Bow Hunter's syndrome (BHS) is a very rare condition in which there is rotational vertebral artery (VA) insufficiency. The association of BHS with rotational atlantoaxial instability is extremely rare. We are reporting a case of pediatric BHS who presented with features of VA insufficiency on neck rotation. Careful evaluation revealed rotational C1-C2 instability. Provocative digital subtraction angiography and dynamic neck computed tomography were the mainstay of our diagnostic armamentarium. Our case emphasizes the fact that VA abnormalities need special consideration in young patients with craniovertebral junction instability and a high degree of suspicion is necessary in most instances for accurate diagnosis.
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http://dx.doi.org/10.1055/s-0044-1787865 | DOI Listing |
J Neurosurg Case Lessons
December 2024
Department of Neurosurgery, Warren Alpert Medical School of Brown University, Providence, Rhode Island.
Background: Rotational vertebral artery occlusion, or bow hunter's syndrome (BHS), is a rare but clinically important cause of vertebrobasilar insufficiency. Extrinsic compression of the artery is usually caused by osteophytes, fibrous bands, or lateral disc herniation and typically occurs in the setting of anatomical variations, leading to dynamic compromise of the posterior circulation. Neoplastic causes of BHS are rare.
View Article and Find Full Text PDFCureus
November 2024
Neurology, Toho University Faculty of Medicine, Tokyo, JPN.
An 80-year-old man was admitted to our hospital with acute cerebellar infarction. Conventional magnetic resonance angiography and computed tomography angiography (CTA) showed occlusion of the right vertebral artery (VA). Carotid ultrasonography revealed that the right VA was narrowed at its entry point into the transverse foramen near C6.
View Article and Find Full Text PDFSurg Neurol Int
November 2024
Neuroteam CUU, Chihuahua Angels Hospital, Chihuahua, Mexico.
Background: Bow Hunter's syndrome (BHS) is a rare entity known as rotational vertebral artery occlusion syndrome. Classically, it presents with nausea, vertigo, and dizziness elicited by extension or rotation of the neck. There are several management approach modalities, including surgical and nonsurgical alternatives.
View Article and Find Full Text PDFSurg Neurol Int
November 2024
Department of Neurosurgery, Yokohama City University Graduate School of Medical Sciences, Yokohama, Japan.
Background: Vertebral artery (VA) stenosis can be caused by several factors, including arteriosclerosis, arterial dissection, and mechanical compression. Symptomatic vertebrobasilar insufficiency caused by VA stenosis due to mechanical compression associated with head rotation is well-known as Bow Hunter's syndrome. However, an accurate diagnosis of asymptomatic osteophyte compression-induced nonrotational VA stenosis is difficult.
View Article and Find Full Text PDFJ Stroke Cerebrovasc Dis
December 2024
Department of Neurology, Tsuchiura Kyodo General Hospital, Japan.
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