Atlanto-occipital ligament calcification: a novel imaging finding in pediatric rotational vertebral artery occlusion

We describe a 2-year-old girl with bow hunter syndrome complicated by vertebral artery dissection and multiple ischemic infarcts. Pediatric bow hunter syndrome is a rare and likely under-recognized disorder. Interestingly, our patient had atlanto-occipital ligament calcification on CT scan, an imagi...

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Bibliographic Details
Published in:	Pediatric radiology Vol. 50; no. 1; pp. 137 - 141
Main Authors:	Cohen, Nathan T., Harrar, Dana B., Diab, Yaser A., Pearl, Monica S., Murnick, Jonathan G.
Format:	Journal Article
Language:	English
Published:	Berlin/Heidelberg Springer Berlin Heidelberg 2020 Springer Nature B.V
Subjects:	Arterial Occlusive Diseases - complications Arterial Occlusive Diseases - diagnostic imaging Arterial Occlusive Diseases - etiology Atlanto-Occipital Joint - diagnostic imaging Atlanto-Occipital Joint - pathology Calcification Calcinosis - diagnostic imaging Case Report Child, Preschool Computed tomography Computed Tomography Angiography - methods Female Girls Humans Imaging Ischemia Joint Diseases - complications Joint Diseases - diagnostic imaging Joint Diseases - pathology Ligaments, Articular - diagnostic imaging Ligaments, Articular - pathology Magnetic Resonance Angiography - methods Medicine Medicine & Public Health Neuroradiology Nuclear Medicine Occlusion Oncology Pediatrics Radiology Ultrasound Vertebrae Vertebral Artery - diagnostic imaging Vertebral Artery - pathology Vertebral Artery Dissection - diagnostic imaging Vertebral Artery Dissection - etiology Stroke Bow hunter syndrome Atlanto-occipital ligament Calcification Vertebral artery Posterior circulation Child
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Summary:	We describe a 2-year-old girl with bow hunter syndrome complicated by vertebral artery dissection and multiple ischemic infarcts. Pediatric bow hunter syndrome is a rare and likely under-recognized disorder. Interestingly, our patient had atlanto-occipital ligament calcification on CT scan, an imaging finding that has not been reported in association with bow hunter syndrome and one that might help increase recognition of this dynamic disorder of the posterior circulation.
Bibliography:	ObjectType-Case Study-2 SourceType-Scholarly Journals-1 ObjectType-Feature-4 content type line 23 ObjectType-Report-1 ObjectType-Article-3
ISSN:	0301-0449 1432-1998
DOI:	10.1007/s00247-019-04515-0