Radiologic Evaluation of Low Back Pain

Question 1

Numerous white densities of similar size seen throughout bone is a genetic condition called ________.

Answer 1

Osteopoikilosis

Question 2

The center of L3’s vertebral body should line up within 2-3 mm of the ________.

Answer 2

Sacral promontory

Question 3

Ossification along the anterior longitudinal ligament of the thoracic and lumbar spine is typically seen in ________.

Answer 3

Diffuse idiopathic skeletal hyperostosis

Question 4

Ossification of the ________ in the lumbar spine can result in syndesmophytes and is called “bamboo spine” in ankylosing spondylosis.

Answer 4

Annulus fibrosus

Question 5

A collar on the Scotty dog is indicative of a ________.

Answer 5

Pars interarticularis defect

Question 6

________ and ________ are more sensitive than plain film for detecting infection, Ander, disc pathology, and spinal stenosis.

Answer 6

CT, MRI

Question 7

On a T2 MRI, a dark disc usually means the disc is ________.

Answer 7

Dehydrated

Question 8

A patient with lumbar spinal stenosis can present with ________ which is characterized by leg pain during ambulation that improves with rest and my include numbness and pain radiating to the foot.

Answer 8

Pseudoclaudication

Question 9

A nerve root cyst commonly found isn’t the sacral nerve roots is known as a _______ cyst.

Answer 9

Tarlov

Question 10

CT is most useful for diagnosing ________ spinal column injury.

Answer 10

Thoracolumbar

Question 11

MRIs are used mainly to evaluate ________ and ________ associated with spinal column trauma.

Answer 11

Ligaments, soft tissues

Question 12

A imaging test that utilizes radioactive substance and deposits in areas of high bone turnover is known as a ________.

Answer 12

Bone scan

Question 13

Bone scans are typically followed by a ________ or a ________ to characterize lesions found.

Answer 13

CT, MRI

Question 14

The most common benign tumor of the spine is called a ________.

Answer 14

Osteoid osteoma