Friday, January 11, 2013

Stensen's Duct-MRI



42 years old man with left sided pain on eating with old USG (2 weeks)  suggesting tiny calculus in the Stensen's duct. The MRI shows essentially normal gland (left) with asymmetrically prominent duct  (as compared to the right), within the gland / at the exit / stensen's components.  The musculature and soft tissues are normal, could represent recently passed calculus / inflammation.





Teaching points by Dr MGK Murthy, MRI Technician- Umamaheshwar:

Stensen's duct is 4 to 7 cm long and 2 to 3 mm in diameter.

MDCT Sialogram is an ideal modality for evaluation.  MR plays complementory role in ductal evaluation with excellent  resolution of the glandular anatomy as well as the surrounding  soft tissues.

An oblique X-ray along with MRI would complete the routine  evaluation without invasive ductography.

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