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: Radiology
Geographic lytic lesions in vault of skull with bevelled edges are seen with 
Select and explain. 
A. Multiple myeloma, B. Eosinophilic granuloma, C. Hyperparathyroidism, D. Reticular cell CA
B: Eosinophilic granuloma
Answer: B: Eosinophilic granuloma 
Explanation: B i.e. Eosinophillic Granuloma Features Disorder Geographic lytic skullQ Eosinophillic granuloma/Hand? Veebrae planaQ Schuller Christian ds/ Histocytosis