Your heart and breathing rate, blood pressure, and temperature are monitored in a recovery area until it is certain you have no complications. You are instructed to stay in bed for 24 hours. If a liver biopsy was performed, you will have to lie on your right side for the first two hours. Consume only clear liquids for several hours, then full liquids for 12 to 24 hours. Nearly half of patients have pain after the test, usually in the right shoulder, which may last one to two days.
Factors affecting results Failure to fast before the test.
The tissue sample is stained with various dyes and examined under a microscope. Abnormal patterns observed in the sample may be characteristic of various conditions, including infection, inflammation, and cancer. It provides a tissue sample without surgery. It yields minute amounts of tissue compared with a biopsy performed during surgery. As a result, the abnormality or the part of the abnormality that is likely to be most revealing for diagnosis may be missed.