Letter N
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.
NONUNION
Broken bone that is not healing normally.
NONOSSIFYING FIBROMA
Benign growth in bone.
NONOBSTRUCTIVE
No evidence of blockage.
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.
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”.
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.
NODE
Usually refers to lymph node.
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).
NIPPLE MARKERS
Metallic BBs that are placed on the nipples to help the radiologist distinguish a nipple shadow from a lung mass.
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