General NM · Neurology
Neurology
Which test should I use?
Pick a clinical scenario for the suggested first-line test and alternative.
Tracers at a glance
Tap any tracer for its mechanism, timing and use — these entries recur across the site.
Clinical topics
Brain perfusion SPECT
HMPAO/ECD — dementia, epilepsy, cerebrovascular reserve.
FDG brain PET (dementia)
Alzheimer, FTD and DLB metabolic patterns.
Dopamine transporter (DaTSCAN)
Parkinsonism vs tremor; DLB support.
Amyloid & tau PET
Alzheimer amyloid status; tau topography.
Epilepsy imaging
Ictal SPECT + interictal FDG; SISCOM.
Brain-death confirmation
Cerebral perfusion — the empty-skull sign.
CSF studies
Cisternography, CSF leak, shunt patency.
Neuro-oncology PET
Amino-acid PET for glioma and recurrence.
Movement disorders
DaT SPECT, FDOPA and FDG patterns in PD, MSA, PSP, CBD, DLB, HD. Full article.