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1 ls were used to estimate pancreas and spleen distribution volume.
2 t brain uptake can be robustly calculated as distribution volume.
3 odeling was used to estimate the radioligand distribution volume.
4 binding) to cerebellum (nonspecific binding) distribution volume.
5 occupancy by scopolamine and nondisplaceable distribution volume.
6 sponding to an approximately 90% decrease in distribution volume.
7 analysis method (MA1) to calculate regional distribution volume.
8 to evaluate (11)C-AS2471907 nondisplaceable distribution volume.
9 y, corresponding to changes in [(11) C]PBR28 distribution volume.
10 ypoxia (k3), perfusion (K1), and (18)F-FMISO distribution volume.
11 of tumor hypoxia, perfusion, and radiotracer distribution volume.
12 levetiracetam occupancy and nondisplaceable distribution volume.
13 ith regional tracer binding quantified using distribution volume.
14 del to derive reliable estimates of regional distribution volumes.
16 ntly increased after treatment (median tumor distribution volume, 0.182 vs 0.244; median whole liver
18 atistical analysis examined changes in total distribution volume after treatment with AZD3241 compare
20 y optimal methods for derivation of regional distribution volume and binding potential and to determi
21 l analysis yielded reliable estimates of the distribution volume and could separate newly diagnosed h
22 ector by constraining the binding potential, distribution volume and dissociation rate constant to im
23 umors liver metastases; a lower pretreatment distribution volume and high arterial flow fraction was
25 pretreatment did not affect cerebellar total distribution volume and reduced total distribution volum
27 [(123)I]5-IA SPECT images were converted to distribution volume and were analyzed using regions of i
31 A SPECT images were converted to equilibrium distribution volumes and were analyzed using regions of
32 0.4-1.0% for arterial fraction, 0.5-1.4% for distribution volume, and 0.0% for mean transit time.
33 1.1-2.1% for arterial fraction, 0.5-1.3% for distribution volume, and 0.2-1.8% for mean transit time.
34 and k3-surrogates for perfusion, (18)F-FMISO distribution volume, and hypoxia-mediated entrapment, re
35 on, and arterial flow but lower portal flow, distribution volume, and mean transit time than did the
36 rterial flow, portal flow, total blood flow, distribution volume, and mean transit time) parameters w
37 er transport rate constant k(1), equilibrium distribution volumes, and influx rate constant K than di
38 e benzodiazepine receptor binding measure of distribution volume are consistent with fewer benzodiaze
39 hought to be small (<10%), because values of distribution volume are stable during 60-120 min and var
41 (trans-4-fluorocyclohexanecarboxylic acid), distribution volumes attributed to the parent radioligan
42 ference tissue-based methods to estimate the distribution volume, binding potential (BPND), and SUVR.
44 nitoring, correlation of infused volume with distribution volume, clearance of infused liposome conta
45 The relationships between (123)I-iomazenil distribution volume, clinical features of alcohol depend
47 delivery and inducible nitric oxide synthase distribution volume did not significantly differ among g
49 availability was quantified as VT/fP (total distribution volume divided by free plasma concentration
50 but statistically significant reductions in distribution volume (DV) of both (R)- and (S)-[11C]nicot
52 ficantly reduced FMZ ligand influx (K1), FMZ distribution volume (DV), and 1CMRg1c bilaterally in the
53 fraction (ART), portal venous fraction (PV), distribution volume (DV), and mean transit time (MTT) of
55 analysis was used to calculate (18)F-FEAnGA distribution volumes (DV(Logan)) in various brain areas.
56 (DV) of different regions to the cerebellum distribution volume, DV(ratio)-1, which is proportional
57 binding site density (tissue-to-plasma DTBZ distribution volume, DV) from the cerebral and plasma DT
58 an index of nigrostriatal terminal density (distribution volume; DV), also provide a measure of tran
60 ressure), and brain DA [reduced decreases in distribution volumes (DVs) of [(11)C]raclopride, althoug
61 analyzed using graphic analysis to give the distribution volumes (DVs) of different brain regions.
63 ma to brain transfer constant (K1), striatal distribution volume (DVstr) and DA D2 receptor availabil
64 ) and Logan plot slopes, a measure of tracer distribution volume (equilibrium tissue-to-plasma ratio)
68 ) x 10(-1) ml/g; n = 5] agreed well with the distribution volume for compartment 1 of the 3-compartme
71 ided good fits to the PET data, and regional distribution volumes from the latter correlated well wit
73 cipants, the NFL players showed higher total distribution volume in 8 of the 12 brain regions examine
75 g revealed two large excursions in which the distribution volume in alcoholic patients was significan
76 s by examining the stability of the apparent distribution volume in DAT-rich (striatum) and DAT-poor
77 total distribution volume and reduced total distribution volume in other regions to a level comparab
81 onsistent with the rodent data, the apparent distribution volume in the cerebellum of both humans and
82 uantifying the following for 5-FU in tumors: distribution volume in the extracellular space, cell tra
84 lability was measured using the ratio of the distribution volume in the putamen to that in the cerebe
85 ning times required to derive time-invariant distribution volumes in all regions were comparable for
90 challenge with receptor ligands is that the distribution volume is confined to tissues with tracer u
91 challenge with receptor ligands is, that the distribution volume is confined to tissues with tracer-u
93 ire duration of imaging, in which delay, K1, distribution volume, k3, and k4 were optimized using a n
94 ron emission tomography measured MAO-A total distribution volume (MAO-A VT), an index of MAO-A densit
95 aging scans) and by a pixel-by-pixel method (distribution volume maps were analyzed with statistical
96 a dynamic PET scan to measure [(11)C] MePPEP distribution volume (ml/cm(3)) to index CB1R availabilit
97 ion of 12% EC in ethanol created the largest distribution volume, more than eight-fold that of pure e
98 he AD3241 treatment group (n = 18) the total distribution volume of (11)C-PBR28 binding to translocat
99 retreatment with LY2886721 reduced the total distribution volume of (18)F-PF-06684511 by 48%-80% depe
101 ic modeling of binding potentials revealed a distribution volume of 334 in cerebral blood that droppe
103 l contribution of MR(FDG), blood volume, and distribution volume of [(18)F]FDG in infectious lesions.
106 ance [ANOVA]), indicating an increase in the distribution volume of Gd-DTPA-BMA in postischemic myoca
107 cement of myocardial necrosis is the greater distribution volume of injured myocardium compared with
108 lood-to-brain transfer constant, Ki, and the distribution volume of mobile protons, Vp) of 15 out of
110 d a volume-of-interest basis using the total distribution volume of the radioligand (18)F-3-fluoro-5-
111 ulated with the formula: binding potential = distribution volume of the region of interest minus dist
113 There was no significant correlation between distribution volumes of (11)C-tariquidar or (11)C-elacri
114 s of (11)C-tariquidar or (11)C-elacridar and distribution volumes of (R)-(11)C-verapamil in different
115 -euglycemic clamps, transport parameters and distribution volumes of [(14)C]inulin were determined in
117 nucleoid, and (ii) localization patterns and distribution volumes of sRNAs can differ from some large
120 roaches yielded more stable estimates of the distribution volume ratio (1 + BPND), with coefficients
121 r characteristic analysis identified optimal distribution volume ratio (1.06) and standard uptake val
122 ng the specific distribution volume (VS) and distribution volume ratio (DVR [2TCM]) and a multilinear
123 Cortical 11C-Pittsburgh compound B (PiB) distribution volume ratio (DVR) and sampled iterative lo
124 quantification were explored including Logan distribution volume ratio (DVR) and static SUV ratio (SU
126 ed using various SUVR approaches, as well as distribution volume ratio (DVR) estimated with (blDVR) o
127 reduction (20.6%; P < 0.0001) in the mGluR5 distribution volume ratio (DVR) in the gray matter of 14
128 t using [18F]DPA-714 TSPO PET, quantified as distribution volume ratio (DVR) in total, frontal lobe,
129 The SUVRs were compared with Logan graphical distribution volume ratio (DVR) measurements (35-90 min)
131 Microglial activation was evaluated as the distribution volume ratio (DVR) of (11)C-PK11195 from dy
132 reference tissue method was used to generate distribution volume ratio (DVR) parametric maps for a su
133 Regional TSPO availability was measured as a distribution volume ratio (DVR) relative to the caudate
134 egion, was used to estimate various regional distribution volume ratio (DVR) values in the brain befo
135 RTM) and SRTM2; the Logan graphical analysis distribution volume ratio (DVR) was calculated for 30-15
136 n-of-interest analysis was performed and the distribution volume ratio (DVR) was computed for striatu
139 C-PBR28 PET total volume of distribution and distribution volume ratio (DVR) were estimated using 2-t
140 In vivo binding was evaluated using the distribution volume ratio (DVR) with respect to a refere
141 tention that included compartmental modeling distribution volume ratio (DVR), arterial- and reference
142 eta) in vivo is often accomplished using the distribution volume ratio (DVR), based on a simplified r
144 ts in that study, and measured the effective distribution volume ratio (EDVR) of [(18)F]DOPA influx r
145 lar amyloid measured by global mean cortical distribution volume ratio (P=0.075) and within the precu
147 etention was significantly increased in CAA (distribution volume ratio 1.18 +/- 0.06) relative to hea
148 retest variability was less than 15% for the distribution volume ratio and 12% for the radioactivity
149 ratio (r = 0.89; P = 0.001) but not between distribution volume ratio and either PR status or standa
151 there was a significant correlation between distribution volume ratio and T/N ratio (r = 0.89; P = 0
156 Tumor-to-normal-tissue ratios and tumor distribution volume ratio did not correlate with Ki-67 (
158 on of (18)F-FEOBV correlated highly with the distribution volume ratio estimates from reference tissu
163 A and AD subjects were PiB-positive, both by distribution volume ratio measurements and by visual ins
165 implified reference tissue model (SRTM) with distribution volume ratio minus 1 (DVR - 1) for 60- and
167 ta level was measured according to a summary distribution volume ratio of frontal, lateral temporal a
168 S had an increased hippocampal [(18)F]PBR111 distribution volume ratio relative to healthy control su
170 rol subjects (p = .024), and the hippocampal distribution volume ratio was strongly correlated with t
172 al-appearing white matter was estimated as a distribution volume ratio with respect to a caudate pseu
173 ar monoaminergic transporter type 2 binding (distribution volume ratio) and thalamic and cortical ace
174 ominent contributor to this group (mean [SD] distribution volume ratio, 1.08 [0.05] for the SNAP grou
176 g the baseline normal-appearing white matter distribution volume ratio, T2 lesion volume and normal-a
180 81.0%, standard uptake value ratiolow 83.3%; distribution volume ratiohigh 61.9%, standard uptake val
181 lds (standard uptake value ratiohigh = 1.40, distribution volume ratiohigh = 1.20) that are more cons
182 iolow 95.8%; standard uptake value ratiolow, distribution volume ratiohigh and standard uptake value
183 compound-B positivity (typically at or above distribution volume ratiohigh and standard uptake value
184 nsitive than high thresholds (sensitivities: distribution volume ratiolow 81.0%, standard uptake valu
185 neuritic plaques, with similar specificity (distribution volume ratiolow 95.8%; standard uptake valu
186 olds (standard uptake value ratiolow = 1.21, distribution volume ratiolow = 1.08) that represent the
187 s that were nearly identical to the a priori distribution volume ratiolow and standard uptake value r
188 s assessed visually and quantitatively using Distribution Volume Ratios (DVR) estimated from non-inva
189 s assessed visually and quantitatively using distribution volume ratios (DVR) estimated from noninvas
191 stigated for quantification of (18)F-MK-6240 distribution volume ratios (DVRs) in a subset of 19 part
192 o (SUVR) and the Logan plot result in biased distribution volume ratios (DVRs) in ligand-receptor dyn
194 y associated with higher striatal (11)C-DTBZ distribution volume ratios (least affected: r = 0.57, P
195 TSPO tracer (18)F-GE180, we then calculated distribution volume ratios after establishing a suitable
196 (18)F-ISO-1 was quantitated by SUV(max) and distribution volume ratios and was compared with ex vivo
197 n of (18)F-GE180, which correlated well with distribution volume ratios calculated from the entire re
198 ke value ratios calculated at late times and distribution volume ratios estimated with the reference
200 TBI showed significantly increased [11C]PiB distribution volume ratios in cortical gray matter and t
202 rmine noradrenaline transporter density, and distribution volume ratios of noradrenaline transporter-
205 ional (11)C-PIB retention was quantitated as distribution volume ratios using Logan graphical analysi
210 erize and compare cerebral-to-cerebellar PIB distribution volume ratios, reflecting fibrillar Abeta b
212 omographic images were converted to units of distribution volume (regional activity/free (123)I-iomaz
213 the uptake in the brain can be quantified as distribution volume relative to concentrations of (18)F-
215 enil revealed normal benzodiazepine receptor distribution volumes, similar to those seen in sporadic
216 this effect depends on the magnitude of the distribution volume, so that the bias is more pronounced
217 ients had significantly lower benzodiazepine distribution volume than comparison subjects in the fron
218 ection and residuals and resulted in greater distribution volumes than did no damping with the first
219 raphic method enables derivation of regional distribution volumes that are free from assumptions abou
221 Translocator protein density measured by distribution volume (TSPO VT) is increased in activated
222 The density of the enzyme was calculated as distribution volume using a 2-tissue-compartment model a
223 ility was quantified by the (18)F-FPEB total distribution volume using both voxel-by-voxel and volume
224 is technique was first optimized to maximize distribution volume, using tissue-simulating phantoms.
225 cer were found for transport k(1), influx K, distribution volume V(d), as well as early (6-10 min) an
227 and multilinear analysis 1 to compute total distribution volume (V (T)) and binding potential (BP (N
228 ling methods were applied to calculate total distribution volume (V (T)) and nondisplaceable binding
232 ts in the 42 healthy subjects (average Logan-distribution volume (V T) was 13.3+/-3.8 mL/cm(3) for fu
233 tes of glutamine pool size, specifically the distribution volume (V(D)) for (18)F-Gln, were more reli
234 olume (V(S)) and the nondisplaceable-binding distribution volume (V(ND)), differences in V(ND) across
235 Since V(T) is the sum of the ligand-specific distribution volume (V(S)) and the nondisplaceable-bindi
240 d that receptor density can be quantified as distribution volume (V(T)) using the gold standard of co
244 ility) were assessed for 3 outcome measures: distribution volume (V(T)), binding potential (BP), and
245 edures were used for calculation of regional distribution volume (V(T)), nondisplaceable binding pote
246 equate time for more accurate measurement of distribution volume (V(T)), which is the summation of re
249 terial input function, we measured the total distribution volume (V; specific plus nondisplaceable),
251 (specific plus nondisplaceable compartments) distribution volumes (V(T)') agreed between bolus and B/
252 ood data were used to calculate steady-state distribution volumes (V(T)) during the baseline conditio
255 ta and more robust derivations of the tissue distribution volumes (V(T), in mL/g) than a 2-tissue com
256 n clinical studies of TSPO, the ligand total distribution volume, V(T), is frequently the reported ou
258 was injected into Compartment 1, the initial distribution volume (Vd) of the antibody, which included
259 rmed in living brain (kloss); and the tracer distribution volume (Vd), which is an index of dopamine
260 9-yl)acetamide) to determine nondisplaceable distribution volume (VND) via Lassen occupancy plotting
262 orrected plasma data estimating the specific distribution volume (VS) and distribution volume ratio (
263 -compartment model fitted the data well, and distribution volume (VT) (mLcm(-3)) values ranged from 1
264 to arrive at reliable estimates of regional distribution volume (VT) and binding potential (BPND) wi
267 the absence of group differences in SUV and distribution volume (VT) estimated with an arterial inpu
269 ivated during neuroinflammation and the TSPO distribution volume (VT) is an index of TSPO density.
271 Intersubject variation in the cerebellar distribution volume (VT) was clearly related to the TSPO
275 late 5 outcome measures in 14 brain regions: distribution volume (VT), VT normalized by fP (VT/fP), a
278 in a priori volumes of interest, with total distribution volume (VT/fP) being the measure of nAChR a
279 gs of each parametric method were optimized, distribution volumes (VT) obtained with Logan graphic an
280 gs of each parametric method were optimized, distribution volumes (VT) obtained with Logan graphic an
282 er across the BRB (K1, k2) and total retinal distribution volume VTDuring ABCB1 inhibition, retinal V
283 er across the BRB (K1, k2) and total retinal distribution volume VTResults: During ABCB1 inhibition,
286 From the blocking scans, nondisplaceable distribution volume was determined to be 0.16 +/- 0.04 m
291 related to benzodiazepine receptor binding (distribution volume) was obtained with single photon emi
292 equate time for more accurate measurement of distribution volume, we selected a scan duration (i.e.,
299 noise is associated with underestimation of distribution volumes when data are analyzed with graphic
300 primary outcome parameter was [(18)F]FP-TZTP distribution volume, which is proportional to the produc