Radiological Ankylosing Spondylitis of the Spine

Eric A. Brandser, M.D.
Peer Review Status: Internally Peer Reviewed

AP and lateral views of the lumbosacral spine show classic changes of ankylosing spondylitis. Note bilateral symmetric sacroiliac erosive changes with sclerosis. Characteristically, delicate vertical syndesmophytes bridge multiple vertebra causing a “bamboo spine”. On the lateral view, annular calcification is noted causing the appearance of squared vertebral bodies.

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Copyright protected material used with permission of the author and the University of Iowa’s Virtual Hospital,