QuestionSBA
QuestionChoice
Sacroiliitis is inflammation of the sacroiliac joints and can be diagnosed via an MRI scan. This patient likely has ankylosing spondylitis. Sacroiliitis is a diagnostic feature in the 'New York Diagnostic Criteria for Ankylosing Spondylitis'.
10003386
a
Sacroiliitis
QuestionChoice
Marginal erosions are not typically found in ankylosing spondylitis. They are mostly found in rheumatoid arthritis.
10003389
d
Marginal erosions
QuestionChoice
Squaring of the vertebrae is usually found in the spine of a patient with ongoing ankylosing spondylitis but is not a diagnostic finding.
10003388
c
Squaring of the vertebrae
QuestionChoice
Subchondral cysts are a common finding in arthritic diseases, including ankylosing spondylitis. However, they are not diagnostic of this condition.
10003390
e
Subchondral cysts
QuestionChoice
Syndesmophytes are the same as osteophytes, except they are found in the spine. Although they are found in ankylosing spondylitis, they are not diagnostic.
10003387
b
Syndesmophytes
Concept
Chapter
2693
3911
ankylosing spondylitis
Topic
146
Rheumatology
13224
A 22-year-old man presents to his GP with lower back pain, buttock pain and stiffness.

Which of the following features is most likely to suggest the underlying diagnosis?
a