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Free Content Paragangliomas of the Head and Neck: A Practical Approach to Diagnosis and Review of Detailed Anatomy of Sites of Origin

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Paragangliomas are slow-growing hypervascular neuroendocrine tumors that arise from neural crest paraganglia cells distributed throughout the body. The purpose of this article is to review the clinical presentation and imaging characteristics of paragangliomas of the head and neck, based on their sites of origin, and to discuss the differential diagnosis of lesions that can mimic them. This article also reviews detailed anatomy of the jugular fossa, temporal bone, and the carotid space, where most head and neck paragangliomas are found. This article is intended for neuroradiologists and neuroradiology trainees with varying degrees of experience as well as a broader audience of physician radiologists and nonradiologists who use imaging of the head and neck in their daily practice.

Learning Objective: To recognize the clinical presentation and imaging characteristics of paragangliomas of the head and neck, based on their sites of origin, and to differentiate these tumors from lesions that can mimic them.
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Keywords: PGL = paraganglioma

Document Type: Research Article

Publication date: August 1, 2020

More about this publication?
  • Neurographics is the peer-reviewed, bimonthly educational journal of the American Society of Neuroradiology. The journal comprises articles selected from material presented at the ASNR Annual Meeting. Neurographics also publishes other high-quality submissions that are primarily educational and have a high emphasis on a pictorial approach. Neurographics offers CME credit for reading review articles and completing quiz-based self-assessment activities.

    Visit the ASNR Education Connection to view all available CME courses.

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