Fig. 2From: Intraoperative variations of the sphenopalatine artery between epistaxis and non-epistaxis cases: a comparative endoscopic analysisa–d Intraoperative measurement variations of SPA diameter between 2 groups. a, b 2 cases from group A; 4.5-mm and 5-mm diameter, respectively. c, d 2 cases from group B; 3-mm diameter for bothBack to article page