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Tumours of Cerebellopontine Angle

Question
14 out of 18
 

True about Acoustic neuroma: [AIIMS Nov 2011]



A Malignant tumor

B Arises form vestibular nerve

C Upper pole displaces IX, X, XI nerves

D Lower pole displaces trigeminal cranial nerve

Ans. B Arises from vestibular nerve

Explanation

Here Option a. malignant tumor is incorrect as acoustic neuroma is a benign tumor.

Option b: It arises from vestibular nerve is correct

Option c: Upper pole displaces IX, X and XI nerve-incorrect, as is evident from the diagram given in the text: Upper pole displaces III, IV and V nerve whereas lower pole displaces IX, X and XI nerve.

Tumours of Cerebellopontine Angle Flashcard List

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