Term | Definition |
Radiology | Study of x-rays, radioactive substances and ionizing radiation. |
Radiologist | One who specializes in radiology. |
Radiogenic | Caused by or produced by radioactivity. |
Radiotherapy | The treatment of diseases by the use of x-rays and other radioactive substances. |
Roentgen (R) | The international unit for describing exposure dose of x-rays. |
(MRI)Magnetic Resonance Imaging | A technique that uses radio waves and powerful magnet to produce images of a body's internal organs. |
Dosimetrist | One who specializes in the planning and calculating of radiation dosage. |
Half-Life | The time required for half of the radioactivity of a substance to be reduced by radioactive decay. |
Scan | A process of using a moving device or a sweeping beam of radiation to produce images of the body. |
Echography | The process of using ultrasound waves for diagnostic and treatment purposes. |
Contrast Medium | A radiopaque or chemical substance used in some x-ray procedures to permit visualization of organs. |
Radioactive | Charactized by emitting radiant energy. |
ERTExternal Radiation Therapy | Method in which patient receives calculated doses of radiation from a machine located at some distance from a tumor. |
Internal Radiation Therapy | Patient receives radiation from source inside the body. |
Sealed Radiation Therapy | Radioactive material is sealed in gold container and placed closed to the tumor. |
Unsealed Radiation Therapy | Radioactive materials are administered IV or PO |
Nuclear Medicine | Branch of medicine that uses atomic particles for diagnostic or treatment purposes. |
Tomography | The process of ''cutting'' across and producing images of single tissue plains. Mammogram |
Cholecystogram | An x-ray record of the gallbladder. |
Angiocardiogram | An x-ray of the heart and great blood vessels. |
Hysterosalpingogram | An x-ray of the uterus and fallopian tubes. |
Pyelography | An x-ray study of the kidney and renal pelvis. |
Aortogram | An x-ray image of the aorta |
Anticoagulant | A substance which prevents blood from clotting. Like EDTA and Heparin. |
Buffy Coat | The white colored layer that forms between the packed RBC and the plasma and consists of WBC and Thrombocytes. |
WBC Count | The number of WBC per cubic mm |
Differential Count | Determines the percentage of each WBC |
(ESR) Erythrocyte Sedimentation Rate | Test that determines the speed at which RBC settle at the bottom of a tube. |
Hematocrit | Measures volume of RBC compare to whole blood. |
Artifact | Unwanted marks on a radiogram |
Myelograpy | Radiography of the spinal cord after injection of a contrast medium into the spinal canal. |
Fluoroscopy | Radiographic procedure that uses a fluorescent screen instead of a photographic plate to produce an image of tissues and deep structures of the body. |
CPK | Blood test that measures the level of the enzyme creatine phosphokinase. |
Pro-ThrombinPT | Measures the ability of the blood to clot. Used to evaluate the effectiveness of anticoagulation drug therapy. |
Mammogram | An X-ray image of the breast |