RT Book, Section A1 Crawley, Alexis L. A1 Ong, Kenneth C. A1 Fischbein, Nancy J. A2 Lalwani, Anil K. SR Print(0) ID 1169072857 T1 Radiology T2 Current Diagnosis & Treatment Otolaryngology—Head and Neck Surgery, 4e YR 2020 FD 2020 PB McGraw-Hill Education PP New York, NY SN 9780071847643 LK accessmedicine.mhmedical.com/content.aspx?aid=1169072857 RD 2024/04/19 AB Diagnostic imaging is an essential component of the evaluation of many otolaryngologic problems. Computed tomography (CT) and magnetic resonance imaging (MRI) are the most commonly used imaging modalities, with positron emission tomography (PET) playing an essential role in oncologic imaging. Ultrasound (US) will not be specifically discussed in this chapter.