Sonographic appearances of salivary gland pathologies: A review

Salivary glands are affected in a wide array of disorders and numerous imaging modalities are available for their diagnosis, like conventional radiography, sialography, ultrasonography, nuclear medicine, MRI, and computed tomography. The visualization of the head & neck region using ultrasonography in imaging techniques is catching up because of it noninvasive and nonionizing modalities. Thus, it can be considered an advanced imaging option for the evaluation of salivary glands. This article focuses on the sonographic appearances of the various salivary gland pathologies.