Deciphering Radiology One Term at a Time
There are 61 names in this directory beginning with the letter P.
A measure of an individual's cigarette smoking history calculated by multiplying the number of cigarette packs smoked per day by the number of years the individual has smoked.
A genetic or viral condition characterized by excessive breakdown and formation of bone tissue that can lead to enlarged or misshapen bones.
An imaging examination of the pancreatic ducts. For x-ray pancreatography, the examination requires direct injection of contrast material into the pancreatic ducts. For MRI, pancreatography is performed without a direct contrast material injection, however an intravenous injection of contrast material may be used.
Typically four small raisin-sized glands in the neck primarily involved in the regulation of calcium and phosphorus levels in the body.
A hole in the walls of an organ or structure of the body that develops from a weak spot in the organ or from a deep penetrating wound caused by trauma.
Excessive fluid within the sac surrounding the heart, usually due to inflammation.
The surface of the body between the anus and the scrotum in men and between the anus and the vulva in women.
periventricular leukomalacia (PVL)
Damage to white matter brain tissue as a result of a lack of oxygen or blood flow to the brain prior, during or after birth.
A form of treatment in which a drug is administered and then activated by light.
Picture Archiving and Communication System (PACS)
A computer system for acquiring, storing, viewing, and managing digital medical imaging studies and related information.
An accumulation of fat and other substances on the inner wall of a blood vessel that, over time, may build up and limit or block blood flow through the vessel.
Particles that are formed in bone marrow and circulate in the blood. They bind at the site of a wound to begin the clotting process.
An excess of fluid in the pleural cavity, the space that surrounds the lungs and lies underneath the chest wall.
A thin layer of tissue that lines the pleural cavity, the space that surrounds the lungs and lies underneath the chest wall.
Also called pleural cavity. The cavity that exists between the lungs and underneath the chest wall. It is normally empty, with the lung immediately against the inside of the chest wall. In some diseases, fluid can build up in this space (a pleural effusion). In trauma, air can enter this space (a pneumothorax). Under either condition, excessive fluid or air in the pleural space can cause difficulty breathing since the lung is prevented from inflating fully.
A disorder in which there is an abnormal increase in the number of red blood cells in the blood.
A usually benign growth that bulges outward from the surface of normal tissue, usually appearing as an irregular mound- or mushroom-like structure growing from a broad base or a slender stalk.
Also called the hepatic portal vein. The main vein that carries blood from the digestive tract to the liver.
A condition that includes pain, nausea, vomiting and low-grade fever that many patients experience following an embolization procedure. to prevent blood from flowing to the area.
A term typically denoting the direction of x-rays, from posterior to anterior, through a body part.
A condition in which the adrenal glands produce too much of the hormone aldosterone, leading to high blood pressure.
One of the two major types of headaches. Primary headaches, which include cluster, migraine and tension headaches, are not associated with a medical condition or disease.
1. A slender rod of flexible material, with blunt bulbous tip, used for exploring sinuses, fistulas, other cavities, or wounds. 2. A device or agent used to detect or explore a substance; e.g., a molecule used to detect the presence of a specific fragment of DNA or RNA or of a specific bacterial colony. 3. To enter and explore, as with a probe.
This procedure uses a special camera at the end of a tube that allows the doctor to see inside the rectum.
Related to a medical prognosis, a prediction of the course and likely outcome of a disease.
prophylactic cranial radiation
Exposure of the brain to low-dose radiation in a cancer patient in order to prevent the tumor from spreading to this site.
A tumor of the prostate gland, which is located in front of a man's rectum and below the bladder.
Blockage of the arteries in the lungs, most frequently by detached fragments of a blood clot from a leg or pelvic vein, commonly when that clot follows an operation or confinement to bed.
A type of high blood pressure within the network of blood vessels between the heart and lungs.
A test that involves a small device placed on a finger tip to measure the oxygen saturation of the blood.
Radiologic study of the kidney, ureters, and usually the bladder, performed with the aid of a contrast material either injected intravenously, or directly from below via the urethra, or from above through the kidney (either via a direct puncture or through a previously placed catheter).
A bacterial infection of the kidney that may occur when a urinary tract infection (UTI) spreads beyond the bladder to the ureters and kidneys.