choleastatoma of the middle ear

Question Number 1359

the following are true of choleastatoma of the middle ear

a) they are most commonly congenital in origin
b) tends to spare the attic of the middle ear
c) Pars tensa cholesteatomas normally involve the long process of the uncus
d) are typically of high signal intensity on T1 weighted MR as compared to the brain cortex
e) may lead to a loss of lacrimation

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