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The relationship between frontal sinus drainage and osteomeatal complex disease: a CT study in 217 patients
R Wallace1, J E Salazar, S Cowles
1Department of Radiology, University of Tennessee, Memphis.
AJNR. American Journal of Neuroradiology
|January 1, 1990
Abstract:
Over a period of 2 years we reviewed the CT scans of 217 patients with recurrent sinusitis. Our findings revealed a number of cases of osteomeatal complex disease with no frontal sinus involvement. This result is difficult to reconcile with the concept of a common drainage in the middle meatus shared by the frontal and anterior ethmoid sinuses. We conclude that the frontal sinus drains separately from the other paranasal sinuses in a large percentage of cases, and that the frontal sinus is frequently spared when there is ethmoid or maxillary sinusitis.