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ENT Nose and paranasal sinuses a29b745f

Most common sinus involved in acute sinusitis?

A
Ethmoid
B
Maxillary
C
Sphenoid
D
Frontal
High-Yield Explanation
The sinus most commonly involved is the maxillary followed in turn by ethmoid, frontal and sphenoid. (Ref: Diseases of ENT, PL Dhingra, 7th edition, of no. 213)

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