Letter N
NIPPLE SHADOW
Round white spots on a chest x-ray that are caused by the patient’s nipples. This is a normal finding, but it may be confused with an abnormality (i.e. pulmonary nodule).
NODE
Usually refers to lymph node.
NODE OF ROUVIERE
A lymph node in the upper neck also known as a lateral pharyngeal node. It can become infected, inflamed, or even cancerous.
NODULE
A white dot in the lung on a chest x-ray. This may represent early cancer. Alternatively, this can be associated with an infection, inflammation or metastatic disease. Also known as “pulmonary nodule” or “lung nodule”.
NON-HEMORRHAGIC
Means that there is no bleed. Often times your radiology report may say non-hemorrhagic infarct which means an infarct which has not bled.
NONOBSTRUCTIVE
No evidence of blockage.
NONOSSIFYING FIBROMA
Benign growth in bone.
NONUNION
Broken bone that is not healing normally.
NPH
Normal pressure hydrocephalus. The ventricles, or fluid-filled cavities of the brain are enlarged and bulging like a balloon. Can cause symptoms of dizziness, confusion, and problems with urine.
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