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Optic canal (OC) and internal carotid artery (ICA) in sellar region

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Abstract

Purpose

OC and ICA are important structures in sellar region, the injury of ICA and optic nerve can be the severe complications in the operations related to sellar region such as the transsphenoidal surgery and extended transsphenoidal surgery. So knowing their position and their relationship to stable structures in sellar region is of great importance. The aim of our study is to provide specific and comprehensive data about the location of OC and ICA in sellar region in order to guide the surgeons through difficulties in surgeries related to sellar region.

Methods

Computer topographic angiography (CTA) images of 200 individuals were reviewed, the measurement was performed on coronal, sagittal and axis planes after multiplanar reformation (MPR). We located OC by the tubercular recess (TR) and the top edge of sphenoid sinus, we located ICA by the midpoint of sellar floor (SF) and the top edge of sphenoid sinus.

Result

OC can be located by TR and the distance between OC and sagittal midline; ICA can be located by midpoint of SF and distance between ICA and sagittal midline; ICA has stationary relationship to ACP.

Conclusion

Knowing the anatomical position of OC and ICA and the positional relationship between them and the sellar region is of great importance in the surgeries related to the sellar region such as the trans-sphenoidal approach to pituitary and extended transsphenoidal surgery to non-pituitary adenoma lesions.

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Conflict of interest

The authors declare that they have no conflict of interest.

Ethical standards

The experiments comply with the current laws of China.

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Authors and Affiliations

  1. Department of Neurosurgery, First Hospital of Jilin University, No.71, Xinmin Street, Chaoyang District, Changchun, Jilin, China

    Ye Cheng & Qi Luo

  2. Department of Ultrasonography, Affiliate Hospital of Changchun University of Traditional Chinese Medicine, Changchun, China

    Min Liu

  3. Department of Human Anatomy, Norman Bethune Medical School of Jilin University, Changchun, China

    Ye Cheng, Siwen Zhang, Yong Tian & Youqiong Li

  4. Department of Human Anatomy, Qiqihaer Medical School, Qiqihaer, China

    Da Song

Authors
  1. Ye Cheng
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  2. Min Liu
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  3. Siwen Zhang
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  4. Yong Tian
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  5. Da Song
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  6. Youqiong Li
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  7. Qi Luo
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Corresponding author

Correspondence to Qi Luo.

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Cheng, Y., Liu, M., Zhang, S. et al. Optic canal (OC) and internal carotid artery (ICA) in sellar region. Surg Radiol Anat 35, 797–801 (2013). https://doi.org/10.1007/s00276-013-1193-2

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  • DOI: https://doi.org/10.1007/s00276-013-1193-2

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