A member asked:

I have pseudotumor cerebri and my opthalmologist wants me to have a spinal tap done. is there any other way he could diagnose it without spinal tap?

6 doctors weighed in across 3 answers
Dr. Tim Conrad answered

Specializes in Ophthalmology

No: You really cannot be diagnosed with pseudotumor cerebri without having this done. Until then, it is just suspected.

Answered 11/28/2017

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No: Must have spinal tap to get confirmatory diagnosis!

Answered 8/29/2016

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Pseudotumor cerebri: The only direct way to document that the spinal fluid pressure is too high is with a spinal tap. There are indirect ways to diagnose high spinal fluid pressure based on radiological features seen on an MRI scan of the brain and by documenting that papilledema is present.

Answered 8/29/2016

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