Inflammatory Disease of the Salivary Glands

Inflammatory lesions can also present as cystic abnormalities, including abscesses, some of which may be secondary to obstruction of the gland. Sialoadenitis may be the underlying cause and can present either with large abscesses or multiple microabscesses. Inflammation of the peripheral salivary ducts may be related to an underlying autoimmune condition. An example is Sjogren's disease, which is related to chronic sialoadenitis and leads to a dry mouth as the result of fibrous changes of the salivary glands. It is often related to an underlying collagen vascular disorder such as rheumatoid arthritis or systemic lupus erythematosus.

A sialocele is a collection of saliva that is often located outside of the gland or duct and is caused by leakage as the result of penetrating or blunt trauma.

Salivary gland calculi can cause obstruction of the glands. The diagnosis of calculi is made more easily and more accurately by x-ray techniques, such as CT or panorex, rather than MR.

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