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Intrapleural omentum simulating pleural effusion

Y Sekiguchi1, S Shimura, T Takishima

  • 1First Department of Internal Medicine, Tohoku University School of Medicine, Sendai, Japan.

Chest
|July 1, 1994
PubMed
Summary
This summary is machine-generated.

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Morgagni hernia can mimic pleural effusion on chest X-rays. This case highlights the importance of considering Morgagni hernia in patients with fat-density pleural shadows.

Area of Science:

  • Thoracic Surgery
  • Diagnostic Imaging
  • Gastroenterology

Background:

  • Morgagni hernias are rare congenital diaphragmatic hernias.
  • They can present insidiously, often discovered incidentally on imaging.
  • Omental herniation into the pleural space can mimic other thoracic pathologies.

Observation:

  • A 62-year-old male presented with a right costophrenic angle shadow on chest radiograph.
  • Initial imaging suggested a pleural effusion, but CT revealed a fat-density mass.
  • Thoracoscopy identified a mobile, omentum-like mass without pleural fluid.

Findings:

  • Multi-modality imaging, including MRI and celiac angiography, confirmed Morgagni hernia of the omentum.
  • The herniated omentum occupied the right pleural space.

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  • No signs of trauma or significant symptoms were noted in the patient.

    • Implications:

    • Morgagni hernia should be included in the differential diagnosis for fat-density lesions in the pleural space.
    • Accurate diagnosis relies on a combination of imaging modalities.
    • Prompt identification and surgical management are crucial for resolving symptoms and preventing complications.