The investigation of choice to detect a prolapsed intervertebral disc is?

UK PLAB 1
#1

The investigation of choice to detect a prolapsed intervertebral disc is?

  1. C T Scan

  2. MRI

  3. Myelography

  4. Radiograph

solution

MRI is the investigation of choice for P1D because it shows the following structures clearly

Prolapse of disc

Compression of cord Any problems with the discs above and below

Canal Stneosis

Associated features like Ligamentum flavum hypertrophy and facetal arthropathy