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A 36-year-old woman had presented with dry cough for 2 months. Thoracic computed tomography (CT) scan showed a 12 cm × 8 cm ×5 cm mass in the anterior mediastinum. Due to intimately involving the aortic arch, tumor was removed incompletely. Residual tumor remained approximate 2 cm × 3 cm × 4 cm. Histologic diagnosis was a mature cystic teratoma containing a carcinoid. Subsequently, radiotherapy (RT) was administrated on residual tumor for a total dose of 50 Gy at 2 Gy/d fraction in 25 fractions. At 2-year follow-up, the patient had stable disease. In conclusion, adjuvant radiotherapy with 50 Gy is an effective approach for residual tumor of mediastinal carcinoid teratoma.


Lingli Tu, Lan Sun, Yu Zhou, Youling Gong, Jianxin Xue, Jun Gao, You Lu, Yongsheng Wang. Postoperative radiotherapy for residual tumor of primary mediastinal carcinoid teratoma. Journal of thoracic disease. 2013 Apr;5(2):E61-4

PMID: 23585961

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