Hot spot (nuclear medicine)
Skeleton scintigraphy with hot spot in the right midface
As a hot spot ( English hot spot ) in which is nuclear medicine a job with significantly increased Radionuklidbelegung in scintigraphy referred.
Depending on the examination, a hot spot can be an indication
- a malignant tumor ( malignancy )
- a tumor metastasis
- an organ disease ( autonomic adenoma of the thyroid gland )
- internal bleeding
- an inflammatory process (e.g. spondylodiscitis )
- activated visual cortex or language center
- a focus of epilepsy in a fit
A point with reduced nuclide occupancy is called a cold spot or cold lesion . Depending on the investigation, it may be indicative of
- a malignant tumor or metastasis (e.g. cold lump )
- a (metallic) foreign body ( pacemaker , total endoprosthesis )
- a cavity
- an inflammatory process (e.g. abscess )
- a degenerative tissue area (e.g. parietal lobe in Alzheimer's disease )
- a place with decreased metabolism (e.g. epilepsy focus between seizures)
- a place of reduced blood flow (in case of circulatory disorders of the heart or brain)
- an area of the brain with reduced activation (e.g. crossed cerebellar diaschisis )
swell
- Ignac Fogelman: An Atlas of Clinical Nuclear Medicine. Elsevier Health Sciences, 1994, 2nd Edition. ISBN 978-081-513341-4 .
