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Radiol Case Rep. 2017 Mar 06;12(2):371-375. doi: 10.1016/j.radcr.2017.01.016. eCollection 2017 Jun.

Internal carotid artery dissection and pseudoaneurysm formation with resultant ipsilateral hypoglossal nerve palsy.

Radiology case reports

Giuseppe Cruciata, Rikesh Parikh, Meera Pradhan, Jay Shah, Eric Greif, Evan G Stein

Affiliations

  1. Department of Radiology, Maimonides Medical Center, 4802 10th Avenue, Brooklyn, NY 11219, USA.

PMID: 28491191 PMCID: PMC5417729 DOI: 10.1016/j.radcr.2017.01.016

Abstract

Craniocervical artery dissection is a potentially disabling condition caused by an intimal tear allowing blood to enter and dissect the media in the cranial direction which can occur spontaneously or as a result of trauma. When the dissection extends toward the adventitia, it can form a protrusion from the weakened vessel wall called a pseudoaneurysm, which may become a nidus for distal thromboembolism or cause mass effect on adjacent structures. Accurate and prompt diagnosis is critical as timely treatment can significantly reduce the risk of complications such as stroke. Here, we present a case of cervical ICA dissection and pseudoaneurysm formation causing mass effect with resultant compressive ipsilateral hypoglossal nerve palsy.

Keywords: Internal carotid artery dissection; Pseudoaneurysm

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