Results 71 to 80 of about 18,577 (196)

Effects of Indirect Pupillary Light Reflex Stimulation With Colored Light on Corneal Specular Microscopy Performance in Dogs

Veterinary Ophthalmology, Volume 29, Issue 5, September 2026.
ABSTRACT Objective To compare the effects of indirect pupillary light reflex (PLR) stimulation using differently colored lights on corneal specular microscopy performance in dogs and to determine the influence of pupil diameter. Animals Studied 20 client‐owned dogs (38 eyes) with healthy corneas.
Minju Kim, Hyunwoo Suk, Seonmi Kang, Kangmoon Seo   +3 more
wiley   +1 more source

Protocadherin 19 regulates axon guidance in the developing Xenopus retinotectal pathway

Molecular Brain
Protocadherin 19 (Pcdh19) is a homophilic cell adhesion molecule and is involved in a variety of neuronal functions. Here, we tested whether Pcdh19 has a regulatory role in axon guidance using the developing Xenopus retinotectal system.
Jane Jung, Jugeon Park, Sihyeon Park, Chul Hoon Kim, Hosung Jung   +4 more
doaj   +1 more source

Evaluation of dosimetric impact and plan robustness of MLC motion and setup errors in SRS for multiple brain metastases

Journal of Applied Clinical Medical Physics, Volume 27, Issue 8, August 2026.
Abstract Background HyperArc is an effective technique for treating multiple small brain metastases using high‐definition, precise radiation. However, the small size of individual lesions makes treatment vulnerable to inherent inaccuracies from beam‐limiting devices such as multi‐leaf collimators (MLCs), as well as patient setup errors.
Huijun Xu, Hong Zhang, Weiguang Yao, Jinghao Zhou, Yannick Poirier, Junliang Xu, Stewart Becker, Guozhen Luo, Mark Mishra, Shifeng Chen, Baoshe Zhang   +10 more
wiley   +1 more source

Optical Coherence Tomography Abnormalities as the Presenting Sign of an Involuted Sellar/Suprasellar Mass

Case Reports in Ophthalmology
Introduction: Pituitary adenomas are benign tumours that can lead to visual loss through compression of the optic chiasm. Patients with pituitary adenomas often present with visual field defects (commonly bitemporal hemianopia), but some may be ...
Arshia Vosoughi, Jonathan A. Micieli
doaj   +1 more source

Image‐based evaluation of a commercial AI synthetic CT generator for brain and prostate MR‐only radiotherapy

Journal of Applied Clinical Medical Physics, Volume 27, Issue 8, August 2026.
Abstract Background Synthetic CTs (sCT) were developed to provide electron density information for MR‐only treatment planning. Some AI‐based sCT generators have received FDA‐clearance and better capture tissue heterogeneity through voxel‐wise mappings to improve image guidance and dose calculation.
Morgan Aire, Carson Matthews, Joshua Jones, David Duong, Christopher Schneider, Sotirios Stathakis, Olivia Shay, Krystal Kirby   +7 more
wiley   +1 more source

Evaluation of Anterior Visual Pathway Lesions Using CT and MRI: A Prospective Descriptive Study [PDF]

Zagazig University Medical Journal
Background:Visual impairment may arise via many diseases. Imaging assessment using computed tomography (CT) and/or magnetic resonance imaging (MRI) can help localize and characterize these kinds of diseases.
YASSIR ALMALKI
doaj   +1 more source

Initial experience of clinical implementation of an Online Simulation‐free CBCT‐based Adaptive Radiotherapy (OSCAR) workflow for palliative and urgent treatment indications

Journal of Applied Clinical Medical Physics, Volume 27, Issue 8, August 2026.
Abstract Background The current standard radiotherapy treatment planning workflow typically requires several hours to days, during which patients must wait before treatment can be initiated. In certain oncological situations, however, treatment should commence as soon as possible.
Robert Schindhelm, Anne Richter, Philip Kleine, Jörg Tamihardja, Victor Lewitzki, Bülent Polat, Marcus Zimmermann, Frederick Mantel, Thomas Fischer, Sebastian Heß, Ingulf Lawrenz, Franziska Künzig, Felix Schilling, Andrea Wittig‐Sauerwein, Gary Razinskas   +14 more
wiley   +1 more source

Super‐Refractory Status Epilepticus (SRSE) in a Patient With Compound Heterozygous OPA1 Variants: Case Report and Literature Review

Annals of Clinical and Translational Neurology, Volume 13, Issue 8, Page 1543-1557, August 2026.
ABSTRACT Objective Super‐Refractory Status Epilepticus (SRSE) is a rare, life‐threatening neurological emergency with unclear etiology in many cases. Mitochondrial dysfunction, often due to disease‐causing genetic variants, is increasingly recognized as a cause, with each gene producing distinct pathophysiological mechanisms.
Pouria Mohammadi, Lara Basovic, Christopher Michael McGraw   +2 more
wiley   +1 more source

Phenotype Expansion of Malan Syndrome: New Cases and a Review of the Literature

American Journal of Medical Genetics Part A, Volume 200, Issue 8, Page 1783-1798, August 2026.
ABSTRACT Malan syndrome is an ultra‐rare overgrowth syndrome caused by pathogenic variants or deletions in nuclear factor one X (NFIX) located at 19p13.2. Here, we report a comprehensive literature review and phenotyping of known patients with Malan syndrome and present a novel cohort of eight patients.
Alex F. Nisbet, Sylvie A. Adams, Zoe S. Katz, Christal G. Delagrammatikas, Kosuke Izumi, Winifred Sigal, Kim Ventarola, Elaine H. Zackai, Julia E. Reid, Grant T. Liu, Jennifer M. Kalish   +10 more
wiley   +1 more source

The Connections of the Telencephalic Pallium in the White Sturgeon, Acipenser transmontanus: An Experimental Study

Journal of Comparative Neurology, Volume 534, Issue 8, August 2026.
Sturgeons are an ancient and basal group of ray‐finned fishes whose pallium consists of lateral, medial, and posterior divisions. The connections of these divisions were determined by injections of biotinylated dextran amine and DiI. Although there is considerable overlap in the connections of these pallial divisions, their heaviest connections are ...
R. Glenn Northcutt
wiley   +1 more source