A member asked:

If someone had obstructive hydrocephalus and the tumor was removed, but then they still had hydro afterwards, is it communicating or noncommunicating?

2 doctors weighed in across 2 answers

Communicating : As long as the tumor is gone, it's communicating.

Answered 1/30/2013

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Dr. Michael Ginsburg answered

Specializes in Interventional Radiology

Clarification : This is frequent cause of confusion as some terms used interchangeably. Noncommunicating hydrocephalus is commonly called obstructive hydrocephalus occurs when CSF flow is blocked along one of the narrow passages connecting the ventricles. In a case of tumor obstructing the CSF flow -preventing CSF communication with subarachnoid space. When tumor removed, if successful, obstruction is relieved.

Answered 6/10/2014

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