Marian Smoluchowski
Institute of Physics

Jagiellonian University

Publications

ARTICLES CONFERENCE PROCEEDINGS POSTERS

1. Monte Carlo-Based Scatter Correction for the Plastic Based Modular PET Scanner J-PET

   R. Bayerlein^†, M. Das^†, S. Sharma, R. D. Badawi, E. Y. Beyene, N. Chug, C. Curceanu, E. Czerwiński, K. V. Eliyan, J. Hajduga, A. Hubalewska-Dydejczyk, S. Jalali, K. Kacprzak, T. Kaplanoglu, Ł. Kapłon, K. Kasperska, A. Khreptak, G. Korcyl, T. Kozik, K. Kubat, S. K. Kundu, A. K. Venadan, D. Kumar, E. Lisowski, F. Lisowski, J. Mędrala-Sowa, S. Moyo, W. Mryka, S. Niedźwiecki, M. Opalińska, P. Pandey, A. Pandey, S. Parzych, A. Porcelli, B. Rachwał, M. Rädler, B. A. Spencer, A. Sowa-Staszczak, M. Skurzok, T. Szumlak, S. Tiwari, P. Tanty, K. T. Ardebili, E. Ł. Stępień, and P. Moskał.

   ^†These authors contributed equally to this work.

   abstract

   Accepted for publication in Physics in Medicine and Biology
2. Development of correction techniques for a J-PET scanner
   M. Das, R. Bayerlein, S. Sharma, S. Parzych, S. Niedźwiecki, R. Badawi, E. Yitayew Beyene, N. Chug, C. Curceanu, E. Czerwiński, K. Valsan Eliyan, B. Głowa, A. Hubalewska-Dydejczyk, K. Kacprzak, T. Kaplanoglu, K. Kasperska, G. Korcyl, A. Khreptak, K. Kubat, D. Kumar, E. Lisowski, F. Lisowski, J. Mędrala-Sowa, S. Moyo, W. Mryka, M. Opalińska, P. Pandey, M. Rädler, M. Skurzok, A. Sowa-Staszczak, B. A. Spencer, P. Tanty, K. Tayefi Ardebili, A. Kunimmal Venadan, E. Stępień, P. Moskal
   download

   abstract

   Bio-Algorithms and Med-Systems vol. 20 (2024) 101
   Objective: Positron Emission Tomography (PET) is a widely used medical imaging technique that allows for non-invasive imaging of metabolic processes. However, traditional PET scanners rely on costly inorganic scintillators, which limit their accessibility ? especially in light of emerging long axial field-of-view devices. The modular J-PET scanner, an innovative alternative, uses 50-cm long plastic scintillator strips, offering a cost-effective and modular solution. In this study, we develop and assess the PET data correction techniques required for quantitative image reconstruction. Methods: We present methods for attenuation correction, random coincidence correction using the Delayed Time Window (DTW) technique, and scatter correction based on Monte Carlo simulations. Phantom studies using the NEMA IQ phantom were performed to qualitatively evaluate these corrections. Results: The results demonstrate that our implemented corrections for attenuation, randoms, and scattered coincidences successfully improve the uniformity of tracer distribution in homogenous volumes and significantly reduce undesired activity in cold regions. Despite limitations in sensitivity and axial resolution, the applied correction techniques effectively enhance image quality, providing promising results for future applications. Conclusions: These findings highlight the potential of the modular J-PET system to offer affordable PET imaging and to pave the way towards a total-body PET scanner based on plastic scintillators. Future work will focus on quantitative validation and the implementation of these corrections for human subject imaging.

1. Performance evaluation of the modular J-PET detector in conventional PET imaging
   M. Das , R. Bayerlein , S. Parzych, S. Sharma, R. D. Badawi , E. Y. Beyene, E. Czerwiński, , A. Hubalewska-Dydejczyk , T. Kaplanoglu, G. Korcyl, W. Mryka, S. Niedźwiecki, M. Opalińska, M. Rädler, M. Skurzok, B. A Spencer, P. Tanty, K. Tayefi Ardebili, P. Moskal, E.Ł. Stepien
   published in: 2024 IEEE Nuclear Science Symposium (NSS), Medical Imaging Conference (MIC) and Room Temperature Semiconductor Detector Conference (RTSD)

1. Performance evaluation of the modular J-PET detector in conventional PET imaging
   M. Das , R. Bayerlein , S. Parzych, S. Sharma, R. D. Badawi , E. Y. Beyene, E. Czerwiński, , A. Hubalewska-Dydejczyk , T. Kaplanoglu, G. Korcyl, W. Mryka, S. Niedźwiecki, M. Opalińska, M. Rädler, M. Skurzok, B. A Spencer, P. Tanty, K. Tayefi Ardebili, P. Moskal, E.Ł. Stepien
   2024 IEEE Nuclear Science Symposium (NSS), Medical Imaging Conference (MIC) and Room Temperature Semiconductor Detector Conference (RTSD), Tampa, Florida, USA (26 October - 2 November 2024)
2. Evaluation of normalization and random coincidences corrections of clinical images obtained with the first PET from plastic scintillators
   S. Parzych, A. Coussat, M. Das, W. Krzemień,1,2, E. Y. Beyene, E. Czerwiński, B. Głowa, A. Hubalewska-Dydejczyk, T. Kaplanoglu, G. Korcyl, W. Mryka, S. Niedźwiecki, M. Opalińska, M. Rädler, S. Sharma, M. Skurzok, A. Sowa-Staszczak, P. Tanty, K. Tayefi Ardebili, P. Moskal, E. Ł. Stępień
   EANM24 - Annual Congress of the European Association of Nuclear Medicine