J Nucl Cardiol
Department of Nuclear Medicine, Hospital Universitario de Getafe, Madrid, Spain.
Published: October 2022
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http://dx.doi.org/10.1007/s12350-020-02454-0 | DOI Listing |
Ultraschall Med
March 2025
Department of Neonatology, University Medical Centre Mannheim, Mannheim, Germany.
To investigate the correlation between different prenatal imaging techniques in congenital diaphragmatic hernia (CDH) and their prognostic value.209 fetuses with CDH were enrolled in this retrospective cohort study. The prenatal ultrasound-based and MRI-based (MRI: magnetic resonance imaging) observed-to-expected lung-to-head ratio (o/e-LHR) and MRI-based relative fetal lung volume (rFLV) were evaluated and compared.
View Article and Find Full Text PDFEur J Obstet Gynecol Reprod Biol
March 2025
Department of Genetics and Cell Biology, Faculty of Health, Medicine and Life Sciences, Maastricht University, Maastricht, the Netherlands; Interdisciplinary Centre for Clinical Research IZKF, University Hospital RWTH Aachen 52074 Aachen, Germany. Electronic address:
Globally, at least 10 % of maternal deaths, caused by obstetric complications during pregnancy, are linked to preeclampsia or eclampsia. Preeclampsia-induced placental hypoxia leads to vascular injury and syncytial knot formation in terminal villi. Early delivery of preeclampsia placentas complicates comparisons with normotensive term placentas, while the placenta's non-planar structure limits the effectiveness of 2D histology for vascular analysis.
View Article and Find Full Text PDFAppl Radiat Isot
March 2025
Division of Nuclear Medicine and Molecular Imaging, Department of Medical Imaging, Geneva University Hospital, CH-1211, Geneva, 4, Switzerland.
It is generally accepted that children's organs are more sensitive to radiation than adults, due to their growth rate. Therefore, evaluating the absorbed dose in children to avoid irrecoverable damage is highly crucial. In this work, absorbed dose by different organs of children within the SPECT imaging for the Tc-MAG3, Tc-DTPA, and Tc-DMSA that are commonly employed for pediatric patients, were estimated through the use of Monte Carlo simulation and the University of Florida's (UF) voxel-wise phantoms at the ages of 4, 8, 11, and 14-years old.
View Article and Find Full Text PDFMed Image Anal
March 2025
Department of Radiology and Nuclear Medicine, Erasmus University Medical Center, Rotterdam, The Netherlands.
This study addresses the challenges of confounding effects and interpretability in artificial-intelligence-based medical image analysis. Whereas existing literature often resolves confounding by removing confounder-related information from latent representations, this strategy risks affecting image reconstruction quality in generative models, thus limiting their applicability in feature visualization. To tackle this, we propose a different strategy that retains confounder-related information in latent representations while finding an alternative confounder-free representation of the image data.
View Article and Find Full Text PDFPhys Med Biol
March 2025
Grupo de Física Nuclear & IPARCOS, Universidad Complutense de Madrid, Facultad de CC. Físicas, Avda. Complutense s/n, Madrid, 28040, SPAIN.
Clinical implementation of in-beam PET monitoring in proton therapy requires the integration of an online fast and reliable dose calculation engine. This manuscript reports on the achievement of real-time reconstruction of 3D dose and activity maps with proton range verification from experimental in-beam PET measurements. Approach: Several cylindrical homogeneous PMMA phantoms were irradiated with a monoenergetic 70-MeV proton beam in a clinical facility.
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