[HTML][HTML] EANM practice guideline for quantitative SPECT-CT

…, PM Gabiña, AM Denis-Bacelar, AK Krizsan… - European journal of …, 2023 - Springer
Purpose Quantitative SPECT-CT is a modality of growing importance with initial developments
in post radionuclide therapy dosimetry, and more recent expansion into bone, cardiac …

[HTML][HTML] EANM guidelines for PET-CT and PET-MR routine quality control

M Koole, I Armstrong, AK Krizsan, A Stromvall… - … für Medizinische Physik, 2023 - Elsevier
We present guidelines by the European Association of Nuclear Medicine (EANM) for routine
quality control (QC) of PET-CT and PET-MR systems. These guidelines are partially based …

[HTML][HTML] 3D printed anthropomorphic left ventricular myocardial phantom for nuclear medicine imaging applications

…, M Miko, A Forgacs, G Trencsenyi, AK Krizsan - EJNMMI physics, 2022 - Springer
Background Anthropomorphic torso phantoms, including a cardiac insert, are frequently
used to investigate the imaging performance of SPECT and PET systems. These phantom …

Cold wall effect eliminating method to determine the contrast recovery coefficient for small animal PET scanners using the NEMA NU-4 image quality phantom

…, A Forgacs, CK Hoh, I Joszai, AK Krizsan… - Physics in Medicine …, 2014 - iopscience.iop.org
The contrast recovery coefficients (CRC) were evaluated for five different small animal PET
scanners: GE Explore Vista, Genisys4, MiniPET-2, nanoScan PC and Siemens Inveon. The …

A promising future: Comparable imaging capability of MRI-compatible silicon photomultiplier and conventional photosensor preclinical PET systems

AK Krizsan, I Lajtos, M Dahlbom, F Daver… - Journal of Nuclear …, 2015 - Soc Nuclear Med
We recently completed construction of a small-animal PET system—the MiniPET-3—that
uses state-of-the-art silicon photomultiplier (SiPM) photosensors, making possible dual-…

[HTML][HTML] Performance evaluation of a novel multi-pinhole collimator on triple-NaI-detector SPECT/CT for dedicated myocardial imaging

AK Krizsan, K Kukuts, W Al-Muhanna, Z Szoboszlai… - EJNMMI physics, 2023 - Springer
Background In this study we evaluated the imaging capabilities of a novel Multi-pinhole
collimator (MPH-Cardiac) specially designed for nuclear cardiology imaging on a Triple-NaI-…

[HTML][HTML] Activity painting: PET images of freely defined activity distributions applying a novel phantom technique

A Forgacs, P Kallos-Balogh, F Nagy, AK Krizsan… - PLoS …, 2019 - journals.plos.org
The aim of this work was to develop a novel phantom that supports the construction of highly
reproducible phantoms with arbitrary activity distributions for PET imaging. It could offer a …

Whole body PET imaging using variable acquisition times

AK Krizsan, J Czernin, L Balkay… - IEEE Transactions on …, 2014 - ieeexplore.ieee.org
Whole Body PET scans are typically performed as a series of image sets acquired at discrete
axial positions to cover most or all of the body. The acquisition time at each axial position is …

Simulation studies with SiPM arrays and LYSO crystal matrix analyzing a new readout scheme

AK Krizsan, SA Kis, J Gal, G Hegyesi… - 2012 IEEE Nuclear …, 2012 - ieeexplore.ieee.org
The concept of implementing Positron Emission Tomography and Magnetic Resonance
Imaging in a dual modality imaging system gained high scientific importance recently. SiPM …

[HTML][HTML] Q-Bot: automatic DICOM metadata monitoring for the next level of quality management in nuclear medicine

F Nagy, AK Krizsan, K Kukuts, M Szolikova, Z Hascsi… - EJNMMI physics, 2021 - Springer
Background Regular and precise inspection of the realization of the local nuclear medicine
standard operation procedures (SOPs) is very complex and time-consuming, especially …