Recovery of motor functions following hemiparetic stroke: a clinical and magnetic resonance-morphometric study

F Binkofski, RJ Seitz, T Hackländer, D Pawelec… - Cerebrovascular …, 2001 - karger.com
Predictors for the degree of clinical recovery after stroke are still poorly defined. In this study
we tried to assess the predictive value of clinical data and of lesion size for motor recovery …

1H T1 and T2 measurements of the MR imaging contrast agents Gd-DTPA and Gd-DTPA BMA at 1.5 T

JR Reichenbach, T Hackländer, T Harth, M Hofer… - European …, 1997 - Springer
We report in vitro T 1 and T 2 relaxation studies for the open-chain complexes Gd-DTPA
and Gd-DTPA BMA. Measurements were performed on phantoms containing aqueous and …

Measurement of cerebral blood volume via the relaxing effect of low-dose gadopentetate dimeglumine during bolus transit.

T Hackländer, JR Reichenbach… - American journal of …, 1996 - Am Soc Neuroradiology
… Using a radioactive tracer as an indicator, we can determine the amount q(t) directly by
measuring the decay rate. This is different in MR imaging, where the measured signal in each …

Virtual MRI: A PC-based simulation of a clinical MR scanner1

T Hackländer, H Mertens - Academic radiology, 2005 - Elsevier
… (5): T 2 * = 1 1 T 2 + γ ⋅ Δ B In case of the magnetic field inhomogenity the virtual MR scanner
simulates a typical real-world scanner with a field strength B = 1.0 T. These scanners have …

Value of diffusion-weighted imaging for diagnosing vertebral metastases due to prostate cancer in comparison to other primary tumors

T Hackländer, C Scharwächter, R Golz… - RoFo: Fortschritte auf …, 2006 - europepmc.org
Purpose Several publications have reported that the apparent diffusion coefficient is
generally lower in metastatically affected vertebrae. Therefore, metastases are represented in …

Comparison of cerebral blood volume measurements using the T1 and T2* methods in normal human brains and brain tumors

T Hackländer, JR Reichenbach… - Journal of computer …, 1997 - journals.lww.com
… Measurements were performed using GE sequences on a 1.5 T scanner without echo planar
imaging capability. As a measure of quality of a single examination, the temporal behavior …

Cerebral blood volume maps with dynamic contrast-enhanced T1-weighted FLASH imaging: normal values and preliminary clinical results

T Hackländer, M Hofer, JR Reichenbach… - Journal of computer …, 1996 - journals.lww.com
Purpose In this article we investigate the application of a method that uses the relaxation
effect of bolus-like injected Gd-DTPA to quantify regional cerebral blood volume (rCBV). The …

Individual integration of positron emission tomography and high-resolution magnetic resonance imaging

…, G Schlaug, H Herzog, T Hackländer… - Journal of Cerebral …, 1992 - journals.sagepub.com
We have developed, validated, and employed a technique of retrospective spatial
alignment and integrated display of positron emission tomographic (PET) and high-resolution …

Evaluation of renovascular hypertension: comparison of functional MRI and contrast-enhanced MRA with a routinely performed renal scintigraphy and DSA

T Hackländer, H Mertens, J Stattaus… - Journal of computer …, 2004 - journals.lww.com
Objective: The main objective of this study was to evaluate a clinically suspected renovascular
hypertension (RVH) by means of MRI. It was to find out if functional MRI (fMRI) is able to …

Geometric properties of the fractured tibia stabilized by unreamed interlocking nail: development of a three-dimensional finite element model

…, W Kynast, V Lesch, U Kukulies, T Hackländer… - … and biomedical research, 1996 - Elsevier
Based upon magnetic resonance scans of five human tibiae a three-dimensional finite
element model using eight nodal isoparametric elements was developed to analyze the …