Simultaneous in vivo imaging with PET and SPECT tracers using a Compton-PET hybrid camera

Abstract Positron-emission tomography (PET) and single-photon-emission computed tomography (SPECT) are well-established nuclear-medicine imaging methods used in modern medical diagnoses. Combining PET with 18F-fluorodeoxyglucose (FDG) and SPECT with an 111In-labelled ligand provides clinicians with...

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Autores principales:	Mizuki Uenomachi, Miwako Takahashi, Kenji Shimazoe, Hiroyuki Takahashi, Kei Kamada, Tadashi Orita, Kenichiro Ogane, Atsushi B. Tsuji
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/5c1dd89e6a52433cb78a04570ae4efa4
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spelling	oai:doaj.org-article:5c1dd89e6a52433cb78a04570ae4efa42021-12-02T17:41:13ZSimultaneous in vivo imaging with PET and SPECT tracers using a Compton-PET hybrid camera10.1038/s41598-021-97302-72045-2322https://doaj.org/article/5c1dd89e6a52433cb78a04570ae4efa42021-09-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-97302-7https://doaj.org/toc/2045-2322Abstract Positron-emission tomography (PET) and single-photon-emission computed tomography (SPECT) are well-established nuclear-medicine imaging methods used in modern medical diagnoses. Combining PET with 18F-fluorodeoxyglucose (FDG) and SPECT with an 111In-labelled ligand provides clinicians with information about the aggressiveness and specific types of tumors. However, it is difficult to integrate a SPECT system with a PET system because SPECT requires a collimator. Herein, we describe a novel method that provides simultaneous imaging with PET and SPECT nuclides by combining PET imaging and Compton imaging. The latter is an imaging method that utilizes Compton scattering to visualize gamma rays over a wide range of energies without requiring a collimator. Using Compton imaging with SPECT nuclides, instead of the conventional SPECT imaging method, enables PET imaging and Compton imaging to be performed with one system. In this research, we have demonstrated simultaneous in vivo imaging of a tumor-bearing mouse injected with 18F-FDG and an 111In-antibody by using a prototype Compton-PET hybrid camera. We have succeeded in visualizing accumulations of 18F-FDG and 111In-antibody by performing PET imaging and Compton imaging simultaneously. As simultaneous imaging utilizes the same coordinate axes, it is expected to improve the accuracy of diagnoses.Mizuki UenomachiMiwako TakahashiKenji ShimazoeHiroyuki TakahashiKei KamadaTadashi OritaKenichiro OganeAtsushi B. TsujiNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-11 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Mizuki Uenomachi Miwako Takahashi Kenji Shimazoe Hiroyuki Takahashi Kei Kamada Tadashi Orita Kenichiro Ogane Atsushi B. Tsuji Simultaneous in vivo imaging with PET and SPECT tracers using a Compton-PET hybrid camera
description	Abstract Positron-emission tomography (PET) and single-photon-emission computed tomography (SPECT) are well-established nuclear-medicine imaging methods used in modern medical diagnoses. Combining PET with 18F-fluorodeoxyglucose (FDG) and SPECT with an 111In-labelled ligand provides clinicians with information about the aggressiveness and specific types of tumors. However, it is difficult to integrate a SPECT system with a PET system because SPECT requires a collimator. Herein, we describe a novel method that provides simultaneous imaging with PET and SPECT nuclides by combining PET imaging and Compton imaging. The latter is an imaging method that utilizes Compton scattering to visualize gamma rays over a wide range of energies without requiring a collimator. Using Compton imaging with SPECT nuclides, instead of the conventional SPECT imaging method, enables PET imaging and Compton imaging to be performed with one system. In this research, we have demonstrated simultaneous in vivo imaging of a tumor-bearing mouse injected with 18F-FDG and an 111In-antibody by using a prototype Compton-PET hybrid camera. We have succeeded in visualizing accumulations of 18F-FDG and 111In-antibody by performing PET imaging and Compton imaging simultaneously. As simultaneous imaging utilizes the same coordinate axes, it is expected to improve the accuracy of diagnoses.
format	article
author	Mizuki Uenomachi Miwako Takahashi Kenji Shimazoe Hiroyuki Takahashi Kei Kamada Tadashi Orita Kenichiro Ogane Atsushi B. Tsuji
author_facet	Mizuki Uenomachi Miwako Takahashi Kenji Shimazoe Hiroyuki Takahashi Kei Kamada Tadashi Orita Kenichiro Ogane Atsushi B. Tsuji
author_sort	Mizuki Uenomachi
title	Simultaneous in vivo imaging with PET and SPECT tracers using a Compton-PET hybrid camera
title_short	Simultaneous in vivo imaging with PET and SPECT tracers using a Compton-PET hybrid camera
title_full	Simultaneous in vivo imaging with PET and SPECT tracers using a Compton-PET hybrid camera
title_fullStr	Simultaneous in vivo imaging with PET and SPECT tracers using a Compton-PET hybrid camera
title_full_unstemmed	Simultaneous in vivo imaging with PET and SPECT tracers using a Compton-PET hybrid camera
title_sort	simultaneous in vivo imaging with pet and spect tracers using a compton-pet hybrid camera
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/5c1dd89e6a52433cb78a04570ae4efa4
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Simultaneous in vivo imaging with PET and SPECT tracers using a Compton-PET hybrid camera

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