Mika Teras
Overview
Explore the profile of Mika Teras including associated specialties, affiliations and a list of published articles.
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Articles
58
Citations
712
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Recent Articles
1.
Siekkinen R, Partanen H, Kukola L, Tolvanen T, Fenwick A, Smith N, et al.
EJNMMI Phys
. 2024 Jul;
11(1):54.
PMID: 38951352
Background: Several factors may decrease the accuracy of quantitative PET myocardial perfusion imaging (MPI). It is therefore essential to ensure that myocardial blood flow (MBF) values are reproducible and accurate,...
2.
Siekkinen R, Han C, Maaniitty T, Teras M, Knuuti J, Saraste A, et al.
J Nucl Cardiol
. 2023 Mar;
30(3):1253.
PMID: 36930457
No abstract available.
3.
Siekkinen R, Han C, Maaniitty T, Teras M, Knuuti J, Saraste A, et al.
J Nucl Cardiol
. 2023 Jan;
30(4):1602-1612.
PMID: 36656496
Background: New Block-Sequential-Regularized-Expectation-Maximization (BSREM) image reconstruction technique has been introduced for clinical use mainly for oncologic use. Accurate and quantitative image reconstruction is essential in myocardial perfusion imaging with positron...
4.
Linden J, Teuho J, Teras M, Klen R
BMC Med Imaging
. 2022 Mar;
22(1):48.
PMID: 35300592
Background: Attenuation correction is crucial in quantitative positron emission tomography-magnetic resonance (PET-MRI) imaging. We evaluated three methods to improve the segmentation and modelling of the attenuation coefficients in the nasal...
5.
Schultz J, Siekkinen R, Jafari Tadi M, Teras M, Klen R, Lehtonen E, et al.
J Nucl Cardiol
. 2021 Sep;
29(5):2423-2433.
PMID: 34476780
Background: Dual-gating reduces respiratory and cardiac motion effects but increases noise. With motion correction, motion is minimized and image quality preserved. We applied motion correction to create end-diastolic respiratory motion...
6.
Siekkinen R, Kirjavainen A, Koskensalo K, Smith N, Fenwick A, Saunavaara V, et al.
J Nucl Cardiol
. 2021 May;
29(4):1964-1972.
PMID: 33948894
Methods: The study was performed on the digital 4-ring Discovery MI (DMI-20) and analog Discovery 690 (D690) PET/CT systems, using 325-1257 MBq of [O]HO. PET performance and flow quantification accuracy...
7.
Teuho J, Riehakainen L, Honkaniemi A, Moisio O, Han C, Tirri M, et al.
EJNMMI Res
. 2020 Dec;
10(1):155.
PMID: 33301074
Background: We investigated the image quality of C, Ga, F and Zr, which have different positron fractions, physical half-lifes and positron ranges. Three small animal positron emission tomography/computed tomography (PET/CT)...
8.
Ranta I, Teuho J, Linden J, Klen R, Teras M, Kapanen M, et al.
Diagnostics (Basel)
. 2020 May;
10(5).
PMID: 32422950
Magnetic resonance imaging-only radiotherapy treatment planning (MRI-only RTP) and positron emission tomography (PET)-MRI imaging require generation of synthetic computed tomography (sCT) images from MRI images. In this study, initial dosimetric...
9.
Jarvinen J, Sierpowska J, Siiskonen T, Husso M, Jarvinen H, Kiviniemi T, et al.
Radiat Prot Dosimetry
. 2019 Dec;
188(2):181-190.
PMID: 31838516
In contemporary interventional cardiology, for typical elderly patients, the most severe radiation-related harm to patients can be considered to come from skin exposures. In this paper, maximum local skin doses...
10.
Jafari Tadi M, Lehtonen E, Teuho J, Koskinen J, Schultz J, Siekkinen R, et al.
Sensors (Basel)
. 2019 Sep;
19(19).
PMID: 31554282
Dual cardiac and respiratory gating is a well-known technique for motion compensation in nuclear medicine imaging. In this study, we present a new data fusion framework for dual cardiac and...