Question
In this CT-scan condition (marked with arrow)is commonly seen in sinus?
A. Frontal
B. Maxillary
C. Ethmoid
D. Sphenoid
Show Answer
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Correct Answer » A
Explanation
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This condition is mucocele,commonly seen in frontal sinus
A mucocele is an epithelial lined, mucus containing sac completely filling the sinus and capable of expansion:
- Mucocele are most commonly formed in Frontal sinus followed by ethmoid, sphenoid and maxillary sinuses.
- Mucocele of frontal sinus presents as a swelling in the floor of frontal sinus above the inner (medial) canthus. It displaces the eyeball forward, downward and laterally.
