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Transvenous embolization of brain arteriovenous malformations featuring multiple draining veins with 4D-DSA: a case series and technical insights.
J Neurointerv Surg
January 2025
Intervention Neuroradiology, CHU Limoges, Limoges, Aquitaine-Limousin-Poitou-Charentes, France
Background: Hemorrhage is a major complication of brain arteriovenous malformations (AVMs) embolization, which can be related to persistent arteriovenous shunts that were not completely occluded during the embolization. In transvenous embolization (TVE) this risk is deemed higher for AVMs larger than 3 cm featuring multiple veins of drainage. Herein, we will discuss a few selected cases where brain AVMs with more than one draining vein were deemed safe for curative embolization with advanced endovascular techniques after a careful anatomical study through the four dimensional-digital subtraction angiography (4D-DSA) imaging.
View Article and Find Full Text PDFBasic Science and Pathogenesis.
Alzheimers Dement
December 2024
Weill Cornell Medicine, New York, NY, USA.
Amyloid related imaging abnormalities (ARIA) are side effects of anti-Abeta immunotherapy, which are most frequent and associated with greater morbidity in ApoE4 individuals. ARIA are characterized by neurovascular inflammation, leading either to increased vascular permeability and edema (ARIA-E), or to more severe vascular damage and microhemorrhages (ARIA-H). The mechanisms by which Abeta immunotherapy leads to ARIA remain to be established but may involve overload of the cerebral microvasculature by Abeta released from amyloid plaques.
View Article and Find Full Text PDFClinical Manifestations.
Alzheimers Dement
December 2024
Sanatorio de la Trinidad Mitre, Buenos Aires, Argentina.
Background: Dural arteriovenous fistulas (DAVFs) are abnormal communications between dural arteries and cortical, meningeal, or dural sinus veins. They represent 10-15% of intracranial arteriovenous malformations. In rare cases, they have been associated with potentially reversible cognitive impairment and dementia.
View Article and Find Full Text PDFESR Essentials: diagnostic strategies in tinnitus-practice recommendations by the European Society of Head and Neck Radiology.
Eur Radiol
January 2025
Department of Radiological Sciences DSMC, University of Brescia, Radiology Unit 2, ASST Spedali Civili di Brescia, Brescia, Italy.
Article Synopsis
- Tinnitus affects about 25% of older adults, with non-pulsatile tinnitus usually lacking structural causes, while pulsatile tinnitus may indicate underlying health issues that can be identified through imaging.
- A thorough clinical evaluation is essential for determining the appropriate diagnostic strategy and imaging is warranted for unilateral non-pulsatile tinnitus or any pulsatile tinnitus cases.
- Imaging methods like MRI or CT are used based on the type of tinnitus and any accompanying symptoms, with special attention needed for potential serious conditions in cases of pulsatile tinnitus.
Infective Endocarditis With Origin in Orbital Vascular Malformation and Maxillary Sinusitis: A Case Report and Review of Four Patients in the Literature.
Cureus
November 2024
Department of Internal Medicine, Ochiai Hospital, Maniwa, JPN.
Infective endocarditis is a life-threatening disease and the early diagnosis is crucial for a better outcome. We report an old adult who developed infective endocarditis in association with new-onset maxillary sinusitis as well as proptosis, which was caused by an orbital mass lesion in the background of pre-existing orbital vascular malformation. A 74-year-old woman was found incidentally to have right orbital vascular (venous) malformation by head magnetic resonance imaging when she was hospitalized for left dorsal pontine infarction.
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