Bamboo spine is seen in -: (A) Ankylosing spondylitis, (B) RA, (C) Paget's disease, (D) Fibrous dysplasia
Answer is A. Radiological features of Ankylosis spondylitis are : Sacroiliitis Enthesopathy Romanus lesions Bamboo spine Rugger Jersy spine Interveebral disc calcification Dagger sign Trolley track sign Squarring of veebrae.