Neuroimaging clinics of North America
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Neuroimaging Clin. N. Am. · Aug 2022
ReviewAnatomy of the Intracranial Arteries: The Anterior Intracranial and Vertebrobasilar Circulations.
The intracranial vasculature, separated into the anterior and posterior circulations, constitute an elegant and complex cerebrovascular bed providing redundant supply to the brain. Here the authors present an anatomic framework for understanding the segmental and branch anatomy, clinically important anastomotic pathways, and pathology of the intracranial arterial system with a focus on angiographic definition.
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Neuroimaging Clin. N. Am. · May 2022
ReviewParathyroid Computed Tomography: Pearls, Pitfalls, and Our Approach.
Parathyroid imaging is predominantly used for preoperative localization of parathyroid lesions in patients with the biochemical diagnosis of primary hyperparathyroidism. Although imaging algorithms vary, in the era of minimally invasive parathyroidectomy for single parathyroid adenomas, multiphase parathyroid computed tomography (CT) (4-dimensional CT) has emerged as a favored modality for presurgical mapping of parathyroid lesions. Implementation and correct interpretation of these studies can be challenging, although confidence and accuracy improve with experience and volume. This article reviews our approach to parathyroid imaging, focusing on pearls and pitfalls in parathyroid CT with ultrasound as a supportive and complementary modality.