Related Experiment Video
Updated: Jul 17, 2026
15:43
Long Term Chronic Pseudomonas aeruginosa Airway Infection in Mice
Published on: March 18, 2014
[Primary nonspecific chronic pleurisy (author's transl)]
Archiv Fur Geschwulstforschung
|January 1, 1977
Summary
Cytologic examination of pleural fluid and biopsies aids in diagnosing chronic nonspecific pleurisy. Critical evaluation distinguishes mesothelial cell changes from mesothelioma, preventing misdiagnosis.
Area of Science:
- Pathology
- Cytology
- Oncology
Context:
- Differential diagnosis of pleural effusions.
- Distinguishing benign inflammatory conditions from malignant neoplasms.
- Importance of accurate cytologic and histopathologic analysis.
Purpose:
- To evaluate the utility of pleural fluid cytology and biopsy examination in the differential diagnosis of primary chronic nonspecific pleurisy.
- To identify characteristic cellular findings in early-stage disease.
- To describe later-stage cellular alterations that may mimic malignancy.
Summary:
- Cytologic and cyto-histological examinations of pleural exudate and biopsies are valuable for diagnosing primary chronic nonspecific pleurisy.
- Early-stage findings are distinct, facilitating mesothelioma differentiation.
- Later-stage mesothelial cell changes can resemble tumor cells but are distinguishable through critical evaluation of nuclear and cytoplasmic features.
Impact:
- Improved diagnostic accuracy for pleural conditions.
- Reduced misdiagnosis of mesothelioma in cases of chronic pleurisy.
- Enhanced understanding of mesothelial cellpathology in inflammatory pleural diseases.
Related Concept Videos
01:13Pleura of the Lungs
The lungs are nestled in a cavity, shielded by the pleura. The pleura, a form of serous membrane, wraps around each lung. This membrane arrangement consists of two layers: the visceral and parietal pleurae. The visceral pleura lines the surface of the lungIn contrast, the parietal pleura is the outer layer and contacts to the thoracic wall, the mediastinum, and the diaphragm. The hilum is the point of connection between the visceral and parietal layers. The space between the parietal and...
01:29Pneumonia II: Pathophysiology
The pathophysiology of pneumonia involves the following steps:
01:30Pleural Disorders: Types and Brief Description
The pleura is a vital part of the respiratory system. It's a double-layered membrane surrounding the lungs and lining the chest cavity. The two layers of the pleura are:
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,...
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:
01:14Atypical Pneumonia
Atypical pneumonia, often caused by Mycoplasma pneumoniae, is a form of pulmonary infection that differs from the classical presentation of bacterial pneumonia in both its cause and clinical symptoms. Mycoplasma pneumoniae is a pleomorphic bacterium notable for its lack of a rigid cell wall. This structural characteristic imparts resistance to beta-lactam antibiotics and significantly influences the bacterium’s behavior within the human host.Other pathogens responsible for the disease include...