Retinal arterial macroaneurysm rupture caused by dissection-like change in the vessel wall.

Abstract

PURPOSE:

To highlight a potential pathogenetic mechanism of retinal arterial macroaneurysm.

OBSERVATIONS:

A 79-year-old woman presented with a ruptured retinal arterial macroaneurysm in the right eye. One year after treatment, high-resolution multimodal imaging with optical coherence tomography (OCT), OCT angiography, and adaptive optics scanning light ophthalmoscope showed that a narrow passage developed in the vessel wall of the pre-existing retinal arterial macroaneurysm and another macroaneurysm had developed adjacent to the pre-existing one.

CONCLUSIONS AND IMPORTANCE:

These images suggest the pathogenesis of retinal arterial macroaneurysm (RAM) associated with crack-like changes in the retinal arterial wall, similar to pathologies seen in systemic arteries.

• Authors: Masaharu Ishikura, Yuki Muraoka, Shin Kadomoto, Naomi Nishigori, Tomoaki Murakami, Sotaro Ooto, Akitaka Tsujikawa
• Journal: American journal of ophthalmology case reports (Am J Ophthalmol Case Rep) Vol. 25 Pg. 101346 (Mar 2022) ISSN: 2451-9936 [Electronic] United States
• PMID: 35128170 (Publication Type: Case Reports)
• Copyright: © 2022 Published by Elsevier Inc.