• Yusuke Nakamura, Masayuki Iwazaki, Ryota Masuda, Masao Nakano, Teiko Sato, and Akihiko Shimada.
• Department of General Thoracic Surgery, Tokai University Hachioji Hospital, 1838 Ishikawa-machi, Hachioji, Tokyo 192-0032, Japan. yus_naka@yahoo.co.jp.
• Tokai J. Exp. Clin. Med. 2013 Dec 20; 38 (4): 142-5.

AbstractPulmonary metastasis of low-grade endometrial stromal sarcoma is rare. A 61-year-old woman visited our hospital due to an abnormal chest shadow. Computed tomograhy showed a mass that was composed of a cystic and solid lesion, in the right lower lobe. She had undergone a combination of a hysterectomy and adnexectomy for a low-grade endometrial stromal sarcoma 57 months previously, and undergone adjuvant radiation therapy at the local site. To obtain a definitive diagnosis of the lung tumor, we performed lobectomy of the right lower lobe and lymph node dissection. To avoid possible dissemination, the tumor was resected not using video-assisted thoracic surgery but using thoracotomy. The pathologic diagnosis was pulmonary metastasis of the low-grade endometrial stromal sarcoma. Now, medroxyprogesterone acetate is being administered, and no signs of recurrence have been detected in the 24 months since the lung resection.

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