Results 191 to 200 of about 1,429,141 (363)

Development of a Prediction Model for Progression Risk in High‐Grade Gliomas Based on Habitat Radiomics and Pathomics

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective To investigate the value of constructing models based on habitat radiomics and pathomics for predicting the risk of progression in high‐grade gliomas. Methods This study conducted a retrospective analysis of preoperative magnetic resonance (MR) images and pathological sections from 72 patients diagnosed with high‐grade gliomas (52 ...
Yuchen Zhu   +14 more
wiley   +1 more source

Unraveling the Molecular Mechanisms of Glioma Recurrence: A Study Integrating Single‐Cell and Spatial Transcriptomics

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective Glioma recurrence severely impacts patient prognosis, with current treatments showing limited efficacy. Traditional methods struggle to analyze recurrence mechanisms due to challenges in assessing tumor heterogeneity, spatial dynamics, and gene networks.
Lei Qiu   +10 more
wiley   +1 more source

Meningovascular Inflammation in Cerebral Amyloid Angiopathy‐Related Cortical Superficial Siderosis

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT The role of inflammation in cortical superficial siderosis (cSS), a marker of cerebral amyloid angiopathy (CAA) linked to high hemorrhage risk, is unclear. We examined 15 patients with cSS using 3 T post‐contrast vessel wall MRI (VWI) and CSF analysis.
Philipp Arndt   +8 more
wiley   +1 more source

Relación entre la amplitud ecológica de epífitas vasculares y sus respuestas ecofisiológicas a la disponibilidad de luz y humedad en el bosque esclerófilo mediterráneo costero de Chile

open access: yesGayana: Botanica, 2016
El microhábitat epífito se encuentra expuesto a grandes variaciones microclimáticas debido al clima local así como a la estructura y dinámica del bosque.
Rocío Fernández   +5 more
doaj  

Mitral Valve Perforated Aneurysm: An Issue of Inflammation or Pressure Gradients? [PDF]

open access: yesArq Bras Cardiol, 2022
Oliveira I   +6 more
europepmc   +1 more source

Memahami Gradient dan Gradient Descent

open access: yes
Penelitian ini menyajikan analisis komprehensif mengenai konsep-konsep dasar kalkulus diferensial dan aplikasinya dalam pembelajaran mesin. Kami menguraikan secara sistematis aturan-aturan turunan, mulai dari turunan dasar hingga turunan parsial, sebagai fondasi untuk memahami Gradien (Gradient).
openaire   +1 more source

Brainstem and Cerebellar Volume Loss and Associated Clinical Features in Progressive Supranuclear Palsy

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Introduction Progressive Supranuclear Palsy (PSP) is a neurodegenerative ‘tauopathy’ with predominating pathology in the basal ganglia and midbrain. Caudal tau spread frequently implicates the cerebellum; however, the pattern of atrophy remains equivocal.
Chloe Spiegel   +8 more
wiley   +1 more source

Diffusion Spectrum Imaging Maps Early Axonal Loss and a Unique Progressive Signal in Neuronal Intranuclear Inclusion Disease

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective To delineate specific in vivo white matter pathology in neuronal intranuclear inclusion disease (NIID) using diffusion spectrum imaging (DSI) and define its clinical relevance. Methods DSI was performed on 42 NIID patients and 38 matched controls.
Kaiyan Jiang   +10 more
wiley   +1 more source

MODELACIÓN DE UN CONVERTIDOR DE SO2

open access: yesInvestigación & Desarrollo, 2009
Se han desarrollado dos modelos (bidimensional y unidimensional) para la simulación del convertidor de SO2 de una planta de sulfonación. Ambos modelos pueden manejarse empleando tanto ecuaciones cinéticas pseudohomogéneas globales, como ecuaciones ...
Luis Arteaga Weill   +1 more
doaj  

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