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Pleura of the Lungs

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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...

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Pneumothorax-I

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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.
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Primary pulmonary pleomorphic liposarcoma found with a massive hemothorax.

Fumi Ohsawa¹, Natsumi Matsuura², Kazuki Numajiri²

¹Department of General Thoracic Surgery, Japanese Red Cross Maebashi Hospital, 389-1 Asakura-Machi, Maebashi, Gunma, 371-0811, Japan. f.shiraishi0827@gmail.com.

General Thoracic and Cardiovascular Surgery Cases

|November 8, 2024

Summary

Pleomorphic liposarcoma (PLPS) of the lung is a rare, aggressive cancer. This case highlights its potential for rapid growth, tumor rupture, and hemothorax, complicating treatment and prognosis.

Keywords:

Hemothorax Pleomorphic liposarcoma Pulmonary

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Published on: March 8, 2019

Area of Science:

Oncology
Pulmonary Medicine
Surgical Pathology

Background:

Pleomorphic liposarcoma (PLPS) is an uncommon and aggressive soft tissue sarcoma.
Lung involvement by PLPS is exceptionally rare.

Purpose of the Study:

To report a unique case of pleomorphic liposarcoma in the lung presenting with massive hemothorax.
To emphasize the clinical and pathological characteristics of pulmonary PLPS.

Main Methods:

Case presentation of a 45-year-old male with symptomatic lung mass and hemothorax.
Diagnostic workup included chest X-ray, enhanced computed tomography (CT), and positron emission tomography-CT (PET-CT).
Surgical intervention involved right lower lobe resection, followed by pathological confirmation of PLPS.

Main Results:

The patient presented with chest pain and a massive right hemothorax secondary to a ruptured lung mass.
Pathological examination confirmed the diagnosis of pleomorphic liposarcoma.
Post-operative imaging revealed significant pleural dissemination, and the patient succumbed to the disease three months after surgery.

Conclusions:

Pulmonary pleomorphic liposarcoma, though rare, poses a significant clinical challenge due to its aggressive nature.
Rapid tumor growth can lead to spontaneous rupture and hemothorax, potentially necessitating emergency surgery.
The high risk of metastasis and poor prognosis underscore the need for vigilant monitoring and aggressive management strategies.