Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Pleural Effusion I: Introduction01:25

Pleural Effusion I: Introduction

4.3K
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...
4.3K
Pleural Effusion II: Symptoms and Management01:28

Pleural Effusion II: Symptoms and Management

781
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:
781
Behavior of Gas Molecules: Molecular Diffusion, Mean Free Path, and Effusion03:48

Behavior of Gas Molecules: Molecular Diffusion, Mean Free Path, and Effusion

31.3K
Although gaseous molecules travel at tremendous speeds (hundreds of meters per second), they collide with other gaseous molecules and travel in many different directions before reaching the desired target. At room temperature, a gaseous molecule will experience billions of collisions per second. The mean free path is the average distance a molecule travels between collisions. The mean free path increases with decreasing pressure; in general, the mean free path for a gaseous molecule will be...
31.3K
Pleural Disorders: Types and Brief Description01:30

Pleural Disorders: Types and Brief Description

696
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:
696
The Nucleolus02:55

The Nucleolus

10.4K
The nucleolus is the most prominent substructure of the nucleus. When it was first discovered, it was considered to be an isolated organelle that forms fibrils and granules. In 1931, the relationship between the nucleolus and chromosomes was first described by Heitz. He observed that the appearance and size of nucleolus varies depending on the stage of the cell cycle. He also noticed constricted regions on different chromosomes clustered together at definite cell cycle stages. These regions,...
10.4K
Frequency-dependent Selection01:21

Frequency-dependent Selection

24.0K
When the fitness of a trait is influenced by how common it is (i.e., its frequency) relative to different traits within a population, this is referred to as frequency-dependent selection. Frequency-dependent selection may occur between species or within a single species. This type of selection can either be positive—with more common phenotypes having higher fitness—or negative, with rarer phenotypes conferring increased fitness.
24.0K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Autoimmune-Associated Pulmonary Inflammatory Myofibroblastic Tumour: A Diagnostic and Therapeutic Challenge.

Respirology case reports·2026
Same author

The Eye Never Lies: When A Lesion Unveils Lung Cancer.

Respirology case reports·2026
Same author

Diagnostic utility of pleural fluid adenosine deaminase in tuberculous pleural effusion in patients with exudative effusion: a retrospective multicenter study (ADATPE).

Journal of thoracic disease·2026
Same author

Isolated Splenic Infarcts as a Presentation of Diffuse Large B-Cell Lymphoma.

Cureus·2025
Same author

Synergistic Sealing of the Pleural Space: Combining Thoracoscopic Talc Poudrage and IPC for Malignant Pleural Effusion-A Case Series.

Respirology case reports·2025
Same author

Comparison of diagnostic yield and complication of medical thoracoscopy using Flexible Bronchoscope versus Semi-Rigid Pleuroscope among Hospitalized Patients with Pleural Effusion (FLEXPLEUR): a retrospective observational study.

Journal of thoracic disease·2025

Related Experiment Video

Updated: Feb 1, 2026

Local Anesthetic Thoracoscopy for Undiagnosed Pleural Effusion
03:22

Local Anesthetic Thoracoscopy for Undiagnosed Pleural Effusion

Published on: November 10, 2023

1.6K

Pleural anthracosis presenting with massive effusion: a rare entity.

Rayhan Amiseno1, Andrea Yu-Lin Ban1, Noraidah Masir2

  • 1Respiratory Department Universiti Kebangsaan Malaysia Medical Centre Kuala Lumpur Malaysia.

Respirology Case Reports
|December 7, 2018
PubMed
Summary

Pleural anthracosis, a rare condition, can present unusually with symptomatic pleural effusion. This case report details a patient diagnosed with this condition after extensive investigation.

Keywords:
Anthracosiscarbongranulomapneumoconiasistuberculosis

More Related Videos

A Pleural Effusion Model in Rats by Intratracheal Instillation of Polyacrylate/Nanosilica
03:32

A Pleural Effusion Model in Rats by Intratracheal Instillation of Polyacrylate/Nanosilica

Published on: April 12, 2019

8.3K
Near Infrared Photoimmunotherapy for Mouse Models of Pleural Dissemination
05:39

Near Infrared Photoimmunotherapy for Mouse Models of Pleural Dissemination

Published on: February 9, 2021

3.7K

Related Experiment Videos

Last Updated: Feb 1, 2026

Local Anesthetic Thoracoscopy for Undiagnosed Pleural Effusion
03:22

Local Anesthetic Thoracoscopy for Undiagnosed Pleural Effusion

Published on: November 10, 2023

1.6K
A Pleural Effusion Model in Rats by Intratracheal Instillation of Polyacrylate/Nanosilica
03:32

A Pleural Effusion Model in Rats by Intratracheal Instillation of Polyacrylate/Nanosilica

Published on: April 12, 2019

8.3K
Near Infrared Photoimmunotherapy for Mouse Models of Pleural Dissemination
05:39

Near Infrared Photoimmunotherapy for Mouse Models of Pleural Dissemination

Published on: February 9, 2021

3.7K

Area of Science:

  • Pulmonology
  • Pathology

Background:

  • Pleural anthracosis is an uncommon condition, often discovered incidentally or post-mortem.
  • Diagnosis typically relies on characteristic findings during medical imaging or procedures.

Observation:

  • A 67-year-old male presented with recurrent, symptomatic pleural effusion initially suspected to be tuberculous.
  • Thoracoscopy revealed diffuse pleural hyperpigmentation, and biopsy showed granuloma with foreign body giant cells.
  • Contrast-enhanced computed tomography (CECT) demonstrated pleural plaques and ipsilateral lung calcifications.

Findings:

  • Extensive investigations for tuberculosis, fungal infections, and malignancy were negative.
  • The clinical presentation and diagnostic findings led to a diagnosis of pleural anthracosis.
  • This case underscores an atypical manifestation of pleural anthracosis.

Implications:

  • Highlights the importance of considering rare diagnoses like pleural anthracosis in cases of unexplained pleural effusion.
  • Suggests that pleural anthracosis can mimic other serious pleural diseases, necessitating thorough differential diagnosis.
  • Contributes to the understanding of the clinical spectrum and diagnostic challenges of pleural anthracosis.