Letter U
ULCER
Damaged hole in the inner lining or of stomach of intestine.
ULCERATIVE COLITIS
Inflammation of colon.
ULNA
Long bone that forms part of the forearm, along with radius.
ULTRASOUND
A study using high-frequency sound waves to look inside the breast.
ULTRASOUND-GUIDED BIOPSY
This is a biopsy technique of the breast using ultrasound (as opposed to x-rays). This technique is usually used to sample anything other than microcalcifications. The patient lies supine (on her back) during this biopsy. Because most people more comfortable being on their back for a long time (compared to being on their belly), patients usually favor this technique over stereotactic biopsy. This is performed with local anesthesia and, for most patients, results in little pain.
UMBILICAL
Anything related to umbilicus (“belly button”).
UMBILICUS
“Belly button”
UNCOVERTEBRAL SPURRING
These are arthritic changes that occur in the small joints of the neck. They can press on a nerve and cause pain or numbness.
UNREMARKABLE
Basically means normal or negative.
UPTAKE
Refers to tracer (radioactive material) accumulation within an area on a Nuclear Medicine study.
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