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 the vault of skull with beveled 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: Punched out lesions of skull are seen both in Eosinophilic granuloma and multiple myeloma. However, beveled edges (double contour) is characteristic of eosinophilic granuloma due to uneven destruction of the inner and outer table of the skull.

           Punched out lesions of skull                    →  Multiple myeloma
           Punched out lesions with beveled edges   →  Eosinophilic granuloma