Parotid duct stone

Case contributed by Ian Bickle
Diagnosis certain

Presentation

Gentleman with right parotid pain, following eating. Previous history of salivary duct stones.

Patient Data

Age: 60 years old
Gender: Male
ultrasound

5mm stone in the intragladular component of the parotid duct, with proximal duct dilatation.

Strong acoustic shadow is demonstrated from the stone.

Annotated image

Annotated image highlighting stone and dilated salivary duct. 

Case Discussion

Sialolithiasis is most common disease of salivary glands, accounting for about half of all major salivary gland pathology.

The vast majority of stones involve the submandibular gland, with only a small proportion involving the parotid gland.

The gland may be evaulated with various imaging modalities including; ultrasound, sialography (fluroscopic), CT and MR sialography.

Fluroscopic stone retrieval may also be undertaken.

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