Showing 951 - 960 of 1103 Items
STEREOTACTIC BIOPSY
This is a biopsy technique of the breast using x-rays (as opposed to ultrasound). This technique is usually used to sample microcalcifications. The patient lies prone (belly down) on a specialized table with a hole at the breast level. The breast "hangs" through the hole and is put into compression like a regular mammogram. X-ray pictures of the breast are taken and a computer calculates the position of the abnormality within the breast. This technique is highly accurate. This procedure is performed with local anesthesia and,for most patients, results in little pain.
STERNUM
Breastbone in the center of the chest.
STIR
An MRI technique that makes any fluid containing structure very bright. It cannot tell the difference between brightness related to tumor, trauma, infection, or surgical changes however.
STOMACH BUBBLE
Another word for describing air in the stomach. It is a normal finding on a chest x-ray. It is usually seen under the left hemidiaphragm.
STRANGULATED HERNIA
Herniated tissue with lack of oxygen because of squeezed blood vessels. This can result in death of the herniated tissue.
STREAK ARTIFACT
Shiny lines that partially hides your body parts on CT. Typically caused by metallic objects (such as hip replacement).
STYLOID
Hooklike part at the end of a bone.
SUBARACHNOID
A normal fluid space in the brain. This normally contains cerebral spinal fluid or CSF.
SUBARACHNOID HEMORRAGE
Blood in the brain.
SUBCHONDRAL
Underneath the cartilage.
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