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Descriptive Analysis of Sphenovomerine Suture and Its Importance in Neurosurgery.
Journal of Craniofacial Surgery 2016 October
PURPOSE: Articulation of rostrum of sphenoid bone with alae of vomer forms a schindylesis type of joint. The circumference of this joint, called sphenovomerine suture (SVS), is very important in establishing a reliable surgical field in the endoscopic transsphenoidal pituitary surgery. Because of its vital role in endoscopic transsphenoidal pituitary surgery, this radio-anatomical study was designed to establish the morphological properties of SVS.
METHODS: In this study, the authors examined SVS in 235 patients (121 females and 114 males) on the computed tomography images of the paranasal sinus and made 4 measurements to describe SVS.
RESULTS: The mean distance between superior margin of the upper labial philtrum and top of SVS was 6.66 ± 0.43 cm for females and 7.44 ± 0.54 cm for males. The distance between the top of SVS and dorsum sellae was 3.08 ± 0.33 cm for females and 3.19 ± 0.32 cm for males, the alae of vomer angle in the upper surface was 74.22 ± 20.06° for females and 74.23 ± 19.68° for males. The distance between the most lateral points of 2 alae of vomer was 0.99 ± 0.17 and 1.01 ± 0.19 cm for females and males, respectively.
CONCLUSIONS: For an easy and successful operation, removal of the SVS is very important as it will provide a better view of the sellar base and make the management of the surgical instruments easier in the wider safe surgical field thus created.
METHODS: In this study, the authors examined SVS in 235 patients (121 females and 114 males) on the computed tomography images of the paranasal sinus and made 4 measurements to describe SVS.
RESULTS: The mean distance between superior margin of the upper labial philtrum and top of SVS was 6.66 ± 0.43 cm for females and 7.44 ± 0.54 cm for males. The distance between the top of SVS and dorsum sellae was 3.08 ± 0.33 cm for females and 3.19 ± 0.32 cm for males, the alae of vomer angle in the upper surface was 74.22 ± 20.06° for females and 74.23 ± 19.68° for males. The distance between the most lateral points of 2 alae of vomer was 0.99 ± 0.17 and 1.01 ± 0.19 cm for females and males, respectively.
CONCLUSIONS: For an easy and successful operation, removal of the SVS is very important as it will provide a better view of the sellar base and make the management of the surgical instruments easier in the wider safe surgical field thus created.
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