Disc bulge and focal disc protrusion

Case contributed by Dr Bruno Di Muzio

Patient Data

Age: 55
Gender: Female

Disc bulging in L2-L3. Focal left paramedian/central disc protrusion in L3-L4 and focal central disc protrusion in L4-L5 and L5-S1.

Annotated image

Disc bulging in L2-L3. Focal left paramedian/central disc protrusion in L3-L4 and focal central disc protrusion in L4-L5 and L5-S1.

Case Discussion

A bulge involves more than half of the circumference of an intervertebral disc (greater than 180 degrees) whereas a disc herniation involves less than half. A focal disc protrusion occur when its base involves less than 90 degrees of the disc circumference.

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Case information

rID: 32037
Case created: 10th Nov 2014
Last edited: 10th Sep 2015
Inclusion in quiz mode: Included

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