File:Aberrant right internal carotid artery (Radiopaedia 65191-74197 Axial C+ arterial phase 16).jpg
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Summary:
- Radiopaedia case ID: 65191
- Image ID: 44993860
- Image stack position: 16/132
- Plane projection: Axial
- Aux modality: C+ arterial phase
- Study findings: There is an aberant right ICA, which enters the skull base through an enlarged inferior tympanic canaliculus just in front of the jugular bulb.This then courses anteriorly along the chochlear promontory in a typical fashion to join the petrous ICA.There is a relative narrowing as it turns forward in the tympanic canaliculus. The aberrant ICA bulges up into the hypotympanum, and abuts /bulges the inferior eardrum outward. It also abuts the malleus insertion. There is an associated aberrant stapedius artery which enlarges the anterior portion of the (tympanic) facial canal.
- Modality: CT
- System: Vascular
- Findings: There is an aberrant right ICA, which enters the skull base through an enlarged inferior tympanic canaliculus just in front of the jugular bulb.This then courses anteriorly along the chochlear promontory in a typical fashion to join the petrous ICA.There is a relative narrowing as it turns forward in the tympanic canaliculus. The aberrant ICA bulges up into the hypotympanum, and abuts /bulges the inferior eardrum outward. It also abuts the malleus insertion. There is an associated aberrant stapedius artery which enlarges the anterior portion of the (tympanic) facial canal.
- Published: 28th Dec 2018
- Source: https://radiopaedia.org/cases/aberrant-right-internal-carotid-artery-1
- Author: Jeffrey Hocking
- Permission: http://creativecommons.org/licenses/by-nc-sa/3.0/
Licensing:
CC-BY-NC-SA-3.0
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current | 02:34, 29 March 2021 | 723 × 723 (96 KB) | Fæ (talk | contribs) | Radiopaedia project rID:65191 (batch #146-16 A16) |
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