Abstract
Purpose
To describe the association between two aortic arch branch variants and its possible relationship with neurofibromatosis-1.
Methods
A 5-year-old female with NF-1 diagnosis presented to the emergency department at 2 months of age with irritability, vomiting and left gaze deviation. Brain MRI showed a left side acute hemispheric stroke and left internal carotid occlusion.
Results
CT angiography of the neck showed the right and left common carotid arteries arising from a common vascular trunk coming from the aortic arch and a right retroesophageal subclavian artery.
Conclusion
Although the relationship between NF-1 mutation and aortic arch branch abnormalities has not been described, there is a recognized condition known as neurofibromatosis/Noonan syndrome which is an accepted variant of NF-1 with clinical features of both NF-1 and Noonan syndrome caused by dysregulation of the RAS–MAPK pathway. Aortic arch branch variations in patients with NF-1 could be explained by this association.
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Acknowledgements
The authors acknowledge the Department of radiology—Hospital del Pediatría J.P. Garrahan, Buenos Aires. Argentina.
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AG: project development, manuscript writing. JIE: manuscript writing—editing. CR: manuscript writing—editing and final approval.
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Ethical approval from the institutional review board was not required for this study. The article does not contain photographs or indication that could be traced back to a human participant. The patient’s mother gave a written informed consent for all testing during the clinical process, namely, for CT angiography and magnetic resonance imaging.
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Guarnizo, A., Erripa, J.I. & Rugilo, C. A bicarotid trunk with associated right retroesophageal subclavian artery in a child with neurofibromatosis type 1 complicated by a left hemispheric stroke. Surg Radiol Anat 45, 1599–1602 (2023). https://doi.org/10.1007/s00276-023-03253-1
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DOI: https://doi.org/10.1007/s00276-023-03253-1