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Radiology General 5d5009a0

Paranasal sinus which can be visualized best on a occipito-frontal view is: September 2009

A
Frontal sinus
B
Ethmoidal sinus
C
Sphenoid sinus
D
Maxillary sinus
High-Yield Explanation
Ans. A: Frontal Sinus Caldwell-Luc/ occipito-frontal view shows: Frontal sinus (Best visualization) Superior orbital fissure Superior marginof orbit and lamina papyracea Foramen rotundum Maxillary and ethmoid sinus

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