Which endoscopic sinus procedure clears the ethmoidal compartments of disease?
a. Functional endoscopic sinus procedure (FESS)
b. Wigand procedure
c. Sphenoidotomy
d. Rhinoplasty
ANS: A
The functional endoscopic sinus procedure (FESS) or the Messerklinger technique begins at the ethmoid and works anteriorly to the frontal and maxillary sinuses to clear the ethmoidal compartments of disease.
Health Professions
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