Focal GB wall thickening due to localized metastatic deposit. From stomach, pancreas, bile ducts by direct invasion. From lungs, kidneys, esophagus, and malignant melanoma through blood. Similar look as primary CA, except that we do not usually see an associated stone.
Mets to the GB is rare.
None (unless their primary is causing symptoms). Sonographic Appearance:
Focal thickening of the GB wall. Non shadowing intraluminal mass with indistinct walls. Cholelithiasis usually absent.