Variantes anatómicas relevantes en tomografía computarizada de cavidades perinasales
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Date
2010
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Abstract
Introduction: Paranasal sinus anatomy is quite variable. Some variations are involved in rinosinusal pathology, others are landmarks ofFESS (functional endoscopic sinus surgery). Aim: To determine the frecuency of paranasal anatomic variations in our consulting population. Material and method: Retrospective revision of all paranasal CT scans achieved in our Radiology Service during a two month period during 2009. Results: We found most of ethmoid anatomic variations, with similar frecuencies as described in literature. We also studied anterior ethmoidal artery anatomy, and ethmoid roof configuration, using Keros classification Conclusions: We found, in general, similar frecuencies as described in foreign series. More than half of our patients had Keros I ethmoid roof configuration type, a differing result from most of other series. Every ENT surgeon should be trained in routine search of these variations, helping to avoid possible surgical complications.
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Ethmoid variations, paranasal CTscans, sinus endoscopic surgery, Keros, Variantes anatómicas etmoidales, TC de CPN, cirugÃa endoscópica nasal, Otorhinolaryngology, Surgery