Appearance of an unusual ring enhancing brain capillary telangiectasia on 3.0T MRI with dynamic susceptibility contrast perfusion

• Type of Material: Article
• Authors: Maria Braileanu, Emory University; Jaime M. Wicks, Emory University; Amit Saindane, Emory University
• Language: English
• Date: 2020-08-01
• Publisher: Elsevier
• Publication Version: Final Published Version
• Copyright Statement: © 2020 The Authors. Published by Elsevier Inc. on behalf of University of Washington
• License: Creative Commons Attribution-NonCommercial-NoDerivs 4.0 International
• Final Published Version (URL): http://dx.doi.org/10.1016/j.radcr.2020.05.061
• Title of Journal or Parent Work: Radiology Case Reports
• ISSN: 1930-0433
• Volume: 15
• Issue: 8
• Start Page: 1331
• End Page: 1334
• Keywords: Ring enhancing lesion; MRI Perfusion; Brain Capillary Telangiectasia; SWI; GRE; High-field MRI
• Research Categories: Health Sciences, Radiology; Biology, Neuroscience

Abstract

We present the appearance of brain capillary telangiectasia on 3.0T magnetic resonance imaging (MRI) perfusion. A 42-year-old female presented with intermittent left arm weakness and paresthesia. Initial 1.5T MRI obtained 2 months after presentation demonstrated a 6 mm right caudate head lesion with ring-like enhancement, and no significant surrounding edema or mass effect. On gradient echo there was mild associated susceptibility artifact. Follow-up 3.0T MRI demonstrated increased blooming on 3.0T imaging relative to prior 1.5T imaging. The lesion also demonstrated increased blood volume on dynamic susceptibility contrast perfusion. Given these imaging findings and interval stability, a definitive imaging diagnosis of capillary telangiectasia was made. Recognition of the MRI findings of capillary telangiectasia is imperative to avoid misdiagnosis and prevent unnecessary intervention.