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E2008. Ultrasound of Salivary Gland Neoplasms
Authors
  1. Ian Armstrong; Albert Einstein College of Medicine
Background
Salivary gland neoplasms are rare but diverse tumors, most commonly affecting the major salivary glands. Ultrasound provides good resolution of the superficially located salivary glands and is often used as an initial imaging test for salivary gland disease. However, its diagnostic utility in neoplastic salivary gland pathology is limited by the overlapping ultrasonographic features of benign and malignant lesions. Nevertheless, the radiologist should be familiar with the classic ultrasonographic findings of the more common salivary gland neoplasms, as well as the role of ultrasound and other imaging modalities in the diagnosis and treatment of these diseases.

Educational Goals / Teaching Points
Review of normal ultrasonographic anatomy of the major salivary glands. Review epidemiology and clinical features of the more common salivary gland neoplasms. Illustration of classic ultrasonographic appearance of the more common salivary gland neoplasms, with gross pathologic correlation. Discussion of the role of imaging (with a focus on ultrasound) in the diagnosis and treatment of salivary gland neoplasms.

Key Anatomic/Physiologic Issues and Imaging Findings/Techniques
The exhibit will review the ultrasonographic anatomy of the parotid, submandibular, and sublingual glands; the classification and epidemiology of salivary gland neoplasms; the clinical and ultrasonographic characteristics of the most common neoplasms, both benign (pleomorphic adenoma, Warthin tumor) and malignant (mucoepidermoid carcinoma); and the value and limitations of ultrasound and other imaging techniques (CT, MRI) in the diagnosis and treatment of neoplastic salivary gland disease.

Conclusion
This exhibit will review the ultrasonographic anatomy of the major salivary glands, the clinical and ultrasonographic features of common salivary gland neoplasms, and the role of ultrasound and other imaging techniques in the diagnosis and treatment of these diseases.