Results 21 to 30 of about 1,517,022 (297)

Pilot performance of a dedicated prostate PET suitable for diagnosis and biopsy guidance

open access: yesEJNMMI Physics, 2020
Background Prostate cancer (PCa) represents one of the most common types of cancers facing the male population. Nowadays, to confirm PCa, systematic or multiparametric MRI-targeted transrectal or transperineal biopsies of the prostate are required ...
Gabriel Cañizares   +15 more
doaj   +1 more source

Increased MRI-based Brain Age in chronic migraine patients

open access: yesThe Journal of Headache and Pain, 2023
Introduction Neuroimaging has revealed that migraine is linked to alterations in both the structure and function of the brain. However, the relationship of these changes with aging has not been studied in detail. Here we employ the Brain Age framework to
Rafael Navarro-González   +5 more
doaj   +1 more source

Instruct-Imagen: Image Generation with Multi-modal Instruction [PDF]

open access: yesComputer Vision and Pattern Recognition
This paper presents Instruct-Imagen, a model that tackles heterogeneous image generation tasks and generalizes across unseen tasks. We introduce multi-modal in-struction for image generation, a task representation artic-ulating a range of generation ...
Hexiang Hu   +11 more
semanticscholar   +1 more source

The IMAGEN study: a decade of imaging genetics in adolescents

open access: yesMolecular Psychiatry, 2020
Imaging genetics offers the possibility of detecting associations between genotype and brain structure as well as function, with effect sizes potentially exceeding correlations between genotype and behavior.
Lea Mascarell Maričić   +122 more
semanticscholar   +1 more source

Simulation Study of a Frame-Based Motion Correction Algorithm for Positron Emission Imaging

open access: yesSensors, 2021
Positron emission tomography (PET) is a functional non-invasive imaging modality that uses radioactive substances (radiotracers) to measure changes in metabolic processes. Advances in scanner technology and data acquisition in the last decade have led to
Héctor Espinós-Morató   +5 more
doaj   +1 more source

Relación de hallazgos tomográficos y RT-PCR en pacientes con sospecha de COVID-19 valorados en HCN PEMEX de marzo a julio 2020

open access: yesAnales de Radiología, México, 2022
Objetivo: Determinar la correlación entre el resultado de la prueba de reacción en cadena de la polimerasa con transcriptasa reversa (RT-PCR) positiva con los hallazgos reportados por tomografía computarizada de alta resolución (TACAR) expresados en ...
Ilka Boscó-Gárate   +11 more
doaj   +1 more source

Elastography of the thyroid nodule, cut-off points between benign and malignant lesions for strain, 2D shear wave real time and point shear wave: a correlation with pathology, ACR TIRADS and Alpha Score

open access: yesFrontiers in Endocrinology, 2023
ObjectiveA prospective cross-sectional investigation of 170 thyroid nodules (TN) between January 2020 and December 2021 at Alpha Imagen was conducted to determine cut-off points (C/O) for elastography measurements and their diagnostic accuracy ...
Glenn Mena   +6 more
doaj   +1 more source

Exploratory study of the long-term footprint of deep brain stimulation on brain metabolism and neuroplasticity in an animal model of obesity

open access: yesScientific Reports, 2021
Deep brain stimulation (DBS) is a powerful neurostimulation therapy proposed for the treatment of several neuropsychiatric disorders. However, DBS mechanism of action remains unclear, being its effects on brain dynamics of particular interest ...
Marta Casquero-Veiga   +6 more
doaj   +1 more source

Diagnóstico y cuantificación de fibrosis, esteatosis y hepatosiderosis por medio de resonancia magnética multiparamétrica

open access: yesRevista de Gastroenterología de México, 2017
Antecedentes: La presencia de fibrosis hepática es el denominador común de numerosas enfermedades crónicas del hígado que pueden evolucionar a fibrosis y a hepatocarcinoma. Las más importantes por su frecuencia son las hepatitis virales y el hígado graso
M. Stoopen-Rometti   +9 more
doaj   +1 more source

A novel semi-fragile forensic watermarking scheme for remote sensing images [PDF]

open access: yes, 2011
Peer-reviewedA semi-fragile watermarking scheme for multiple band images is presented. We propose to embed a mark into remote sensing images applying a tree structured vector quantization approach to the pixel signatures, instead of processing each band ...
Aiazzi B.   +24 more
core   +1 more source

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