Declarations
Ethics Declarations
This study was conducted in accordance with the ethical principles of the Declaration of Helsinki and its later amendments. The study protocol received approval from the Clinical Research Ethics Committee of Cerrahpasa University, School of Medicine (Date: 2016-09-07, No: 326832). The authors declare that there is no conflict of interest and no external funding was received for this study.
Animal and Human Rights Statement
All procedures performed in this study were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards.
Informed Consent
Written informed consent was waived due to the retrospective design of the study.
Data Availability
The data supporting the findings of this article are available from the corresponding author upon reasonable request, due to privacy and ethical restrictions. The corresponding author has committed to share the de-identified data with qualified researchers after confirmation of the necessary ethical or institutional approvals. Requests for data access should be directed to bmp.eqco@gmail.com
Conflict of Interest
The authors declare that there is no conflict of interest.
Funding
None.
Author Contributions (CRediT Taxonomy)
Conceptualization: E.E., S.G.K., O.K.
Methodology: E.E., S.G.K.
Formal Analysis: E.E., D.E.T.S.
Investigation: E.E., S.G.K., D.E.T.S., Y.K.
Data Curation: E.E., D.E.T.S.
Writing – Original Draft Preparation: E.E.
Writing – Review & Editing: S.G.K., N.K., C.I., O.K.
Supervision: N.K., C.I., O.K.
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Figures

Figure 1. An example of PDOA. In the left globe, a hypervascular mass is observed and the mass is fed by (A) the left ophthalmic artery and (B) the left dorsal ophthalmic artery. (C) After embolization of OA, feeding from the dorsal ophthalmic artery is continued, and (D) retinal crescent staining is preserved

Figure 2. An example of meningo-ophthalmic collateral. After the contrast medium injection of the left external carotid artery, (A) the meningo-ophthalmic collateral (arrow sign) between the middle meningeal artery and the ophthalmic artery is observed. OA shows an inverse filling due to the meningo- ophthalmic collateral. (D) After the coil embolization of the meningo-ophthalmic collateral (arrow sign), it is seen that the OA is normally filled anterogradely after the superselective catheterization of the OA

Figure 3. DSA images of a 50-year-old woman who underwent preoperative tumor embolization due to left parafalcine meningioma. In ECA injections (A) and (B), posteroanterior images show anastomosis between the sphenoidal branch of the middle meningeal artery and the lacrimal artery (arrow sign)
Tables
About This Article
How to Cite This Article
Emel Esmerer, Sedat Giray Kandemirli, Deniz Esin Tekcan Sanli, Yasemin Kayadibi, Naci Kocer, Civan Islak, Osman Kizilkilic. Evaluation of the origin and branching patterns of the ophthalmic artery using DSA and FDCTA. Ann Clin Anal Med 2026;17(4):318-323. doi:10.4328/ACAM.22723
Publication History
- Received:
- 24.04.2025
- Accepted:
- 14.07.2025
- Published Online:
- 30.07.2025
- Printed:
- 01.04.2026


