This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Osteochondroses, Subject name: Orthopaedics
[{'content': "Kienbock's disease is osteochondritis of which bone? \nSelect and explain. \nA. Lower pole of patella, B. Lunate, C. Capitellum, D. Navicular", 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Lunate OsteochondritisNameBoneKienbocks diseaseLunatePerthes diseaseFemoral headPanners diseaseCapitullumPreiser's diseaseScaphoidJohansson Larson's diseaseOsteochondritis of lower pole of patellaFreiberg's DiseaseOsteochondritis of 5th metatarsal headCalves's diseaseCentral bony nucleus of vertebral bodyScheurman's diseaseRing apophysis of vertebraKohlers diseaseNavicularSever's diseaseCalcaneal tuberosityOsgood schattler diseaseTibial tubercle", 'role': 'assistant'}]