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Revista de otorrinolaringología y cirugía de cabeza y cuello

versión On-line ISSN 0718-4816

Resumen

CABEZON A, Rodrigo et al. Remarkable anatomic variations on paranasal CT scans. Rev. Otorrinolaringol. Cir. Cabeza Cuello [online]. 2010, vol.70, n.3, pp.223-230. ISSN 0718-4816.  http://dx.doi.org/10.4067/S0718-48162010000300005.

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.

Palabras clave : Ethmoid variations; paranasal CTscans; sinus endoscopic surgery; Keros.

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