A gastric tissue biopsy and culture are laboratory tests that examine stomach tissue. These tests are typically carried out to determine the cause of a stomach ulcer or other troublesome stomach ...

A stomach biopsy, or gastric tissue biopsy, is a procedure to diagnose a range of conditions, including stomach ulcers. The biopsy involves removing a sample of stomach tissue. This sample is sent to ...

A biopsy is a sample of tissue taken from the body in order to examine it more closely. A doctor should recommend a biopsy when an initial test suggests an area of tissue in the body isn't normal.

Researchers at Mass Eye and Ear and Mass General Hospital have developed a blood test, or liquid biopsy, for head and neck cancer associated with the human papilloma virus (HPV) that was shown in a ...