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Bilateral parotid enlargement that does not fluctuate. White arrows show right parotid, black arrows bilateral parotid swelling — Chronically enlarged parotid glands in patient with diabetes and a BMI = 45 is consistent with sialosis based on clinical presentation and radiographic imaging. Sialosis may be accompanied with pain or may be painless.

CT imaging white arrows show right parotid enlargement — Enlarged parotid glands bilaterally (white arrows show right) with no sign of ductal dilation, stone, obstruction or inflammation.

Right parotid sialogram to rule out ductal obstruction showing enlarged gland with splayed appearance to acinar filling c/w sialosis — Right parotid sialogram confirms integrity of ductal drainage system showing enlarged gland with splaying appart of acini c/w sialosis.

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Iowa Head and Neck Protocols

Sialosis (Sialadenosis) - Sialogram and CT

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