User profiles for Ivo Rausch

Ivo Rausch

Medical University of Vienna
Verified email at meduniwien.ac.at
Cited by 1769

Performance evaluation of the Vereos PET/CT system according to the NEMA NU2-2012 standard

I Rausch, A Ruiz, I Valverde-Pascual… - Journal of Nuclear …, 2019 - Soc Nuclear Med
The aim of this study was to evaluate the physical performance of the Vereos whole-body
PET/CT system according to the National Electrical Manufacturers Association (NEMA) NU2-…

[HTML][HTML] Performance evaluation of the Biograph mCT Flow PET/CT system according to the NEMA NU2-2012 standard

I Rausch, J Cal-González, D Dapra, HJ Gallowitsch… - EJNMMI physics, 2015 - Springer
Background The purpose of the study is to evaluate the physical performance of a Biograph
mCT Flow 64-4R PET/CT system (Siemens Healthcare, Germany) and to compare clinical …

[HTML][HTML] PET/MRI versus PET/CT in oncology: a prospective single-center study of 330 examinations focusing on implications for patient management and cost …

…, S Polterauer, M Weber, I Rausch… - European journal of …, 2020 - Springer
Purpose PET/MRI has recently been introduced into clinical practice. We prospectively
investigated the clinical impact of PET/MRI compared with PET/CT, in a mixed population of …

Optimized feature extraction for radiomics analysis of 18F-FDG PET imaging

L Papp, I Rausch, M Grahovac, M Hacker… - Journal of Nuclear …, 2019 - Soc Nuclear Med
Radiomics analysis of 18 F-FDG PET/CT images promises well for an improved in vivo disease
characterization. To date, several studies have reported significant variations in textural …

Physical imaging phantoms for simulation of tumor heterogeneity in PET, CT, and MRI: an overview of existing designs

A Valladares, T Beyer, I Rausch - Medical physics, 2020 - Wiley Online Library
Background In oncology, lesion characterization is essential for tumor grading, treatment
planning, and follow‐up of cancer patients. Hybrid imaging systems, such as Single Photon …

Quality control for quantitative multicenter whole‐body PET/MR studies: a NEMA image quality phantom study with three current PET/MR systems

R Boellaard, I Rausch, T Beyer, G Delso… - Medical …, 2015 - Wiley Online Library
Purpose: Integrated positron emission tomography/magnetic resonance (PET/MR) systems
derive the PET attenuation correction (AC) from dedicated MR sequences. While MR‐AC …

Towards quantitative [18F] FDG-PET/MRI of the brain: automated MR-driven calculation of an image-derived input function for the non-invasive determination of …

…, O Muzik, L Rischka, A Hahn, I Rausch… - Journal of Cerebral …, 2019 - journals.sagepub.com
Absolute quantification of PET brain imaging requires the measurement of an arterial input
function (AIF), typically obtained invasively via an arterial cannulation. We present an …

[HTML][HTML] Whole-body metabolic connectivity framework with functional PET

MB Reed, MP de León, C Vraka, I Rausch… - Neuroimage, 2023 - Elsevier
The nervous and circulatory system interconnects the various organs of the human body,
building hierarchically organized subsystems, enabling fine-tuned, metabolically expensive …

[HTML][HTML] Hybrid imaging: instrumentation and data processing

J Cal-Gonzalez, I Rausch, LK Shiyam Sundar… - Frontiers in …, 2018 - frontiersin.org
State-of-the-art patient management frequently requires the use of non-invasive imaging
methods to assess the anatomy, function or molecular-biological conditions of patients or study …

[HTML][HTML] Image quality assessment along the one metre axial field-of-view of the total-body Biograph Vision Quadra PET/CT system for 18F-FDG

I Rausch, JG Mannheim, J Kupferschläger… - Ejnmmi Physics, 2022 - Springer
Aim Recently, total-body PET/CT systems with an extended axial field-of-view (aFOV) became
commercially available which allow acquiring physiologic information of multiple organs …