This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Musculo Skeletal Disorders, Subject name: Pediatrics
The following finding is found in: 
Select and explain. 
A. Muscular dystrophy, B. Neuropathy, C. GBS, D. Polymyositis
A: Muscular dystrophy
Answer: A: Muscular dystrophy 
Explanation: a. Muscular dystrophy(Ref: Nelson's 20/e p 2976-2977)The given picture shows pseudohypertrophy of calf muscles, characteristically seen in Duchenne muscular dystrophy;Enlargement is caused by hypertrophy of some muscle fibers, infiltration of muscle by fat & proliferation of collagen.