Radiology Notes

My notes during radiology residency, fellowship, and beyond…

Archive for January 2011

Disc Disease Nomenclature

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Divide axial disc into 4 quadrants of 25%:

Focal Herniation = <25% [pic] (protusion type or extrusion type) [pic]

Broad based Herniation = 25-50% [pic]

Bulge = >50% normal disc circumference.

Symmetric Disc Bulging = 100% [pic]

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Written by lmwong

January 5, 2011 at 4:00 pm

Posted in classification, neuro, spine