Acronyms Acronym Definition AD  Alzheimer’s disease  AMT  carbon-11 alpha-methyl tryptophan  BGO  bismuth germinate  BMIPP  betamethyl-p-iodophenyl-pentadecanoic acid  CBF  cerebral blood flow  CBV  cerebral blood volume  CMRglc  cerebral metabolic rate of glucose  CMRO2  cerebral metabolic rate of oxygen  CPM  count per minute  DMSA  dimercaptosuccinic acid  DOTA  1,4,7,10-tetraazacyclododecane-1,4,7,10-tetraacetic acid  DPM  disintegration per minute  DTPA  diethylenetriamine pentaacetic acid  ECD  ethyl cysteinate dimer  EDTA  ethylene-diamine-tetra-acetic acid  EHDP  ethane-1-hydroxy-1, 1-diphosphonate  ENSDF  evaluated nuclear structure data file  FDG  fluorine-18 2-fluoro-deoxyglucose  FDOPA  3,4-dihydroxy-6-[18F]fluoro-phenylalanine  FET  O-(2-[18F]fluoroethyl)-L-tyrosine  FLT  [18]F-3'-deoxy-3'-fluorothymidine  FMZ  carbon-11 flumazenil  GDS  global deterioration scale  GH  glucoheptonate  HAS  human serum albumin  HDP  hydroxymethan diphosphonate  HED  carbon-11 hydroxyephedrine  HMPAO  hexamethylpropyleneamine oxime  HPLC  high-performance liquid chromatography  IMP  isopropyliodoamphetamine  IT  isomeric transitions  L-ECD  ethylene dicysteine diethyl ester  LHR  lung heart ratio  MAG3  mercaptylacetyltriglycine  MCI  mild cognitive impairment  MDP  methylene diphosphonate  MET  carbon-11 methionine  MHDP  methylene hydroxydiphosphonate  mHED  carbon-11 metahydroxyephedrine  MIBG  meta-iodobenzylguanidine  MIBI  methoxy isobutyl isonitrile  MMSE  mini-mental state examination  MRglc  glucose metabolic rate  MUGA  multigated acquisition  OEF  oxygen extraction fraction  OIH  orthoiodohippurate  PET  positron emission tomography  PIB  Pittsburgh compound B (2-[4´-(methylamino)phenyl]-6-hydrobenzothiazole)  PIOPED  prospective investigation of pulmonary embolism diagnosis  RAD  roentgen absorbed dose   1 of 2