Deciphering Radiology One Term at a Time
There are 48 names in this directory beginning with the letter S.
A general term for pain related to the sciatic nerve; it may result from a herniated intervertebral disc in the spine.
A diagnostic procedure consisting of the administration of a radionuclide that accumulates in the organ or tissue of interest, followed by recording the distribution of the radioactivity with a stationary or scanning external scintillation camera.
Treatment involving the injection of a sclerosing (hardening) solution into vessels or tissues.
Imaging examination of the breast by means of x-rays, of individuals usually without symptoms, to detect unsuspected breast cancer.
One of the two major types of headaches. Secondary headaches are caused by an injury or underlying illness, such as bleeding in the brain, an infection or a brain tumor.
secure sockets layer (SSL)
A cryptographic communications protocol that provides secure transmissions on the Internet by encoding/decoding the data transfers.
Approaches that guide a patient to a state of relaxation by focusing attention on pleasant thoughts. Guidance is provided by specially trained radiology or other medical personnel. This condition may be achieved via distraction techniques or self-hypnotic relaxation.
A drug that allows you to relax during a procedure like angiography, often without putting you to sleep.
A sudden, uncontrollable wave of electrical activity in the brain that causes involuntary bodily movement, a change in attention or a loss of consciousness.
A condition marked by sudden, uncontrollable waves of electrical activity in the brain, causing involuntary movement or loss of consciousness.
A thick white fluid, made and stored in male testicles, that carries sperm out of the body through the penis during ejaculation.
sexually transmitted diseases (STDs)
Any infectious disease that is passed from one person to another during sexual contact.
A severe, chronic type of anemia caused by an abnormal form of hemoglobin that distorts the red blood cells. These abnormal red blood cells sometimes plug the blood vessels, causing damage to the organ downstream.
single-photon emission-computed tomography (SPECT)
An imaging test that uses a gamma camera and a computer to create three-dimensional (3-D) images of the distribution of a radiotracer in the body. SPECT is used to study blood flow through the heart muscle, and to study the brain, bones and to detect infection and certain types of tumors.
Social workers may be available to provide practical help and counseling to patients or members of their families and can help them to cope. They also may help arrange for home health care and other services. Social workers may be licensed. Licensed social workers must have a master's degree and must pass an examination.
An allied health professional who has been specifically trained to perform ultrasound examinations. Many sonographers are certified by a registry of sonographers, provided they meet strict training requirements and pass examinations in basic ultrasound science and clinical applications.
Syn: ultrasonography. The imaging of body structures by measuring the reflection or transmission of high frequency sound waves. Computer calculation of the distance to the sound-reflecting or -absorbing surface plus the known orientation of the sound beam gives a two- or three-dimensional image.
Sonography of the uterus and fallopian tubes using a transvaginal probe following the injection of sterile saline into the uterus via a thin catheter inserted through the cervix.
An instrument for enlarging the opening of a canal or cavity in order to facilitate inspection of its interior; most frequently used with Pap tests.
Sperm (or spermatozoa) is the male reproductive cell carried by semen through the penis when a man ejaculates.
A ring-like muscle that surrounds and is able to contract or close a bodily passage or opening.
A cylindrical bundle of nerves, lying within the vertebral column, that carries sensory messages from peripheral nerves to the brain, and motor impulses from the brain to the body's muscles.
A large organ located in the left, upper abdomen, beside the stomach; as part of the immune system, it produces white blood cells and acts as a blood filter.
stenosis, pl. stenoses
Also called a stricture. 1. An abnormal narrowing of any canal; for example, a narrowing of one of the cardiac valves. 2. Narrowing of an opening or passageway in the body. Stenosis of an artery may reduce blood flow through the vessel.
An x-ray procedure that uses multiple coordinates to precisely determine the location of a tumor or nodule so that a tissue sample may be obtained.
A heart monitoring test to discover how well the heart works, usually performed via physical exercise, sometimes via drugs to simulate heart stress.
Blood collection between middle (arachnoid) and inner (pia mater) linings of the brain. It can be a result of trauma, or a bursting (ruptured) aneurysm. An aneurysm is a small area of weakness of the wall of an artery, which may be congenital, or less commonly, due to other causes, such as an infection.
A major vein running under the collarbone (clavicle) which receives blood from the large vein of the upper arm and returns toward the heart.
superior vena cava
One of the largest veins in the body, it returns blood from the entire upper half of the body directly to the right atrium, one of the heart chambers.
A surgically created passageway to allow blood or other bodily fluids to flow between two locations. A shunt may be used to move fluid from one part of the body to another or to divert blood flow from one route to another.