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Background <p>Endoscopic endonasal transsphenoidal (EET) approach has been widely utilized for the treatment of pituitary adenoma. However, postoperative cerebrospinal fluid (CSF) leakage is still a concern. One of the key surgical points to prevent postoperative CSF leakage is how to reduce the defect of the sellar floor and increase its support.</p> Method <p>We presented a step-by-step description of the incision method of the sellar dura during endoscopic transsphenoidal pituitary adenoma resection, as well as the sellar dura mater diagonal suture technique to reduce postoperative sellar dura mater defects and increase the support of the sellar floor. These methods have been widely applied in our surgical procedures.</p> Conclusion <p>These measures effectively increase the support of the sellar floor and reduce the risk of postoperative CSF leakage in cases of low cerebrospinal fluid leakage during surgery, and are easy to perform.</p>

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The U-shaped incision and diagonal suturing of the sellar dura in endoscopic transsphenoidal pituitary adenoma resection

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年4月28日

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  • Yikun Xie,
  • Bin Han,
  • Gengshi Gu,
  • Haitao Wang

摘要

Background

Endoscopic endonasal transsphenoidal (EET) approach has been widely utilized for the treatment of pituitary adenoma. However, postoperative cerebrospinal fluid (CSF) leakage is still a concern. One of the key surgical points to prevent postoperative CSF leakage is how to reduce the defect of the sellar floor and increase its support.

Method

We presented a step-by-step description of the incision method of the sellar dura during endoscopic transsphenoidal pituitary adenoma resection, as well as the sellar dura mater diagonal suture technique to reduce postoperative sellar dura mater defects and increase the support of the sellar floor. These methods have been widely applied in our surgical procedures.

Conclusion

These measures effectively increase the support of the sellar floor and reduce the risk of postoperative CSF leakage in cases of low cerebrospinal fluid leakage during surgery, and are easy to perform.