Wednesday 21 September 2011

Hyperdense MCA sign

The “Dense MCA or dense vessel sign” is one of the early signs of acute MCA territory infarction.
Corresponds to a hyperdense cord like MCA main stem in the Sylvian fissure on CT.
Represents thrombotic material in main stem of the MCA.
During such a hyper acute to acute stage of infarct the adjacent brain parenchyma in the involved territory may show normal attenuation pattern.

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