Results 61 to 70 of about 18,577 (196)

Distinct electrophysiology and dopaminergic modulation of medium spiny neurons across divisions of the tail striatum and the dorsolateral striatum

open access: yesExperimental Physiology, EarlyView.
Abstract The striatum is a brain region within the basal ganglia that plays a crucial role in generating behaviour and mediating perception. The tail striatum (TS) is a poorly understood striatal domain with predominantly sensory functions. Recent evidence supports that abnormal TS dopamine transmission in dopaminergic disease contributes to sensory ...
Bronwyn Riley   +4 more
wiley   +1 more source

Beam geometry optimization and convergence mode evaluation for knowledge‐based planning of hippocampal avoidance whole‐brain radiotherapy: A cross‐platform study with quantitative scorecard assessment

open access: yesJournal of Applied Clinical Medical Physics, Volume 27, Issue 9, September 2026.
Abstract Background Hippocampal avoidance whole‐brain radiotherapy (HA‐WBRT) is used to treat brain metastases while preserving cognitive function by sparing the hippocampi. Volumetric modulated arc therapy (VMAT) is commonly used due to its ability to generate conformal dose distributions.
Anh Lam   +11 more
wiley   +1 more source

Regression of giant olfactory groove meningioma and complete visual acuity recovery after discontinuation of cyproterone acetate

open access: yesJournal of Ophthalmic & Vision Research, 2018
Purpose: To report on the medical management of meningioma with compression of the optic chiasm associated with the use of cyproterone acetate (CA). Case Report: A 65-year-old woman who was being treated with CA presented with a recent decrease in visual
Anne Laure Bernat   +6 more
doaj   +1 more source

Develop a novel non‐coplanar trajectory optimization algorithm for an efficient 4pi spot‐scanning proton Arc (SPArc‐4pi) treatment delivery

open access: yesMedical Physics, Volume 53, Issue 9, September 2026.
Abstract Background The degree of freedom has been recognized as a key factor in particle beam therapy, such as improving the dose conformity and linear energy transfer distributions. Therefore, proton arc therapy has drawn significant interest in the Society of Radiation Oncology as a potentially efficient and optimal treatment option for cancer ...
Xiaoda Cong   +8 more
wiley   +1 more source

Multi‐fidelity Monte Carlo fusion for BNCT dose calculation using a dual‐branch network

open access: yesMedical Physics, Volume 53, Issue 9, September 2026.
Abstract Background Boron neutron capture therapy (BNCT) is a binary radiotherapy that selectively kills tumor cells. Its clinical implementation relies on Monte Carlo (MC)‐based treatment planning systems, which are time‐consuming and limit clinical workflow efficiency.
Leiming Li   +7 more
wiley   +1 more source

The Effect of Levothyroxine on Lysolecithin-Induced Local Demyelination in Optic Chiasm of Male Rats

open access: yesمجله دانشکده پزشکی اصفهان, 2017
Background: One of the significant problems in multiple sclerosis (MS) is damage to the visual system, which is the result of demyelination. Studies have suggested a link between central nervous system demyelinating diseases and thyroid disorders, and ...
Bahman Rashidi   +5 more
doaj  

An efficacy of protection the organs at risks comparison between the intensitymodulated radiotherapy therapy (IMRT) and the three-dimensional conformal radiotherapy (3DCRT)

open access: yesJournal of the Pakistan Medical Association
Objective: To compare the efficiency of three-dimensional conformal radiotherapy and intensity-modulated radiation therapy techniques. Method: The cross-sectional study was conducted from February to August 2021 at Al-Amal National Hospital, Baghdad,
Abd Al-Taj Abd Ali Khaleel   +4 more
doaj   +1 more source

A 51‐year‐old female presenting with headache and vision loss

open access: yes
Headache: The Journal of Head and Face Pain, EarlyView.
Laurel Ovrom   +3 more
wiley   +1 more source

The Definitive‐Intent 10‐Fraction Radiotherapy Protocol (‘The Zurich Protocol’) Yields Lasting Tumour Control and Survival in Dogs With Intracranial Meningiomas

open access: yesVeterinary and Comparative Oncology, Volume 24, Issue 3, Page 601-610, September 2026.
ABSTRACT Moderately hypofractionated definitive‐intent radiotherapy protocols can be used for canine intracranial meningiomas to shorten overall treatment time while maintaining tumour control and limiting normal tissue toxicity. This retrospective study evaluated oncologic outcomes, toxicity, and radiation dose‐volume‐related prognostic factors in ...
Carlotta Ahrens   +2 more
wiley   +1 more source

Sonographic visualization and measurement of the fetal optic chiasm and optic tract and association with the cavum septum pellucidum

open access: yesJournal of Perinatal Medicine
To assess the sonographic visualization of the fetal optic chiasm (OC) and optic tracts (OTs), establish mid-trimester reference values, and assess the relationship between OC and OT dimensions and cavum septum pellucidum (CSP) measurements.
Can Sevim Tuncer   +8 more
doaj   +1 more source

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