Estudio tomográfico-anatómico del receso frontal en pacientes peruanos

Introduction: The frontal sinus evacuates its contents through the frontal recess, which is surrounded by frontoethmoidalair cells. Among the reasons for failure in endoscopic sinus surgery is incomplete clearance of diseased air cells around thefrontal recess. Detailed knowledge of the tomographic-anatomical variants within the frontal recess is essential. Objective:To evaluate the frequencies of tomographic-anatomical variants within the frontal recess in a sample of patients fromPeru during 2022. Materials and Methods: A retrospective cross-sectional descriptive observational study in which 201paranasal sinus tomographies were evaluated, including the evaluation of 402 frontal sinuses and their recesses, whichwere taken from the year 2022. Results: The most common frontoethmoidal cell was the agger nassi cell with a frequencyof 98. 5%, while the least common was the supra agger frontal cell (13.9%). The anterior ethmoidal artery was evidentas pendant in 61.7% and the most frequent AP distance on the right side was <5 mm and on the left side it was 5mm-10mm. Conclusions: To safely perform a surgical approach to the frontal sinus, tomographic and anatomical knowledgeof the frontal recess is essential due to the different variants that are common in our Peruvian population. This work willcontribute to a better understanding by Peruvian surgeons of this region, which is difficult to access surgically.ontribute toa better understanding among Peruvian surgeons of this region studied, which is difficult to access surgically.