Fig. 1
From: Identification of ANKDD1B variants in an ankylosing spondylitis pedigree and a sporadic patient
Medical images of AS9 patients. a X-ray pictures of the sacroiliac joints of the proband, AS9_1, before (left) and after (right) joint replacement surgery. Arrows indicate erosion of the right joint before the surgery (left) and the artificial joint after the surgery (right). b Medical images of patient AS9_2, showing the deformation of the thoracic spine due to ankylosis (left). X-ray pictures showing the “bamboo”-like spines of AS9_2 (right). Arrows point to the sites of fused vertebrae. c Sacroiliitis of patient AS9_9 detected by X-ray photography