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pseudotumor_cerebri [2015/09/27 05:24] – adminpseudotumor_cerebri [2025/04/18 20:40] (current) – external edit 127.0.0.1
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 +====== Idiopathic Intracranial Hypertension ====== 
 +A.K.A. Pseudotumor Cerebri
 +=====Diagnostic Criteria=====
 +====Required for diagnosis of the Pseudotumor Cerebri Syndrome (PTCS)====
  
 +  - Papilledema
 +  - Normal neurological examination except for cranial nerve abnormalities
 +  - Neuro-imaging:
 +    - Normal brain parenchyma without evidence of hydrocephalus, mass, or structural lesion and no abnormal meningeal enhancement on MRI, with and without gadolinium, for typical patients (female and obese)
 +    - MRI, with and without gadolinium, and MR venography for others.
 +    - If MRI is unavailable or contraindicated, contrast-enhanced CT may be used
 +  - Normal CSF Composition
 +  - Elevated LP opening pressure (> 280 mm H20, 250 mm H20 if not sedated or obese)
 +====Suggestive of Pseudotumor====
 +
 +===Three of the following MRI criteria===
 +
 +  - Empty sella
 +  - Flattening of the posterior aspect of the globe
 +  - Distention of the perioptic subarachnoid space +/- o.n. tortuosity
 +  - Transverse venous sinus stenosis
 +===Other===
 +
 +  * Headache
 +  * Transient visual obscurations
 +  * Pulse-synchronous tinnitus
 +  * Binocular diplopia
 +  * Neck, shoulder, or back pain
 +  * Improvement of symptoms after lumbar puncture
 +
 +===== Grading Disc Edema =====
 +
 +[[http://webeye.ophth.uiowa.edu/eyeforum/cases/papilledema-grading.htm|Eye Rounds]]
 +
 +
 +
 +=====Source=====
 +
 +Revised Diagnostic Criteria for the Pseudotumor Cerebri Syndrome in Adults and Children, Deborah I Friedman, MD Grant T. Liu, MD Kathleen B. Digre, MD, Presented at the North American Neuro-ophthalmology Society (NANOS) meeting, Snowbird, Utah, Feb. 12, 2013
 +
 +{{tag>iih}}