User profiles for Karl-J. Langen

Karl-Josef Langen

Verified email at fz-juelich.de
Cited by 18133

Prognostic value of early [18F] fluoroethyltyrosine positron emission tomography after radiochemotherapy in glioblastoma multiforme

…, G Stoffels, HH Coenen, HJ Kaiser, KJ Langen… - International Journal of …, 2011 - Elsevier
PURPOSE: Early detection of treatment response in glioma patients after radiochemotherapy
(RCX) is uncertain because treatment-related contrast enhancement in magnetic …

Whole-body distribution and dosimetry of O-(2-[18F]fluoroethyl)-l-tyrosine

…, HW Müller, HH Coenen, KJ Langen - European journal of …, 2003 - Springer
The whole-body distribution of O-(2-[ 18 F]fluoroethyl)-l-tyrosine (FET) was studied in seven
patients with brain tumours by positron emission tomography (PET). Based on the IMEDOSE …

Comparison of O-(2-18F-fluoroethyl)-L-tyrosine PET and 3-123I-iodo-α-methyl-L-tyrosine SPECT in brain tumors

…, HW Müller, HH Coenen, KJ Langen - Journal of Nuclear …, 2004 - Soc Nuclear Med
The aim of this study was to compare PET with O-(2- 18 F-fluoroethyl)-L-tyrosine ( 18 F-FET)
and SPECT with 3- 123 I-iodo-α-methyl- l-tyrosine ( 123 I-IMT) in patients with brain tumors. …

Prognostic impact of postoperative, pre-irradiation 18F-fluoroethyl-l-tyrosine uptake in glioblastoma patients treated with radiochemotherapy

…, H Herzog, HH Coenen, MJ Eble, KJ Langen - Radiotherapy and …, 2011 - Elsevier
Background and purpose Resection is considered as essential for the efficacy of modern
adjuvant treatment of glioblastoma multiforme (GBM). Previous studies have indicated that …

3-(123I) Iodo-alpha-methyltyrosine and (methyl-11C)-L-methionine uptake in cerebral gliomas: A comparative study using SPECT and PET

KJ Langen, K Ziemons, JCW Kiwit… - The Journal of Nuclear …, 1997 - search.proquest.com
Langen, Karl Ziemons, Jiirgen CW Kiwit, Hans Herzog, Torsten Kuwert, Wolfgang J. Bock,
Gerhard Stocklin, Ludwig E. Feinendegen and Hans-W. … For correspondence or reprints …

[HTML][HTML] Integrated-boost IMRT or 3-D-CRT using FET-PET based auto-contoured target volume delineation for glioblastoma multiforme-a dosimetric comparison

…, C Demirel, C Attieh, HJ Kaiser, KJ Langen… - Radiation …, 2009 - Springer
Background Biological brain tumor imaging using O-(2-[ 18 F]fluoroethyl)-L-tyrosine (FET)-PET
combined with inverse treatment planning for locally restricted dose escalation in patients …

Transport of cis-and trans-4-[18F] fluoro-L-proline in F98 glioma cells

KJ Langen, H Mühlensiepen, S Schmieder… - Nuclear medicine and …, 2002 - Elsevier
The transport mechanisms of cis-4-[ 18 F]fluoro-L-proline (cis-FPro) and trans-4-[ 18 F]fluoro-L-proline
(trans-FPro) were studied in F98 rat glioma cells in comparison to the natural …

MR imaging and single-photon emission CT findings after gene therapy for human glioblastoma

FW Floeth, A Aulich, KJ Langen… - American journal …, 2001 - Am Soc Neuroradiology
BACKGROUND AND PURPOSE: Our goal was to evaluate MR imaging findings after local
intracerebral gene therapy in patients with glioblastoma and differentiate postoperative …

Whole-body kinetics and dosimetry of cis-4-[18F] fluoro-l-proline

AR Börner, KJ Langen, H Herzog, K Hamacher… - Nuclear medicine and …, 2001 - Elsevier
The whole-body distribution of 4-cis[ 18 F]fluoro-l-proline (cis-FPro) was studied in six
patients with urological tumors by PET. Based on the IMEDOSE and MIRDOSE procedures …

Compensatory mechanisms in patients with asymptomatic carotid artery occlusion

T Kuwert, M Hennerici, KJ Langen, H Herzog… - Neurological …, 1990 - Taylor & Francis
Twelve patients with asymptomatic occlusion of one (n = 8) or both (n =4) internal carotid
arteries were examined by positron emission tomography (PET) and transcranial Doppler …