Related Experiment Video
Updated: Jun 1, 2026
08:14
MicroRNA Based Liquid Biopsy: The Experience of the Plasma miRNA Signature Classifier (MSC) for Lung Cancer Screening
Published on: October 26, 2017
Diagnostic molecular biomarkers for malignant pleural effusions
Krishna B Sriram1, Vandana Relan, Belinda E Clarke
1University of Queensland Thoracic Research Centre, School of Medicine, The University of Queensland, Queensland, Australia. bajee.sriram@uqconnect.edu.au
Future Oncology (London, England)
|June 17, 2011
Summary
Diagnosing malignant pleural effusions (MPEs) can be challenging due to low cytology sensitivity. Novel molecular biomarkers show promise for improving MPE diagnosis and timely treatment.
Area of Science:
- Oncology
- Pulmonology
- Molecular Diagnostics
Background:
- Malignant pleural effusions (MPEs) significantly impact cancer patient mortality and morbidity.
- Current diagnostic methods, like pleural fluid cytology, have limited sensitivity (30-60%), often necessitating invasive procedures.
- Median survival after MPE diagnosis is short (4-9 months), highlighting the need for prompt and accurate diagnosis.
Purpose of the Study:
- To review the potential of novel molecular diagnostic biomarkers for improving the diagnosis of malignant pleural effusions.
- To discuss the challenges and future directions for incorporating these molecular tests into clinical practice.
Main Methods:
- Review of recent genomic, transcriptomic, methylation, and proteomic studies on cells within pleural effusions.
- Analysis of identified molecular diagnostic biomarkers with potential to complement cytology.
Main Results:
- Novel molecular biomarkers have been identified in pleural effusion cells.
- These biomarkers show potential for enhancing the diagnostic accuracy of MPEs beyond traditional cytology.
Conclusions:
- Molecular diagnostic tests offer a promising avenue to improve MPE diagnosis.
- Further validation through prospective, comparative, and cost-effectiveness studies is crucial before routine clinical implementation.
- Ultimately, rapid, minimally invasive diagnostic tests are needed for timely and effective patient therapy.
Related Concept Videos
01:28Pleural Effusion II: Symptoms and Management
Pleural Effusion Overview
A pleural effusion is the abnormal collection of fluid between the parietal and visceral pleura layers of tissue that form the lining of the lungs and chest cavity. It can occur independently or due to surrounding parenchymal diseases, such as infection, malignancy, or inflammatory conditions.
Clinical Manifestations:
A pleural effusion is the abnormal collection of fluid between the parietal and visceral pleura layers of tissue that form the lining of the lungs and chest cavity. It can occur independently or due to surrounding parenchymal diseases, such as infection, malignancy, or inflammatory conditions.
Clinical Manifestations:
01:25Pleural Effusion I: Introduction
Pleural effusion is an abnormal fluid accumulation in the pleural cavity, a narrow space between the lungs and the chest wall. It is not a disease per se but rather a symptom or indication of an underlying disease. In normal circumstances, this space contains a small amount of fluid (5 to 15 mL), a lubricant facilitating the non-frictional movement of the pleural surfaces.
There are two main types of pleural effusion: transudative and exudative. They are differentiated using Light's criteria,...
There are two main types of pleural effusion: transudative and exudative. They are differentiated using Light's criteria,...