Which of the following is NOT associated with ankylosing spondylitis:
Ankylosing spondylitis is an inflammatory disorder of unknown cause Primarily affects the axial skeleton; peripheral joints and extraaicular structuresOlder names: Marie-Strumpell disease or Bechterew's diseaseTypically associated with HLA-B27(ref:Harrison's 18/e p2774, 2775)
SLE
Reiter's syndrome
Psoriatic ahropathy
Crohn's disease
All India exam