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Background <p>The pedicled nasoseptal flap (Hadad-Bassagasteguy flap, HBF) has been considered as the workhorse for reconstruction of high-flow cerebrospinal fluid (CSF) leak following endoscopic endonasal skull base surgery. However, if the septal mucosa is affected by a tumor or the vascular pedicle is injured due to prior surgery, the use of HBF is precluded.</p> Method <p>We illustrate the harvest techniques of the lateral nasal wall flap (LNWF) based on the posterior lateral nasal artery (PLNA).</p> Conclusion <p>The LNWF is a robust intranasal regional flap with a consistent blood supply and comparable coverage surface, making it a reliable alternative when the HBF is unavailable.</p>

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Pedicled lateral nasal wall flap for endoscopic skull base reconstruction: how I do it

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年5月16日

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  • Zhenhua Huang,
  • Maohua Ding,
  • Yue Ma,
  • Xiaoguang Tong

摘要

Background

The pedicled nasoseptal flap (Hadad-Bassagasteguy flap, HBF) has been considered as the workhorse for reconstruction of high-flow cerebrospinal fluid (CSF) leak following endoscopic endonasal skull base surgery. However, if the septal mucosa is affected by a tumor or the vascular pedicle is injured due to prior surgery, the use of HBF is precluded.

Method

We illustrate the harvest techniques of the lateral nasal wall flap (LNWF) based on the posterior lateral nasal artery (PLNA).

Conclusion

The LNWF is a robust intranasal regional flap with a consistent blood supply and comparable coverage surface, making it a reliable alternative when the HBF is unavailable.