Flowing wax appearance on anterior borders of veebrae is seen in-: (A) Ankylosing spondylitis, (B) DISH, (C) Psoriatic ahropathy, (D) Rheumatoid ahritis
Answer is B. Calcification of Anterior longitudinal ligament- DISH; Diffuse Idiopathic skeletal hyper osteosis Calcification of posterior longitudinal ligament -OPLL: Ossified posterior longitudinal ligament - JAPAN: Disease Ossification / calcification of interosseous membrane - FLUOROSIS