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Pneumothorax-I

Pneumothorax-I

A pneumothorax is a condition where air builds up in the space between the lung and the chest wall, causing the lung to collapse. This condition arises when air enters the space between the parietal and visceral pleura, disrupting the negative pressure essential for lung inflation. This can lead to a partial or complete collapse of the lung.
Pneumothorax can be even further classified as spontaneous, traumatic, and tension pneumothorax.

Pneumothorax-II

Pneumothorax-II

Pneumothorax is a medical condition defined by the buildup of air in the pleural space between the lungs and the chest wall. This accumulation of air can lead to partial or complete lung collapse, resulting in a range of clinical manifestations. Understanding the clinical presentation and effective management strategies is crucial for healthcare professionals in providing timely and appropriate care to individuals with pneumothorax.
Clinical Manifestations:

Pneumothorax II: Pathophysiology

Pneumothorax II: Pathophysiology

Pneumothorax means the presence of air in the pleural space — the thin potential gap between the visceral and parietal pleura. This condition disrupts the normal pressure balance that keeps the lungs inflated, leading to partial or complete collapse of the affected lung.Normal physiologyUnder normal conditions, the pleural space maintains a slightly negative intrapleural pressure, which keeps the lungs expanded against the chest wall. This negative pressure creates a delicate balance between...

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Related Experiment Video

Updated: May 17, 2026

Chronic Thromboembolic Pulmonary Hypertension and Assessment of Right Ventricular Function in the Piglet

Chronic Thromboembolic Pulmonary Hypertension and Assessment of Right Ventricular Function in the Piglet

Published on: November 4, 2015

Intrathoracic pseudocyst in a kitten.

Orly Zemer¹, Ori Brenner, Roni Ginnsburg

¹Veterinary Teaching Hospital Koret School of Veterinary Medicine, The Hebrew University-Small Animal Surgery, Rehovot, Israel. orlyzemer@yahoo.co.uk

Journal of Feline Medicine and Surgery

|October 24, 2012

Summary

A young kitten experienced sudden breathing difficulties due to a thoracic pseudocyst, a sterile mass. Surgical removal led to a full recovery, with no recurrence of clinical signs.

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In vivo Measurement of the Mouse Pulmonary Endothelial Surface Layer

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Last Updated: May 17, 2026

Chronic Thromboembolic Pulmonary Hypertension and Assessment of Right Ventricular Function in the Piglet

Chronic Thromboembolic Pulmonary Hypertension and Assessment of Right Ventricular Function in the Piglet

Published on: November 4, 2015

In vivo Measurement of the Mouse Pulmonary Endothelial Surface Layer

In vivo Measurement of the Mouse Pulmonary Endothelial Surface Layer

Published on: February 22, 2013

Area of Science:

Veterinary Medicine
Thoracic Surgery
Diagnostic Imaging

Background:

A 2-month-old domestic shorthair kitten presented with acute dyspnea.
Physical examination revealed severe dyspnea and tachypnea.

Observation:

Pleural effusion, consistent with modified transudate, was aspirated, providing immediate respiratory relief.
Thoracic radiography and ultrasound identified a large soft tissue mass occupying the left hemithorax.

Findings:

Exploratory thoracotomy revealed a mass obliterating the left hemithorax.
Histological examination confirmed the mass as a thoracic pseudocyst, a sterile process resembling an organized seroma or hematoma.
Surgical excision of the mass was successful.

Implications:

Thoracic pseudocysts are a treatable cause of acute dyspnea in young cats.
Prompt diagnosis and surgical intervention can lead to excellent outcomes.
This case highlights the importance of considering sterile inflammatory processes in feline thoracic masses.