A Rare Case of Compression Neuritis due to Intraorbital Arteriovenous Fistula (IOAVF) Mimicking Retrobulbar Optic Neuritis

• Published in: Acta medica Okayama Vol. 79; no. 1; p. 59
• Main Authors: Minakawa, Shun, Hirano, Masayuki, Takahashi, Kazuya, Imamura, Yuta, Watanabe, Takashi
• Format: Journal Article
• Language: English
• Published: Japan 01.02.2025
• Subjects: Arteriovenous Fistula - complications; Arteriovenous Fistula - diagnosis; Arteriovenous Fistula - diagnostic imaging; Arteriovenous Fistula - therapy; Diagnosis, Differential; Embolization, Therapeutic; Female; Humans; Magnetic Resonance Imaging; Middle Aged; Nerve Compression Syndromes - diagnosis; Nerve Compression Syndromes - etiology; Optic Neuritis - diagnosis; Orbit - blood supply; superior ophthalmic vein; compressive optic neuropathy; accessory meningeal artery; intraorbital arteriovenous fistula

Intraorbital arteriovenous fistulas (IOAVFs) are rare vascular abnormalities. We describe a case of an IOAVF featuring a direct shunt between the accessory meningeal artery and the superior ophthalmic artery. A 55-year-old woman presented with a 1-month history of visual impairment in her right eye,...