This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Infection, Subject name: Medicine
Soap bubble appearance is seen in which meningo-encephalitis - 
Select and explain. 
A. Cryptococcus, B. Mucormycosis, C. Tubercular, D. HSV
A: Cryptococcus
Answer: A: Cryptococcus 
Explanation: Ans. is 'a' i.e., CryptococcusSoap bubble appearance occurs in CNS cnptococosisCryptococcal meningitis in common in immunocompromised patientsIt typically results from hemotogenous spread from the lungs (which is usually the primary site).The disease can have either meningeal or parenchymal involvement with the former being the primary manifestation,o There are three dominant CNS forms of the disease which are :MeningitsCryptococcosisGelatinous pseudocy>stGelatinous pseudocvst tends to she "soap bubble annerance" on CT. scan