Imaging Features of Immunotherapy

Abstract Immunotherapy is a relatively new treatment in the armamentarium of cancer and has proven effective even advanced stages. utilizes body’s own immune system to elicit response against tumor cells. Response immunotherapy can be different on imaging when compared with cytotoxic chemotherapy, since an lead initial increase size, termed pseudoprogression. Additionally, immune-response adverse events occur which include colitis, enteritis, hepatitis, pneumonitis, pancreatitis, hypophysitis, other inflammatory responses. The increasing use requires radiologist cognizant this while assessing possible events.