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The sphenopalatine artery (SPA) is one of the main blood supplies to the sinonasal cavity and septum. Identification of the SPA is important in cases of refractory epistaxis where surgical intervention may be required. The SPA is a terminal branch of the internal maxillary artery which gives off multiple arterial branches in the pterygopalatine fossa (PPF). This chapter will highlight steps to identify the SPA and other anatomical landmarks within the PPF.

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Sphenopalatine Artery Ligation and Pterygopalatine Fossa

  • 章节

  • 发表日期：

    2026年

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  • Gagandeep Singh Mann,
  • Andrew Charles Gomez,
  • Prepageran Naryanan

摘要

The sphenopalatine artery (SPA) is one of the main blood supplies to the sinonasal cavity and septum. Identification of the SPA is important in cases of refractory epistaxis where surgical intervention may be required. The SPA is a terminal branch of the internal maxillary artery which gives off multiple arterial branches in the pterygopalatine fossa (PPF). This chapter will highlight steps to identify the SPA and other anatomical landmarks within the PPF.