This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Skeletal System, Subject name: Radiology
[{'content': "Tufting of distal phalanx is characteristically seen in? \nSelect and explain. \nA. Gout, B. Psoriatic arthrophathy, C. Hypoparathyroidism, D. Paget's disease", 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans BTufting of distal phalynx is acroosteolysis caused heterogeneous group of pathological entities:Causes: (Remember as Mnemonic: PINCH OF Extremity- as it is almost as if the tip of the extremity is pinched off/resorbed)* Pyknodysostosis* Infection-Leprosy* Injury-Frostbite/electric injury* Neuropathic-Tabes dorsalls, Syringomyella, Diabetes* Cleidocranial dysplasia* Hyperparathyroidism* Other- Sarcoidosis, Kaposi's, Psoriasis* Familial disorders* Ergot poisoning", 'role': 'assistant'}]