Results 31 to 40 of about 14,157 (210)

Magnetic resonance spectroscopy in pediatric brain tumors: how to make a more confident diagnosis

open access: yesThe Egyptian Journal of Radiology and Nuclear Medicine, 2020
Background Non-invasive diagnosis of pediatric brain tumors can be challenging due to diverse tumor pathologies and similar imaging appearances. Magnetic resonance spectroscopy (MRS), when combined with high spatial resolution anatomic imaging obtained ...
Noha M. Attia   +3 more
doaj   +1 more source

Composition‐Aware Cross‐Sectional Integration for Spatial Transcriptomics

open access: yesAdvanced Intelligent Discovery, EarlyView.
Multi‐section spatial transcriptomics demands coherent cell‐type deconvolution, domain detection, and batch correction, yet existing pipelines treat these tasks separately. FUSION unifies them within a composition‐aware latent framework, modeling reads as cell‐type–specific topics and clustering in embedding space.
Qishi Dong   +5 more
wiley   +1 more source

Malignant choroidal melanoma with suspected vitreous seeding - A case report

open access: yesTaiwan Journal of Ophthalmology, 2017
Retinal perforation with vitreous seeding is an uncommon condition of treatment-naïve choroidal malignant melanoma. We reported a 52-year-old male who had a pigmented tumor protruding from choroid of his right eye.
Wen-Hsin Cheng   +4 more
doaj   +1 more source

Idiopathic Intracranial Hypertension Is Characterized by a Distinct Proteomic Profile

open access: yesAnnals of Neurology, EarlyView.
Objectives The pathophysiology of idiopathic intracranial hypertension (IIH) is poorly understood and disease‐specific biomarkers are lacking. We aimed to shed light on IIH pathophysiology and identify disease‐specific biomarkers. Methods This prospective cross‐sectional cohort study included patients with new‐onset IIH and age‐, body mass index‐, and ...
Santosh D. Bhosale   +17 more
wiley   +1 more source

Pseudomelanomas at a referral ocular oncology center in Brazil

open access: yesRevista Brasileira de Oftalmologia
Objective: To evaluate the epidemiological, clinical, and imaging profile of lesions that mimic choroidal melanoma. Methods: Retrospective study of medical records of suspected choroidal melanoma lesions referred to the Ocular Oncology Service from the ...
Viviane Kely Costa Guedes   +3 more
doaj   +1 more source

Unique Presentation of Cerebellopontine Angle Choroid Plexus Papillomas: Case Report and Review of the Literature

open access: yesJournal of Neurological Surgery Reports, 2014
Objectives We present the case of a choroid plexus papilloma (CPP) in the cerebellopontine angle (CPA), describe the different appearances of CPPs with a variety of imaging techniques, and discuss the differential diagnosis of CPA tumors ...
Mark Anderson   +4 more
doaj   +1 more source

A Novel Slit Lamp‐Based System for 3D Ultrasound of the Eye

open access: yesJournal of Ultrasound in Medicine, EarlyView.
Objectives This study aims to develop and evaluate a novel slit‐lamp‐based system to acquire 3‐dimensional (3D) ultrasound volumes using conventional ultrasound probes. Methods A slit‐lamp adapter was 3D printed and connected with a linear actuator and graphical user interface (GUI) system to control movement and create volumes of 2‐dimensional scans ...
Claire E. Malley   +9 more
wiley   +1 more source

Posterior fossa choroid plexus papilloma with focal ependymal differentiation in an adult patient: A case report and literature review

open access: yesRadiology Case Reports, 2019
Choroid plexus papillomas (CPPs) are rare neoplasms classified as World Health Organization grade I tumors. CPPs containing other tissues have occasionally been documented in the literature.
Shu Matsushita, MD   +5 more
doaj   +1 more source

Extracerebral choroid plexus papilloma in the pharynx with airway obstruction in a newborn: a case report

open access: yesBMC Pediatrics, 2020
Background Choroid plexus papillomas (CPPs) are rare, usually benign, neoplasms originating in the central nervous system. In this study, we present the first case of a giant airway-obstructing CPP in the pharynx of a newborn.
Narae Lee   +7 more
doaj   +1 more source

Homogenous Cell Transplantation Trials in Parkinson's Disease: A Systematic Review and Meta‐Analysis

open access: yesMovement Disorders Clinical Practice, EarlyView.
Abstract Background The transplantation of homogenous cells has emerged as an investigational strategy for Parkinson's disease (PD), offering an alternative to symptomatic treatment. Objective We performed a systematic review and meta‐analysis to assess its clinical efficacy and safety.
Nolan Reinisch   +4 more
wiley   +1 more source

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