman S. McConachie


Neuroendoscopic third ventriculostomy (NTV) is a well-established technique for the management of patients with hydrocephalus [6, 10, 11–13]. It is of particular value for patients in need of long-term cerebrospinal fluid (CSF) diversion who formerly often required frequent shunt revision [25]. Imaging has an important role in diagnosing the underlying cause of hydrocephalus. In addition, as the primary disease and the secondary changes from hydrocephalus and shunting can obscure the normal endoscopic intraventricular landmarks, imaging can provide anatomical information that helps to guide the surgical approach, identify potential hazards, and assist with selection of the type of neuroendoscope to be used. Moreover, those who are likely or unlikely to benefit from the procedure can be identified by, for instance, demonstrating dense basal arachnoiditis, which can compromise the success of NTV. Imaging also has an important role in the postoperative assessment of ventriculostomy patency [4],[7],[14],[16],[18].


Spin Echo Basal Cistern Mamillary Body Noncommunicating Hydrocephalus Magnetic Resonance Imaging Velocity 
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Copyright information

© Springer-Verlag Italia 2005

Authors and Affiliations

  • Norman S. McConachie
    • 1
  1. 1.Imaging CentreUniversity HospitalNottinghamUK

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