CASE HISTORY / CLINIC:
Patient with recurring postprandial swelling of the right submandibular gland. Swelling resolves after a massage of the gland. Complaint has been existing for many years.


FINDINGS:
The fat saturation T2-weighted images (left image) of the floor of the mouth demonstrates a pronounced congestion of the excretory duct of the right submandibular gland. Demonstration of signal effacement (stone) at the ventral end.
The congested excretory duct appears dark while the stone shows a signal effacement in the T1-weighted image without contrast administration (upper right image).
The congested excretory duct of the right submandibular gland shows a high signal intensity (lower picture). The excretory duct of the left submandibular gland appears comparatively subtle.


DIAGNOSIS:
Sialolithiasis


Web resources:

1) Amersham Health
2) Medecoinfo
3) Pathologie Online
4) MRX