Infraorbitary artery epistaxis

June 1, 2022 ENT Disorders | Radiology & Cancer Therapy No Comments

Epistaxis is a common complication of endoscopic sinus surgery. Bleeding occurs more
frequently due to injury of the sphenopalatine artery branches. Pathologies of the maxillary
sinus that produce bone resorption and descent from the orbital floor into the sinus, expose
the orbital fat and the infraorbital artery (IOA) to an injury that can cause severe epistaxis
which is difficult to treat. Two cases of epistaxis due to an injury of the infraorbital artery in
the maxillary sinus are described in our study.

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