Results 171 to 180 of about 16,119 (209)

A novel real-world data methodology for lymphoma outcome classification: the real-world Lugano study. [PDF]

open access: yesJ Comp Eff Res
Swain RS   +19 more
europepmc   +1 more source
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Diagnostic value of heart-to-mediastinum ratio in 99mTc-pyrophospate SPECT/CT for transthyretin cardiac amyloidosis

Journal of Nuclear Cardiology, 2023
In transthyretin cardiac amyloidosis (ATTR-CA), 99mTc-pyrophosphate myocardial scintigraphy (99mTc-PYP) is a diagnostic tool that utilizes visual and quantitative evaluation. However, false positive cases can occur because of tracer accumulation in the blood. We investigated the effectiveness of the heart-to-mediastinum (H/M) ratio of 99mTc-PYP in ATTR-
Takenori, Ikoma   +11 more
openaire   +2 more sources

Diagnostic Value of the Early Heart-to-Mediastinum Count Ratio in Cardiac 123I-mIBG Imaging for Parkinson's Disease

Current Radiopharmaceuticals, 2021
Background: Early diagnosis of Parkinson's disease (PD) is of primary importance. The delayed (3-4 h after injection) Iodine-123-Metaiodobenzylguanidine (123I-mIBG) scintigraphy has been proven to be effective in early differential diagnosis for Lewy body disease.
Frantellizzi, Viviana   +9 more
openaire   +5 more sources

Standardization of metaiodobenzylguanidine heart to mediastinum ratio using a calibration phantom: effects of correction on normal databases and a multicentre study

open access: yesEuropean Journal of Nuclear Medicine and Molecular Imaging, 2011
This study was performed to demonstrate that the results obtained with a calibration phantom could be used as a tool for standardizing measurement of heart to mediastinum (H/M) ratio in cardiac metaiodobenzylguanidine (MIBG) imaging.Images of the phantom containing (123)I-MIBG were acquired on the cameras in 10 hospitals (11 camera types) to determine ...
Kenichi Nakajima   +2 more
exaly   +3 more sources

Influence of ROI definition on the heart-to-mediastinum ratio in planar 123I-MIBG imaging

Journal of Nuclear Cardiology, 2018
Iodine-123-metaiodobenzylguanidine (123I-MIBG) imaging with estimation of the heart-to-mediastinum ratio (HMR) has been established for risk assessment in patients with chronic heart failure. Our aim was to evaluate the effect of different methods of ROI definition on the renderability of HMR to normal or decreased sympathetic innervation.The results ...
Christiane, Klene   +7 more
openaire   +2 more sources

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