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Fig. 1 | BMC Gastroenterology

Fig. 1

From: Comparison of different embolic particles for superior rectal arterial embolization of chronic hemorrhoidal bleeding: gelfoam versus microparticle

Fig. 1

Angiographic features of hemorrhoid artery in patients with internal hemorrhoids. a Catheterization of the inferior mesenteric artery with a Simmons catheter showing the rectal hypervascularization (white arrows); b The final arteriogram showing reduced vascularization of the inferior part of the rectum after embolization of both SRAs using coils and gelfoam (white arrows)

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BMC Gastroenterology

ISSN: 1471-230X

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