Letter W
WEGENER’S GRANULOMATOSIS
Inflammation of blood vessels to organs. Commonly affected organs include kidneys and lungs.
WERNECKE’S
The part of the brain that helps your speech make sense.
WESTERMARK SIGN
A dark area within the lung on a chest x-ray. This is suggestive of a large pulmonary embolism.
WHITE BLOOD CELL SCAN
Type of Nuclear Medicine exam used to find a source of infection in the body.
WHITE MATTER
The nerve fibers of the brain that carry information in the form of electrical current.
WHITE MATTER DISEASE
Refers to abnormal white matter. The white matter is the nerve fibers in the brain that carry information in the form of electrical current. Commonly “mini-strokes” or “TIAs” affect the white matter. Other diseases such as infection, inflammation, or tumor, can affect the white matter.
WITHIN NORMAL LIMITS
Often used on radiology reports. Basically means negative or normal.
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