Giant Internal Carotid Artery Aneurysm Manifesting as Difficulty in Swallowing  -Case Report-

Hanabusa, Kenichiro; Nonoyama, Yutaka; Taki, Waro

doi:10.2176/nmc.50.917

Cited by 3 publications

(1 citation statement)

References 14 publications

(18 reference statements)

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“…[ 3 ] Studies on ECAA mostly comprise case reports or small case series focusing on diagnostic imaging and treatment outcome. [ 2 , 4 – 6 ] Although the natural course of ECAA is largely unknown, the clinical presentation of ECAA may be accompanied with significant morbidity. Previous studies reported a stroke prevalence of 50% and a mortality of 60–70% when ECAA is left untreated.…”

Section: Introductionmentioning

confidence: 99%

Histological Analysis of Extracranial Carotid Artery Aneurysms

et al. 2015

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IntroductionExtracranial carotid artery aneurysms (ECAA) are rare but may be accompanied with significant morbidity. Previous studies mostly focused on diagnostic imaging and treatment. In contrast, the pathophysiological mechanisms and natural course of ECAA are largely unknown. Understanding the pathophysiological background may add to prediction of risk for adverse outcome and need for surgical exclusion. The aim of this study was to investigate the histopathological characteristics of ECAA in patients who underwent complete surgical ECAA resection.Material and MethodsFrom March 2004 till June 2013, 13 patients were treated with open ECAA repair. During surgery the aneurysm sac was resected and processed for standardized histological analysis. Sections were stained with routine hematoxylin and eosin and special stains to detect elastin, collagen, different types of inflammatory cells, vascular smooth muscle cells and endothelial cells.ResultsHistopathological characterization revealed two distinct categories: dissection (abrupt interruption of the media; n = 3) and degeneration (general loss of elastin fibers in the media; n = 10). In the degenerative samples the elastin fibers in the media were fragmented and were partly absent. Inflammatory cells were observed in the vessel wall of the aneurysms.ConclusionHistological analysis in this small sample size revealed dissection and degeneration as the two distinct underlying mechanisms in ECAA formation.

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Section: Introductionmentioning

confidence: 99%

Histological Analysis of Extracranial Carotid Artery Aneurysms

et al. 2015

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A Case of Internal Carotid Artery Aneurysm Mimicking Peritonsillar Abscess

Lee¹,

Han²,

Park³

et al. 2020

Korean J Otorhinolaryngol-Head Neck Surg

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Extracranial carotid artery aneurysm is an uncommon disease that otorhinolaryngologists may encounter only rarely. It usually presents as pulsatile neck mass or as other neurologic symptoms. We report a case of extracranial internal carotid artery aneurysm in an 81-year old female who presented with a fever and nonpulsatile oropharyngeal swelling mimicking a peritonsillar abscess. Incision and drainage of the swelling lesion could have resulted in catastrophic events such as aneurismal rupture or a stroke. We thus recommend radiologic evaluations of peritonsillar abscess before performing any procedure, even if it is clinically highly suspicious.

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