2008
DOI: 10.1055/s-2008-1042434
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Course of the Bony Canal Associated with High-Positioned Supraorbital Foramina: An Anatomic Study to Facilitate Safe Mobilization of the Supraorbital Nerve

Abstract: The height:depth ratio in high-positioned foramina, an approximate mean value of 2, and the absence of a value less than 1, was considered to indicate a steep canal inclination. To avoid postoperative forehead numbness, anatomic information regarding the course of the bony canal must be considered.

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Cited by 10 publications
(3 citation statements)
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“…The supraorbital nerve exits the cranium through a bony foramen or notch, and a high-positioned supraorbital foramen with a long bony canal can be present in up to 24 percent of cases. 66 The infraorbital and mental nerves pass through long bony canals as well. They are already divided into their terminal branches at the level of foraminal exit, and they have a short distance to reach the skin.…”
Section: Discussionmentioning
confidence: 99%
“…The supraorbital nerve exits the cranium through a bony foramen or notch, and a high-positioned supraorbital foramen with a long bony canal can be present in up to 24 percent of cases. 66 The infraorbital and mental nerves pass through long bony canals as well. They are already divided into their terminal branches at the level of foraminal exit, and they have a short distance to reach the skin.…”
Section: Discussionmentioning
confidence: 99%
“…During craniotomies, neurosurgeons should employ strategies to protect the supraorbital nerve and prevent supraorbital neuralgia. 14 , 15 …”
Section: Discussionmentioning
confidence: 99%
“…A notch is clinically palpable, whereas a foramen is not. 2,6,[16][17][18][19] The average distance of the SON origin from the midline has been reported by previous studies within a range of 1.93 to 3.10 cm. 17 We found the SON origin at an average vertical distance of 0.25 cm above the palpable superior orbital rim.…”
Section: Discussionmentioning
confidence: 99%