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Mediastinal cyst with rim calcification.

Seiichiro Sugimoto1, Takahiko Misao, Hideharu Nakano

  • 1Department of Surgery, Kagawa Prefectural Central Hospital, Takamatsu, Japan.

The Japanese Journal of Thoracic and Cardiovascular Surgery : Official Publication of the Japanese Association for Thoracic Surgery = Nihon Kyobu Geka Gakkai Zasshi
|June 16, 2004
PubMed
Summary

This case report details a rare mediastinal cyst with rim calcification found in a patient with chronic pericarditis. Surgical removal and histological analysis confirmed the diagnosis of this unusual mediastinal mass.

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Area of Science:

  • Thoracic Surgery
  • Diagnostic Imaging
  • Pathology

Background:

  • Chronic pericarditis management can present diagnostic challenges.
  • Mediastinal masses require accurate preoperative characterization.
  • Imaging modalities like CT and MRI are crucial for evaluating mediastinal lesions.

Observation:

  • A 58-year-old male with chronic pericarditis presented with a calcified mediastinal mass on chest X-ray.
  • Multilocular anterior mediastinal tumor with rim calcification identified via CT and MRI.
  • Tumor markers were within normal limits, suggesting a benign etiology.

Findings:

  • Surgical exploration via median sternotomy revealed a cystic tumor with calcified rim.
  • Histopathology showed a cyst wall of dense fibrous tissue and calcification, lacking epithelial lining.

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  • Associated thymic tissue was noted around the cyst.

    • Implications:

    • This case highlights a rare instance of a mediastinal cyst with rim calcification.
    • Accurate diagnosis of mediastinal cysts is essential for appropriate surgical planning.
    • Understanding the varied presentations of mediastinal masses aids in differential diagnosis.