Results 11 to 20 of about 534,292 (302)

Interobserver Reproducibility of PD-L1 Biomarker in Non-small Cell Lung Cancer: A Multi-Institutional Study by 27 Pathologists [PDF]

open access: yesJournal of Pathology and Translational Medicine, 2019
Background Assessment of programmed cell death-ligand 1 (PD-L1) immunohistochemical staining is used for treatment decisions in non-small cell lung cancer (NSCLC) regarding use of PD-L1/programmed cell death protein 1 (PD-1) immunotherapy.
Sunhee Chang   +4 more
doaj   +1 more source

Inter- and Intra-observer Variation of Schatzker Classification of Tibial Plateau Fractures and Morphological Characteristics of Each Fracture Subtype on Computed Tomography Scan

open access: yesJournal of Orthopedics, Traumatology and Rehabilitation, 2022
Background: There is little information regarding inter- and intra-observer variation when classifying tibial plateau fractures using Schatzker classification system.
Siddharth Gupta   +5 more
doaj   +1 more source

Mapping surgical coordinates of the sphenopalatine foramen : surgical navigation study [PDF]

open access: yes, 2009
Aims to identify measurements that may help intra operative localisation of the sphenopalatine foramen. The study used three dimensional surgical navigation software to study radiological anatomy, in order to define the distances and angulations between ...
C Douglas   +8 more
core   +1 more source

Molecular Correlates and Nuclear Features of Encapsulated Follicular-Patterned Thyroid Neoplasms [PDF]

open access: yesEndocrinology and Metabolism, 2021
Background Assessing nuclear features is diagnostically challenging in the aspect of thyroid pathology. The aim of this study was to determine whether pathologists could distinguish BRAF-like and RAS-like nuclear features morphologically and identify ...
Chan Kwon Jung   +10 more
doaj   +1 more source

Personalization of Saliency Estimation [PDF]

open access: yes, 2012
Most existing saliency models use low-level features or task descriptions when generating attention predictions. However, the link between observer characteristics and gaze patterns is rarely investigated. We present a novel saliency prediction technique
Yu, Bingqing, Clark, James J.
core   +2 more sources

A comparative analysis of manual glenoid version measurement using two- and three-dimensional computed tomography imaging techniques [PDF]

open access: yesClinics in Shoulder and Elbow
Background Accurate measurement of glenoid version is essential for optimal implant positioning in shoulder arthroplasty. This study compared the accuracy and reliability of unformatted two-dimensional computed tomography (2D-CT), formatted 2D-CT, and ...
Maxwell S Renna, Ashley I. Simpson
doaj   +1 more source

Inter-observer variability for cardiac ultrasound measurements in cats repeated at different time points in early adult life [PDF]

open access: yes, 2018
A high degree of accuracy is required when using echocardiography to diagnose hypertrophic cardiomyopathy (HCM) in cats, as variation in measurements of 0.5 mm may affect classification of individuals as ‘abnormal’.
Barberet   +7 more
core   +2 more sources

Acta Plane—A New Reference for Virtual Orientation of Cone Beam Computed Tomography Scans: A Pilot Study

open access: yesApplied Sciences, 2023
Introduction: Cone Beam Computed Tomography (CBCT) scans should be digitally oriented using a reference plane before being evaluated for patient growth and treatment outcome. Current orientation planes are usually dependent on the Porion points.
Fernanda Sanders-Mello   +9 more
doaj   +1 more source

Can an observer really catch up with light [PDF]

open access: yes, 2002
Given a null geodesic $\gamma_0(\lambda)$ with a point $r$ in $(p,q)$ conjugate to $p$ along $\gamma_0(\lambda)$, there will be a variation of $\gamma_0(\lambda)$ which will give a time-like curve from $p$ to $q$.
Guihua Tian   +5 more
core   +3 more sources

La calidad de las citologías para tamización de cáncer de cuello uterino en cuatro departamentos de Colombia: un estudio de concordancia

open access: yesBiomédica: revista del Instituto Nacional de Salud, 2010
Introducción. El cáncer de cuello uterino constituye la primera causa de muerte entre la población femenino por cáncer en Colombia. El bajo impacto que ha tenido el uso de la citología en algunos países, se ha atribuido a la baja reproducibilidad de los ...
Ricardo Cendales   +5 more
doaj   +1 more source

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