This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nervous System, Subject name: Radiology
The following MRI head shows 
Select and explain. 
A. Starry sky appearance, B. Soap bubble appearance, C. Dense MCA sign, D. Ring enhancing lesion
B: Soap bubble appearance
Answer: B: Soap bubble appearance 
Explanation: Ans. B. Soap bubble appearanceSoap bubble appearanceThe image shows MRI head with cluster of gelatinous pseudocysts with a soap bubble appearance (marked with arrow) at the periventricular white matter. This is seen in Cryptococcal meningitis.