This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Pediatric orthopedics, Subject name: Orthopaedics
[{'content': 'Genu valgum deformity is seen in all except - \nSelect and explain. \nA. Rickets, B. Bone Dysplasia, C. Rheumatoid ahritis, D. Medial compament osteoahritis', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Genu valgum is the outward detion of the longitudinal axes of both tibia & femur .apex of the curve or angulations of the knee are medial. Causes can be * unilateral- trauma ,osteomyelitis ,tumor *bilateral - physiological : disappear by 4 years, - pathological : congenital disorders, idiopathic, developmental disorders (e.g epiphyseal dysplasia ) ,endocrine disorder like thyroid, metabolic disorder e.g rickets ,paralytic disorder , traumatic disorder , infective disorder, degenerative disorder,inflammatory disorder( e.g rheumatoid ahritis) REF:textbook of ohopedics, John ebnezer, 4th edition, pg.no.418', 'role': 'assistant'}]