Results 41 to 50 of about 69,851 (256)

Quasi-diffusion magnetic resonance imaging (QDI): A fast, high b-value diffusion imaging technique. [PDF]

open access: yes, 2020
To enable application of non-Gaussian diffusion magnetic resonance imaging (dMRI) techniques in large-scale clinical trials and facilitate translation to clinical practice there is a requirement for fast, high contrast, techniques that are sensitive to ...
Barrick, TR   +9 more
core   +1 more source

Metastatic meningioma: Case report of a WHO grade I meningioma with liver metastases and review of the literature

open access: yesRadiology Case Reports, 2020
Meningioma represents the most frequently diagnosed primary brain tumor, accounting for over one-third of central nervous system neoplasms. The majority of tumors are categorized as benign.
Bryce D. Beutler, MD   +6 more
doaj   +1 more source

Imaging diagnosis: magnetic resonance imaging of diffuse leptomeningeal oligodendrogliomatosis in a dog with "dural tail sign" [PDF]

open access: yes, 2018
A case of diffuse leptomeningeal oligodendrogliomatosis affecting the brain and spinal cord of a dog is presented. A 7.5-year old, male neutered Staffordshire bull terrier presented for evaluation of a chronic history of tetraparesis and seizures, with a
Anwer   +31 more
core   +1 more source

Cystic meningioma [PDF]

open access: yesBMJ Case Reports, 2015
Cystic meningioma is an uncommon form of meningioma and the radiological appearance and location of the cystic/solid components of the mass may create a diagnostic dilemma. We report on the case of an 80-year-old left-handed man who presented with recurrent focal motor seizures and secondary generalisation.
Osama S M Amin   +2 more
openaire   +2 more sources

CD47 promotes mitogen‐activated protein kinase and epithelial‐to‐mesenchymal transition molecular programs to drive prometastatic phenotypes in non‐small cell lung cancer

open access: yesMolecular Oncology, EarlyView.
Beyond its role in immune evasion, this study identified that CD47 drives tumor‐intrinsic signaling in non‐small cell lung cancer (NSCLC). Transcriptomic profiling and functional studies revealed that CD47 regulates cell adhesion, migration, and metastasis through an ERK–EMT signaling axis.
Asa P.Y. Lau   +8 more
wiley   +1 more source

Primary cerebellopontine angle melanocytoma: review. [PDF]

open access: yes, 2012
Introduction Primary cerebellopontine angle melanocytomas (PCPAMs) are very rare. Their natural history and prognosis are not fully understood. We reviewed the literature and add a new case to analyze PCPAM's presentation, radiological features, and ...
Elashaal, R   +3 more
core   +1 more source

Asterion Meningiomas [PDF]

open access: yesSkull Base, 1998
Asterion meningiomas arise from the posterior petrous ridge at the junction of the transverse and sigmoid sinuses (sinodural angle). The authors retrospectively reviewed the charts of seven patients with asterion meningiomas who underwent a Simpson I tumor resection by either the petrosal or suboccipital approach.
F D, Vrionis   +3 more
openaire   +2 more sources

Shared Genetic Effects and Antagonistic Pleiotropy Between Multiple Sclerosis and Common Cancers

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective Epidemiologic studies have reported inconsistent altered cancer risk in individuals with multiple sclerosis (MS). Factors such as immune dysregulation, comorbidities, and disease‐modifying therapies may contribute to this variability.
Asli Buyukkurt   +5 more
wiley   +1 more source

Balancing small against large burdens [PDF]

open access: yes, 2018
Common principles for resource allocation in health care can prioritize the alleviation of small health burdens over lifesaving treatment. I argue that there is some evidence that these principles are at odds with a sizable share of public opinion, which
Voorhoeve, Alex
core   +3 more sources

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

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