Ultrasonography of salivary gland: A pictorial review

Ultrasound has been introduced into the medical field around 1940s, since than it has been widely used. It has been found many adherents in the fields of ophthalmology and obstetrics and gynecology. It has proved invaluable in cardiology and abdominal diseases. In recent years, the role of ultrasonography in the head and neck has expanded dramatically. It is used in establishing differential diagnosis of cystic neck masses, solid masses and lymphadenopathies. It not only serves for the differentiation between benign and malignant lymphadenopathy and also between intraglandular and extraglandular abnormalities of the salivary glands, with 90-95% accuracy.