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
Vertebral plana is a finding in a child with 
Select and explain. 
A. Hyperparathyroidism, B. Osteomalacia, C. Eosinophilic granuloma, D. None of the above
C: Eosinophilic granuloma
Answer: C: Eosinophilic granuloma 
Explanation: Ans. (c) Eosinophilic granuloma.Vertebra plana or pancake vertebra is the term given when a vertebral body has lost almost its entire height anteriorly and posteriorly, representing a very advanced crush fracture. It can occur with a variety of settings, including:1. Trauma2. Osteoporosis3. Eosinophilic granuloma (LCH)4. Osteogenesis imperfecta5. Leukemia6. Vertebral metastases7. Multiple myeloma8. Lymphoma9. Osteomyelitis