This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Surgery
All of the following are features of pyle disease except 
Select and explain. 
A. It is an autosomal recessive disease, B. It is an epiphyseal dysplasia, C. Mental retardation is uncommon, D. Dental caries and mandibular prognathism
B: It is an epiphyseal dysplasia
Answer: B: It is an epiphyseal dysplasia 
Explanation: Answer- B. It is an epiphyseal dysplasiaMetaphyseal dysplasia, also known as Pyle's disease, Pyle's syndrome, Pyle-Cohn syndrome, and Bakwin-Krida syndrome is a rare disease in which the outer pa ofthe shafts oflong bones is thinner than normal and there is an increased ihance of fractures.