Tear drop sign of the superior mesenteric vein

Tear drop sign of the superior mesenteric vein (SMV) is one of the important signs in the staging of pancreatic adenocarcinoma. Its importance lies in its diagnosis as well as prognostic significance. This sign is used in assessing the resectability of pancreatic cancer.

Radiographic appearance

CT

In pancreatic head carcinomas invasion occurs with encasement of the portal vein and the superior mesenteric vein, this tethering of mass to superior mesenteric vein gives the tear drop appearance of SMV. The presence of sign indicates the unresectability of the tumour.

There are several other tear drops, please see the disambiguation article here.

Share article

Article Information

rID: 26075
Sections: Gamuts, Signs
Tags: cases, refs
Synonyms or Alternate Spellings:
  • Tear drop sign (SMV)
  • Tear drop superior mesenteric vein
  • Tear drop sign of SMV
  • Tear drop sign of superior mesenteric vein
  • Tear drop sign (superior mesenteric vein)

Support Radiopaedia and see fewer ads

Updating… Please wait.
Loadinganimation

Alert accept

Error Unable to process the form. Check for errors and try again.

Alert accept Thank you for updating your details.