Results 51 to 60 of about 13,685 (188)

Anaplastic Pilocytic Astrocytoma in adults: A comprehensive literature review based on 2 clinical cases

open access: yesInterdisciplinary Neurosurgery, 2021
Anaplastic Pilocytic Astrocytoma (APA) is a subtype of Pilocytic Astrocytoma (PA) that appears when the tumor shows signs of anaplasia and follow an aggressive clinical course. It is a very rarely tumor, especially in older than 18 years.
Pedro Miguel González – Vargas, M.D.   +5 more
doaj   +1 more source

Radical Resection of Cerebellar Juvenile Pilocytic Astrocytoma - A 22-Year Survival: A Case Report [PDF]

open access: yesJournal of Biomedical & Clinical Research, 2020
Juvenile pilocytic astrocytoma (JPA) is a low-grade glioma, a most common astrocytoma in young patients. It is a tumor with relatively well-defined margins. Pilocytic astrocytomas (PA) comprise approximately 5-6% of all gliomas.
Iliya Valkov   +4 more
doaj   +3 more sources

Early Initiation of Adjuvant Therapy Following Pediatric Endoscopic Endonasal Surgery for Tumors

open access: yesWorld Journal of Otorhinolaryngology - Head and Neck Surgery, EarlyView.
ABSTRACT Objective To evaluate complication rates of early adjuvant therapy initiation in pediatric patients with endoscopic endonasal resection for skull base tumors. Design Retrospective case series of pediatric patients (0–18 years old) with skull base tumors who underwent endoscopic endonasal resection between 2013 and 2023.
Heta Patel   +7 more
wiley   +1 more source

The cell of origin dictates the temporal course of neurofibromatosis-1 (Nf1) low-grade glioma formation. [PDF]

open access: yes, 2017
Low-grade gliomas are one of the most common brain tumors in children, where they frequently form within the optic pathway (optic pathway gliomas; OPGs).
Castillon, Guillaume A   +9 more
core   +3 more sources

Immunohistochemistry as a tool for identifying EGFR amplification in CNS tumors

open access: yesBrain Pathology, EarlyView.
EGFR gene amplification constitutes a diagnostic hallmark for glioblastoma, IDH‐wildtype (GB, IDH‐WT). Herein, we demonstrated that EGFR IHC is a highly specific and sensitive biomarker for identifying EGFR amplification and should be part of the neuropathologist's routine panel of antibodies.
Arnault Tauziède‐Espariat   +12 more
wiley   +1 more source

Pineal region pilocytic astrocytoma showing uncommon growth: a case report

open access: yesRadiology Case Reports, 2021
Pineal region pilocytic astrocytomas are extremely rare, and there is limited information about their radiological features. We report the case of a 22-year-old woman with a cystic lesion in the pineal region.
Tomomichi Kayahara, MD, PhD   +3 more
doaj   +1 more source

Expression of methylthioadenosine phosphorylase (MTAP) in pilocytic astrocytomas [PDF]

open access: yes, 2015
BACKGROUND/OBJECTIVES Pilocytic astrocytomas (PAs) are the most frequent astrocytomas in children and adolescents. Methilthioadenosine phosphorylase(MTAP) is a tumor-suppressor gene, the loss of expression of which is associated with a poor prognosis and
Becker, Aline Paixão   +7 more
core   +1 more source

Prospective inter‐individual analysis of quality‐adjusted life years (QALYs) in brain tumor patients: A comprehensive assessment of health preferences

open access: yesInternational Journal of Cancer, Volume 158, Issue 5, Page 1250-1261, 1 March 2026.
What's New? Eloquent intracranial tumors present unique challenges in neurosurgical treatment due to their proximity to critical functional areas of the brain. This prospective, single‐center cohort study quantified real‐time changes in patients' subjective burden of health impairments using the Time Trade‐Off and Standard Gamble methods, providing ...
Lisa S. Hönikl   +4 more
wiley   +1 more source

Presentation and Outcomes of CNS Tumors Associated With Phakomatoses Syndromes From a Specialized Neuro‐Oncology Practice in India

open access: yesCancer Medicine, Volume 15, Issue 2, February 2026.
Encouraging survival is achieved in phakomatosis syndromes with conventional multimodality treatment (Surgery, RT, chemotherapy). There is an urgent need for easily administered systemic therapies which improve both quality and quantity of life. ABSTRACT Purpose Phakomatoses‐associated primary central nervous system (CNS) tumors are therapeutically ...
Anuradha Krishnan   +10 more
wiley   +1 more source

Pilocytic Astrocytoma of the Cerebellopontine Angle with cerebrospinal fluid Spread in an Adult: A Case Report

open access: yesBrazilian Neurosurgery, 2022
Introduction Pilocytic astrocytoma of the cerebellopontine angle (CPA) is uncommon, and its spread to the cerebrospinal fluid (CSF) at the time of diagnosis has not been reported in the literature.
Erhan Bıyıklı   +4 more
doaj   +1 more source

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