Radiology Key

Fig. 1 Exemplary DSC signal–time curves obtained in arterial vessels (a), gray matter (b), and white matter (c) The challenge is now to transform the measured signal changes into valid…

  Peak Biology Marker Increase Decrease N-Acetyl-aspartate NAA 2.02 ppm Second-most-concentrated cerebral amino acid Synthesis in neuronal mitochondria from the amino acid aspartic acid and acetyl-coenzyme A Functions still under…

Fig. 1 View through the microscope, the left image shows the native surgical site of a small glioblastoma. After exogenous 5-ALA application, tumor cells will become fluorescent under ultraviolet light…

X 2 – average mean-squared diffusion distance along one direction D – diffusion coefficient T d – diffusion time (adopted from Le Bihan and Johansen-Berg 2012) The diffusion coefficient is…

Tracer Molecular target 18F-2-fluoro-2-deoxy-d-glucose (FDG) Glucose metabolism 11C-methyl-l-methionine (MET) Amino acid transport O-(2-18F-fluoroethyl)-l-tyrosine (FET) Amino acid transport 3,4-Dihydroxy-6-18F-fluoro-l-phenylalanine (FDOPA) Amino acid transport 18F-3′-deoxy-3′-fluorothymidine (FLT) Proliferation 18F-fluoromisonidazole (FMISO) Hypoxia 18F-fluoroethyl-choline Phospholipid…

Fig. 1 Discriminating glycine from myo-inositol by comparing short and long TE spectra. a shows a spectrum from normal tissue and b from tumor tissue at TE of 30 ms….

Fig. 1 A left frontal glioblastoma is shown in a conventional T1-w axial image (T1-w) without a contrast agent, in a map of quantitative R1 relaxation rate (qR1) with R1 = 1/T1,…

Fig. 1 Intensity-modulated radiotherapy (IMRT). The IMRT treatment plan for re-irradiation based on the FET uptake of the patient imaged in this figure. This plan of 39 Gy in 13…