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
In scurvy all the following radiological signs are seen except: 
Select and explain. 
A. Pelican spur, B. Soap bubble appearance, C. Zone of demarcation near epiphysis, D. Frenkel's line
B: Soap bubble appearance
Answer: B: Soap bubble appearance 
Explanation: B i.e. Soap Bubble appearanceSoap bubble appearanceQ is characteristic of giant cell tumor