This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Imaging of Musculoskeletal Tumors, Subject name: Radiology
Punched out lesions in skull are seen in - 
Select and explain. 
A. Multiple myeloma, B. Hyperparathyroidism, C. Metastasis, D. Osteomalacia
A: Multiple myeloma
Answer: A: Multiple myeloma 
Explanation: Ans. is 'a' i.e., Multiple myeloma o 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 myelomaPunched out lesions with beveled edges - Eosinophilic granuloma