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Post-irradiation constrictive pericarditis following thymoma treatment: a report of two cases

Yu Hikosaka1, Motoki Yano, Shinya Otsuka

  • 1Department of Oncology, Immunology and Surgery, Nagoya City University Graduate School of Medical Sciences, 1 Kawasumi, Mizuho-cho, Mizuho-ku, Nagoya, 467-8602, Japan.

General Thoracic and Cardiovascular Surgery
|August 3, 2013
PubMed

Whole pericardial irradiation may be performed for mediastinal malignancies with pericardial dissemination or malignant pericardial effusion. Case 1 is a 57-year-old woman with a B1 thymoma, Masaoka stage IVa. She underwent whole pericardial irradiation and suffered post-irradiation constrictive pericarditis 3 years later. Diuresis, catecholamine infusions, drainage, and pericardiectomy were performed. However, she died of heart failure after 4 years and 1 month due to constrictive pericarditis. Case 2 is a 56-year-old woman with myasthenia gravis and a B2 thymoma, Masaoka stage III. She underwent an extended thymectomy with partial resection of the lung and pericardium and received adjuvant radiation therapy of the whole pericardium. She was affected by post-irradiation constrictive pericarditis 7 months later, for which she underwent pericardiectomy. However, her constrictive pericarditis remained. In conclusion, we report two advanced thymoma cases with post-irradiation constrictive pericarditis. Indicators for whole pericardial irradiation should be determined strictly and carefully.

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