Pseudo-Hyperdense Middle Cerebral Artery in HSV Encephalitis (P02.025)

CONCLUSIONS: A hyperdense middle cerebral artery 'sign' can be associated with acute thrombus1, but several conditions (including encephalitis related cerebral edema) can give the appearance of a 'pseudo'-hyperdense MCA 'sign'.2 REFERENCES 1. Barber PA, Demchuk AM, Hudon ME, Pexman JH, Hill MD, Buchan AM. Hyperdense sylvian fissure MCA "dot" sign: A CT marker of acute ischemia. Stroke. 2001 Jan;32(1):84-8. 2. Jha B, Kothari M. Pearls & oy-sters: hyperdense or pseudohyperdense MCA sign: a Damocles sword? Neurology. 2009 Jun 9;72(23):e116-7.Disclosure: Dr. Kenmuir has nothing to disclose. Dr. Totoraitis has nothing to disclose. Dr. Jovin has received personal compensation for activities with Covidien, Concentric Medical Inc., Stryker Consulting, and Silk Road Medical. Dr. Jovin has received personal compensation in an editorial capacity for Journal of Neuroimaging. Dr. Jadhav has nothing to disclose.
Source: Neurology - Category: Neurology Authors: Tags: P02 Cerebrovascular Disease II Source Type: research