Noninvasive quantitative fluorodeoxyglucose PET studies with an estimated input function derived from a population-based arterial blood curve.

S Takikawa, V Dhawan, P Spetsieris, W Robeson… - Radiology, 1993 - pubs.rsna.org
The authors have developed a technique to estimate input functions from a population-based
arterial blood curve in positron emission tomography (PET) studies with fluorine-18 …

[PDF][PDF] Input functions for 6-[fluorine-18] fluorodopa quantitation in parkinsonism: comparative studies and clinical correlations

S Takikawa, V Dhawan, T Chaly… - Journal of Nuclear …, 1994 - Soc Nuclear Med
(K1occ); and a simplilled population-derived FDOPA input func tion (K@@) were usedto
calculatestriatalK@. Results: Mean valuesfor all striatalK@ estimatesand SOR were …

Quantitative mapping of basal and vasareactive cerebral blood flow using split-dose 123I-iodoamphetamine and single photon emission computed tomography

…, N Enomoto, T Ogura, M Shidahara, S Takikawa… - Neuroimage, 2006 - Elsevier
A new method has been developed for diffusible tracers, to quantify CBF at rest and after
pharmacological stress from a single session of dynamic scans with dual bolus administration …

Imaging cerebral function

PG Spetsieris, V Dhawan, S Takikawa… - IEEE Computer …, 1993 - ieeexplore.ieee.org
The Scan Analysis and Visualization Processor (Scan/VP), a flexible, portable, Unix-based
software package for visualizing and analyzing positron emission tomography (PET) images …

[PDF][PDF] Bladder wall radiation dose in humans from fluorine-18-FDOPA

…, T Ishikawa, C Margouleff, S Takikawa… - Journal of Nuclear …, 1996 - Soc Nuclear Med
PET, in conjunction with 18F-fluorodopa (FDOPA), has become the standard technique to
assess basal ganglia degeneration in patients with movement disorders. Based on published …

SuperPETT 3000 time-of-flight PET tomograph: optimization of factors affecting quantitation

W Robeson, V Dhawan, S Takikawa… - IEEE transactions on …, 1993 - ieeexplore.ieee.org
In positron-emission tomography (PET), to certify that the observed radioactivity in the organ
of interest represents the true underlying radioactivity concentration, an experimental/…

Bilateral abducens nerve palsies in treated cases of subarachnoid hemorrhage

H Saito, N Nakayama, S Takikawa… - No Shinkei geka …, 2012 - europepmc.org
Isolated abducens nerve palsies associated with the rupture of intracranial aneurysms have
rarely been reported. We report two cases of isolated bilateral abducens nerve palsies …

Synthesis of 6-[18F] fluorodopamine with a synthetic unit made up of primarily sterile disposable components and operated by a master slave manipulator

…, A Belakhlef, V Dhawan, S Takikawa… - Applied radiation and …, 1993 - Elsevier
A synthetic procedure for the routine preparation of 6-[ 18 F]fluorodopamine has been
developed. The synthesis is based on electrophilic fluorination of a 6-mercurated dopamine …

Hemodynamic evaluation of vascular reconstructive surgery for childhood moyamoya disease using single photon emission computed tomography

S Takikawa, H Kamiyama, H Abe… - Neurologia medico …, 1990 - jstage.jst.go.jp
To evaluate the efficacy of vascular reconstructive surgery for childhood moyamoya disease,
the cerebral blood flow (CBF) in 31 hemispheres of 16 patients was examined by single …

A disposable synthetic unit for the preparation of 3-O-methyl-6-[18F] fluorodopa using a regioselective fluorodemercuration reaction

…, A Belakhleff, V Dhawan, S Takikawa… - Applied radiation and …, 1994 - Elsevier
A regioselective synthetic procedure for the routine preparation of 3-O-methyl-6-[ 18 F]fluorodopa
(3OMFD) has been developed. The synthetic procedure is based on electrophilic …