sacroilitis

Ankylosing Spondylitis

Definition

 

A HLA B27 positive, seronegative spondyloarthropathy with sacroiliac joint & spine involvement

Mainly affects the cartilaginous joints of the axial skeleton

 

Diagostic Criteria (1966 New York)

 

1. Positive X-ray Sacroiliitis

 

Sacroilitis Ankylosing Spondylitis