Results 11 to 20 of about 6,803,513 (249)

Application of Perfusion Single Photon Emission Computed Tomography of the Myocardium in Pain-Free Myocardial Ischemia [PDF]

open access: yesАрхивъ внутренней медицины, 2020
This literature review provides data on the use of single-photon emission computed tomography of myocardium in silent myocardial ischemia. The presence of silent myocardial ischemia increases the risk of cardiovascular complications several times and may
A. I. Abdrahmanova   +2 more
doaj   +2 more sources

Single photon emission computed tomography: An alternative imaging modality in left ventricular evaluation

open access: yesVascular Health and Risk Management, 2008
Hulya Yalçin1,3, Sofiane Maza1, Fatih Yalçin2,41Department of Nuclear Medicine; 2Center for Cardiovascular Research, Charite University, Berlin, Germany; 3Department of Nuclear Medicine; 4Department of Cardiology, Mustafa Kemal University ...
Hulya Yalçin   +2 more
doaj   +2 more sources

Precision low-dose brachytherapy of prostate cancer under PSMA-receptor molecular visualization [PDF]

open access: yesDigital Diagnostics, 2023
Brachytherapy with implantation of micro sources based on isotope 125I is a preferred treatment for localized prostate cancer without signs of germination of the gland capsule and in the absence of signs of metastases (stage cT1-T23aN0M0).
Pavel V. Sviridov   +7 more
doaj   +1 more source

Validation of OSEM algorithm for attenuation correction in cardiac SPECT studies [PDF]

open access: yes, 2005
Photon attenuation is believed to be one of the major causes of artefacts in cardiac SPECT studies and therefore should be corrected to improve the specificity of cardiac SPECT imaging for the detection of coronary artery disease.
Alenezi, Ahmed M
core   +6 more sources

High quality low-dose SPECT reconstruction using CGAN-based transformer network with geometric tight framelet

open access: yesFrontiers in Physics, 2023
Single-photon emission computed tomography (SPECT) is a widely used diagnostic tool, but radioactive radiation during imaging poses potential health risks to subjects. Accurate low-dose single-photon emission computed tomography reconstruction is crucial
Zengguo Liang   +4 more
doaj   +1 more source

Evaluation of Annual Occupational Doses of Technologists in Diagnostic Nuclear Medicine

open access: yesCerrahpaşa Medical Journal, 2022
Objective: This study aimed to determine the radiation dose contribution of radiopharmaceuticals labeled with 99mTc, 18F, and 68Ga to the technologists’ annual occupational doses over 6 years.
Nazenin İpek Işıkcı   +2 more
doaj   +1 more source

Positron emission computed tomography/single photon emission computed tomography in Parkinson disease

open access: yesChinese Medical Journal, 2020
. Parkinson disease (PD) is the second-most common neurodegenerative disorder. Its main pathological mechanism is the selective degeneration and deletion of dopaminergic neurons in the dense part of the substantia nigra and the damage of dopaminergic ...
Nian-Ting Yao   +9 more
doaj   +1 more source

Splenosis Mimicking Peritoneal Seeding of Advanced Colon Cancer Can Be Identified by Spleen SPECT/CT and FDG PET/CT

open access: yesDiagnostics, 2021
This case report demonstrates that Tc-99m labeled heat-damaged red blood cell single-photon emission computed tomography/computed tomography (spleen SPECT/CT) and F-18 fluorodeoxyglucose positron emission tomography/CT (FDG PET/CT) could noninvasively ...
Ji Young Lee, Hee-Sung Song, Jimin Han
doaj   +1 more source

Role of 11C-Methionine PET/CT in 99mTc-Sestamibi-Negative Parathyroid Adenoma: A Case Report

open access: yesDiagnostics, 2021
We report a case of 16-year-old female primary hyperparathyroidism patient who underwent cervical ultrasonography and 99mTc-sestamibi single photon emission computed tomography/computed tomography, both of which were negative for parathyroid adenoma ...
Jang Yoo, Miju Cheon
doaj   +1 more source

Radiotracers for the Central Serotoninergic System

open access: yesPharmaceuticals, 2022
This review lists the most important radiotracers described so far for imaging the central serotoninergic system. Single-photon emission computed tomography and positron emission tomography radiotracers are reviewed and critically discussed for each ...
Reynald Mangeant   +3 more
doaj   +1 more source

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