Perianeurysmal vasogenic oedema (PAVO) following aneurysm embolisation: a unique case of asymptomatic long-term progression and review of the literature

Anthony Ernest Robinson; Constantine Chris Phatouros

doi:10.1136/bcr-2018-225625

Perianeurysmal vasogenic oedema (PAVO) following aneurysm embolisation: a unique case of asymptomatic long-term progression and review of the literature

BMJ Case Rep. 2018 Sep 28:2018:bcr2018225625. doi: 10.1136/bcr-2018-225625.

Authors

Anthony Ernest Robinson¹, Constantine Chris Phatouros²

Affiliations

¹ Department of Radiology, Royal Perth Hospital, Perth, Western Australia, Australia.
² Neurological Intervention and Imaging Service of Western Australia, Sir Charles Gairdner Hospital, Nedlands, Western Australia, Australia.

Abstract

Perianeurysmal vasogenic oedema is a recognised although rare phenomenon following endovascular treatment of certain intracranial aneurysms. We present a unique case of asymptomatic perianeurysmal vasogenic oedema following bare platinum coil embolisation of an incidentally discovered right middle cerebral artery aneurysm that slowly increased over a period of 6 years before stabilising and regressing. During this time, the coiled aneurysm per se remained completely stable on serial magnetic resonance angiography.

Keywords: interventional radiology; neuroimaging.

Publication types

Case Reports
Review

MeSH terms

Aged
Brain Edema / diagnostic imaging
Brain Edema / etiology*
Brain Edema / pathology
Brain Edema / therapy
Embolization, Therapeutic / adverse effects*
Female
Humans
Intracranial Aneurysm / therapy*
Magnetic Resonance Angiography