This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Musculoskeletal Radiology, Subject name: Radiology
[{'content': 'Following pathology on x-ray can be seen in? \nSelect and explain. \nA. Psoriasis, B. Osteoahritis, C. Gouty Ahritis, D. Ankylosing spondylitis', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Licked candy stick appearance refers to tapering of the tips of the metacarpal bones, metatarsal bones, phalanges or clavicles and is usually associated with: *Psoriatic ahropathy *Rheumatoid ahritis *Leprosy *Neuropathic joint', 'role': 'assistant'}]