QuestionSBA
QuestionChoice
Plain x-ray of the sacroiliac joints is the preferred method for diagnosing ankylosing spondylitis, as opposed to ultrasound scans which may not provide enough detail.
10002385
d
Ultrasound of sacroiliac joints
QuestionChoice
MRI spine may be considered in patients with suspected ankylosing spondylitis who show no signs of the disease on plain x-ray of the sacroiliac joints.
10002384
c
MRI spine
QuestionChoice
This patient is presenting with signs and symptoms characteristic of ankylosing spondylitis, given his back pain of insidious onset. A plain x-ray of the sacroiliac joints is the first imaging modality that should be performed to confirm the diagnosis. Signs of ankylosing spondylitis on x-ray include sacroiliitis, subchondral erosions, sclerosis, squaring of the lumbar vertebrae and syndesmophytes.
10002382
a
Plain x-ray of sacroiliac joints
QuestionChoice
According to NICE guidelines, there is currently no role for CT scans in the diagnosis of ankylosing spondylitis.
10002386
e
Non-contrast CT scan of sacroiliac joints
QuestionChoice
According to NICE guidelines, there is currently no role for CT scans in the diagnosis of ankylosing spondylitis.
10002383
b
Contrast CT scan of sacroiliac joints
Concept
Chapter
2693
3911
ankylosing spondylitis
Topic
146
Rheumatology
13023
A 28-year-old male presents to General Practice with worsening back pain and tiredness. His symptoms started a few months ago and appear to be worst in the morning, often improving with exercise.

Which of the following investigations should be considered first-line to confirm the most likely diagnosis?
a