Results 21 to 30 of about 2,177,035 (249)

Ferroelectric liquid crystal Pancharatnam-Berry lens with a fast control of output light’s polarization-handedness

open access: yes, 2021
We report the ferroelectric liquid crystal (FLC) Pancharatnam-Berry lenses (PBLs) with rapid transmittance tunability. The FLC PBLs were fabricated using a single-step holographic exposure system based on a spatial light modulator working as numerous ...
Qi, Shuxia   +7 more
core   +1 more source

Transudative chylothorax in a liver cirrhosis patient: A case report

open access: yesRespiratory Medicine Case Reports, 2022
Chylothorax defines chyle in the pleural space, usually from defects in thoracic duct. Chylothoraces are usually exudative, as defined by light's criteria but in rare instances, chylothoraces can be transudative.
Rose Nganga   +4 more
doaj   +1 more source

The Use of Thoracic Ultrasound to Predict Transudative and Exudative Pleural Effusion

open access: yesPOCUS Journal, 2021
Objectives: Pleural effusion is a common reason for hospital admission with thoracentesis often required to diagnose an underlying cause. This study aimed to determine if the imaging characteristics of TUS effectively differentiates between transudative
Peter T. Evans   +6 more
doaj   +1 more source

Biomarkers in routine diagnosis of pleural effusions

open access: yesZdravniški Vestnik, 2018
Background: Pleural fluid biochemical analysis is the first step in pleural effusion (PE) diagnostics. Our purpose was to analyse the utility of the biomarkers used at our clinic in the routine diagnosis of PE. Methods: We retrospectively reviewed the PE
Tiva Nemanič   +3 more
doaj   +1 more source

Diagnostic utility of pleural fluid/serum bilirubin ratio versus light’s criteria in differentiating exudative and transudative pleural effusions. A cross-sectional observational study.

open access: yesStudent's Journal of Health Research Africa
Background Differentiation between exudative and transudative pleural effusions is fundamental for guiding clinical management. Light’s criteria remain the standard, though reports suggest misclassification in certain cases, necessitating exploration of
Dr. Jonnalagadda Monika   +3 more
doaj   +1 more source

Validity of pleural lactate dehydrogenase measurements in assessment of pleural effusions [PDF]

open access: yesUniversa Medicina, 2012
Background Pleural effusions are classified into transudates and exudates based on Light’s criteria, but the main disadvantage of Light’s criteria is the misclassification of transudates as exudates in about 20% of cases.
Elisna Syahruddin   +2 more
doaj  

The 'Starry Sky' in Tuberculoma [PDF]

open access: yesJournal of Microbiology and Infectious Diseases, 2017
A 27 year old lady was admitted with high-grade fever, severe headache along with dry-cough and she was being treated for neurocysticercosis on basis of ‘starry sky’ pattern on her magnetic resonance imaging (MRI) of brain.
Shinjan Patra, Partha Pratim Chakraborty, Gouranga Santra
doaj   +1 more source

Significance of serum-pleural effusion albumin gradient in differentiating transudative and exudative pleural effusions in comparison to light’s criteria

open access: yes, 2017
Background: Approximately one million patients develop pleural effusion every year. It is a common clinical disorder and is either a manifestation or a complication of one or other respiratory or non-respiratory disorders.
Sujatha G., Vindhya P., Kalyan Kumar K.
core   +1 more source

A Comparison of Pleural Fluid Cholinesterase Estimation and Lights Criteria in Diagnosing Type of Pleural Effusion [PDF]

open access: yes, 2020
BACKGROUND: The study focuses on superiority of efficacy of serum & Pleural fluid Cholinesterase ratio in determining exudate and transudate Pleural effusion than Light’s criteria. AIM OF THE STUDY: 1.
Shree Balaji, S
core  

Enantio-sensitive unidirectional light bending [PDF]

open access: yes, 2021
Developing new methods for structuring light’s chirality in space would be advantageous for various next-generation applications. Here, the authors report enantio-sensitive unidirectional light bending by interacting light with isotropic chiral ...
Ivanov, Misha   +9 more
core   +1 more source

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