ANKYLOSING SPONDYLITIS Flashcards
1
Q
Which antigen is it associated with?
A
HLA-B27
2
Q
epidemiology
A
men
aged 20-30 years
3
Q
features
A
man lower back pain and stiffness
stiffness worse in morning
improves with exercise
patient experiences pain at night which improves on getting up
4
Q
onset
A
insidious
5
Q
clinical exam features
A
reduced lateral flexion
reduced forward flexion - Schober’s test - a line is drawn 10 cm above and 5 cm below the back dimples (dimples of Venus). The distance between the two lines should increase by more than 5 cm when the patient bends as far forward as possible
reduced chest expansion
6
Q
other features - the A’s
A
Apical fibrosis
Anterior uveitis
Aortic regurgitation
Achilles tendonitis
AV node block
Amyloidosis
cauda equina syndrome
peripheral arthritis (25%, more common if female)
