Variations of the ethmoidal labyrinth and sphenoid sinus and CT imaging (CROSBI ID 97495)
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Podaci o odgovornosti
Krmpotić-Nemanić, Jelena ; Vinter, Ivan ; Hat, Josip ; Jalšovec, Dubravko
engleski
Variations of the ethmoidal labyrinth and sphenoid sinus and CT imaging
Three hundred macerated and partly isolated postmortem mid-facial bones were studied for the development, variations and dimensions of the structures of the nasal cavity. On 184 axial CT scans of bones (102 male, 82 female) from patients ranging in age from 1 to 90 years old, the dimensions of the ethmoid labyrinth and sphenoid sinus were studied in detail in order to determine which anatomic situation might be unsafe during clinical endoscopic interventions. Six anatomic variations were identified. Most unsafe for surgery seemed to be the following types: type III, in which the anterior diameter of the ethmoid labyrinth was large and the posterior ethmoid and sphenoid diameters were relatively narrow ; type V, in which both ethmoid dimensions were large and the sphenoid diameter was narrow: type VI, in which the ethmoid labyrinth had an "hour-glass" shape. Present findings indicate that CT orientation before any endoscopic intervention might help to avoid serious complications.
Ethmoid labyrinth ; Sphenoid sinus ; Computed tomography ; Endoscopic nasal surgery
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Podaci o izdanju
Povezanost rada
Kliničke medicinske znanosti, Temeljne medicinske znanosti