Can a ct scan detect liver failure in metastic colon cancer?

No. A CAT scan is used to visually define the extent of metastatic colon cancer in the liver should metastasis be present. Liver failure is a condition measured by functional abnormalities that occur within the liver usually due to parenchymal damage such as inflammation from hepatitis . Here one measures serum enzymes and the presence of elevated alkaline phosphatase and bilirubin in serum.
Signs of failure. CT can see the footprints of a failing liver. Ascites and pleural effusions can be seen. Yes metastatic disease as well. Laboratory studies will also confirm was the CT suspects .