Neuroimaging clinics of North America
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The complex anatomy and deep spaces of the head and neck limit physical examination while also offering many points for entry and spread of infection. Radiologic imaging plays a crucial role in managing head and neck infections by defining the location and extent of disease, facilitating abscess drainage, and identifying complications. This review provides essential background and examples for imaging infection throughout the head and neck region.
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Each orbit is a complex structure housing the globe, multiple cranial nerves, muscles, vascular structures, which support the visual sense. Many of these structures have been delineated in careful detail by anatomists but remain beyond the resolution of conventional imaging techniques. With the advances of higher resolution MR, surface coil usage, and thinner section computed tomographic images, the ability to resolve these small structures continues to improve, allowing radiologists to provide more detailed anatomic descriptions for preoperative and pretreatment planning.
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The pharynx is a complex muscular structure allowing breathing, swallowing, as well speech through common airspace. The normal imaging appearance of the pharynx and cervical esophagus can be challenging given the numerous interleaved surrounding muscles and numerous connections. This article presents the imaging anatomy of the pharynx and cervical esophagus and also discusses the clinical relevance of selected anatomical structures that have important significance in disease development and extension.
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The root of the neck is the junctional anatomic structure between the thoracic inlet, the axilla, and the lower neck. The detailed radiological anatomy of this critical area is discussed in this review.