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Head and Neck

Sialolithiasis

History: 35 year old male with lump underneath tongue.

Sialolith: Axial CT of the mouth at the level of the mandibular teeth demonstrates a large sialolith (blue arrow) in the right submandibular duct.

Sialolith: Axial CT of the mouth at the level of the mandibular teeth demonstrates a large sialolith (blue arrow) in the right submandibular duct.

This is a pretty picture of a sialolith, which essentially is a calcified stone in a salivary gland duct. They most commonly form in the submandibular gland duct (Wharton’s duct) due to its long and upward going course.  Sialolithiasis presents with pain and swelling of the involved gland, often every time the patient eats or even thinks about eating, as this stimulates salivation.

A case from the New England Journal of medicine shows pictures of a sialolith, similar in size to the case above.

English: Schematic diagram of salivary gland

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About radiologypics

I am a radiology physician from California, USA.

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