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Radiology · Spine imaging: spinal trauma
Sample itemA patient with neck pain after a diving accident has a normal lateral cervical spine radiograph, but persistent neurological deficits. Which investigation best assesses the cord injury?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
C. MRI of the cervical spine
MRI shows cord oedema, haemorrhage, ligamentous injury and disc disruption, and defines prognosis. CT is the best test for bony injury. A normal radiograph does not exclude an unstable injury or spinal cord injury without radiographic abnormality.
Option by option
A. Repeat plain film
A repeat film adds little.
B. Bone scan
A bone scan is not used in acute trauma.
C. MRI of the cervical spine (correct)
Correct. MRI shows cord and ligament injury.
D. Ultrasound
Ultrasound cannot assess the cord through bone in adults.
Source note: Original NextPrep sample item — pending expert review. This item is original practice material awaiting independent expert review, so confirm important facts in a standard textbook.
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