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: ENT
Prussak's space is situated in - 
Select and explain. 
A. Epitympanum, B. Mesotympanum, C. Hypotympanum, D. Ear canal
A: Epitympanum
Answer: A: Epitympanum 
Explanation: Prussak's space is the space between pars flaccida, and the neck of malleus in the Epitympanum (see fig. 1.4)

It is the M/C site for primary cholesteatoma.