Detailed Arterial Anatomy and Its Anastomoses of the Sphenoid Ridge and Olfactory Groove Meningiomas with Special Reference to the Recurrent Branches from the Ophthalmic Artery

• Published in: American journal of neuroradiology : AJNR Vol. 41; no. 11; pp. 2082 - 2087
• Main Authors: Hiramatsu, M., Sugiu, K., Hishikawa, T., Haruma, J., Takahashi, Y., Murai, S., Nishi, K., Yamaoka, Y., Shimazu, Y., Fujii, K., Kameda, M., Kurozumi, K., Date, I.
• Format: Journal Article
• Language: English
• Published: United States American Society of Neuroradiology 01.11.2020
• Subjects: Adult; Adult Brain; Angiography, Digital Subtraction - methods; Carotid Artery, External - diagnostic imaging; Carotid Artery, External - pathology; Carotid Artery, Internal - diagnostic imaging; Carotid Artery, Internal - pathology; Cerebral Angiography - methods; Female; Humans; Interventional; Male; Meningeal Neoplasms - blood supply; Meningeal Neoplasms - diagnostic imaging; Meningeal Neoplasms - pathology; Meningioma - blood supply; Meningioma - diagnostic imaging; Meningioma - pathology; Middle Aged; Ophthalmic Artery - diagnostic imaging; Ophthalmic Artery - pathology; Sphenoid Bone
• ISSN: 0195-6108; 1936-959X; 1936-959X
• DOI: 10.3174/ajnr.A6790

Detailed arterial anatomy of the sphenoid ridge and olfactory groove meningiomas is complicated due to the fine angioarchitecture and anastomoses between each feeder. Herein, we present details of the arterial anatomy and the relationships of feeders in these lesions. This study included 20 patients admitted to our department between April 2015 and March 2020. Conditions of subjects consisted of 16 sphenoid ridge meningiomas and 4 olfactory groove meningiomas. We mainly analyzed arterial anatomy using 3D rotational angiography and slab MIP images of these lesions. We also analyzed the anastomoses of each feeder. We found that 19 (95%), 15 (75%), and 15 (75%) lesions had feeders from the ophthalmic, internal carotid, and external carotid arteries, respectively. As feeders from the ophthalmic artery, recurrent meningeal arteries were involved in 18 lesions (90%). Fifteen lesions (75%) had anastomoses between each feeder. Most of the meningiomas in the sphenoid ridge and olfactory groove had feeders from the ophthalmic and internal carotid arteries. There were various anastomoses between each feeder. This is the first report to demonstrate the detailed arterial anatomy and frequency of recurrent branches from the ophthalmic artery and their anastomoses using detailed imaging techniques.