Anatomical variation of the posterior septal artery leads to refractory epistaxis.
Dong-Jiao AnZu-Fei LiXiao-Chang ZhaoJin-Feng LiuPublished in: World journal of otorhinolaryngology - head and neck surgery (2023)
When cauterization of PSA is used to manage posterior epistaxis, it is necessary to pay attention to the possible variation in PSA.