Short for Ã¢â‚¬Ëœradiation absorbed doseÃ¢â‚¬â„¢, a measure of radiation absorbed by tissues (100Rad=1Gray)
A doctor who specializes in the utilization of X-rays to treat disease. Generally certified in the specialty by the American Board of Radiology (ABR)
A physicist who specializes in the medical applications of radiation. Generally certified in the specialty by the American Board of Radiology (ABR)
A technologist with special training who runs the equipment which delivers radiation treatments. Generally certified in the specialty by the ARRT
Radiation therapy, or Radiotherapy
Use of high energy rays or particles to treat disease. Types include X-Ray, Electron Beam, Gamma rays from Cobalt, Radium, Iridium, Cesium.
A doctor who specializes in the utilization of X-rays to diagnose disease. Generally certified in the specialty by the American Board of Radiology (ABR)
The reappearance of a disease after a period of remission.
Red blood cells (Erythrocytes)
Cells in the blood that deliver oxygen to tissues and take carbon dioxide from them.
Red blood count (RBC)
The number of red blood cells seen in a blood sample.
A term commonly used to describe a situation where the disease is no longer controlled by current therapy.
The shrinkage of a mass.
The reappearance of a disease after its apparent cessation.
Complete or partial disappearance of the signs and symptoms of disease. A remission does not necessarily mean a cure.
Anything that increases a person's chances of developing cancer, for example, smoking is a risk factor of lung and head/neck cancer.
A malignant tumor of soft tissue or bone.
Cancer of cartilage that usually occurs near the ends of the long bones.
A cancer starting in bone, affecting the bones of extremities. It often appears before the age of 20.
Secondary effects of drugs used for disease treatment.
The visual examination of the rectum and lower colon using a tubular instrument called a sigmoidoscope.
A procedure involving obtaining special X-Ray pictures that are used to to plan the delivery of radiation therapy. It is performed before and occasionally during radiation therapy to insure accurate treatment.
Secretions produced by the lungs.
A medical term for the process of determining if a known cancer is still confined within the primary site, or if it has spread outside of the original area. The staging system that is most widely used is the AJCC system. It includes the tumor size (T), lymph node status (N) and metastatic status (M).
An artificial opening between two cavities or between a cavity and the surface of the body.
Temporary inflammation and soreness of the mouth.
Into the fatty tissue under the skin.
A disease that affects the entire body instead of a specific organ.