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E2107. Adult Head and Neck Masses: Ultrasonography With Cross-Sectional Correlative Imaging
Authors
  1. Trinh Nguyen; University of Rochester
  2. Jarett Thelen; University of Rochester
Background
Adult head and neck masses frequently present as palpable abnormality, pain, or swelling and are thus commonly assessed with ultrasonography as first line imaging. Ultrasonography is inexpensive, readily available, and provides an effective means for characterization of the lesion. Information regarding the location, extent, internal content, and vascularity can be assessed with ultrasound, which can guide next step imaging and management. Additionally, the utility of ultrasound eliminates both radiation and iodinated/gadolinium-based contrast exposure to the patient. This exhibit focuses on characteristic ultrasound findings for various common and uncommon adult head and neck tumors, and demonstrates characteristic findings on cross-sectional correlative imaging.

Educational Goals / Teaching Points
After viewing this exhibit, the learner will be able to 1. Describe characteristic ultrasound findings of various common and uncommon adult head and neck masses 2. Correlate ultrasound appearance of these lesions with cross-sectional imaging 3. Recognize ultrasound findings which warrant further evaluation with cross-sectional imaging

Key Anatomic/Physiologic Issues and Imaging Findings/Techniques
A review of superficial adult head and neck tumors primarily using ultrasonography (US) with cross-sectional correlative computed tomography (CT) and magnetic resonance (MR) imaging

Conclusion
Ultrasound is often a first line imaging modality for evaluation of clinically apparent head and neck masses. The goal of ultrasound is often to determine the next best step in management. Benign tumors may be observed clinically or followed-up by ultrasound. More complex or large tumors may be further characterized by CT or MR imaging. It is important for radiologists to be familiar with ultrasound appearance of common head and neck lesions, and recognize when further evaluation with cross-sectional imaging is warranted.