MRI Technologistover 7 years ago
MR sialography
MR sialography is a non-invasive MRI technique used to evaluate diseases of the salivary ducts. MR sialography is based on the principle that stationary fluids will produce bright signal on heavily T2-weighted images. Sialography uses T2 weighted sequences with very long TR (8000) , TE(500) and fat suppression to highlight fluid and suppress other surrounding tissue signals. MR Sialography has the advantage of depicting the glandular parenchyma in addition to depicting sialolithiasis and other changes of the ductal structure. MRI imaging has the potential to provide spatial information on salivary gland function.
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