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Internal Medicine
Vol. 51 (2012) No. 10 p. 1269-1272




Primary mediastinal seminoma is a rare tumor usually with nonspecific symptoms such as chest pain, dyspnea and hoarseness, but superior vena cava syndrome (SVCS) is an extremely uncommon syndrome. We report a 25-year-old man who presented with superior vena cava syndrome for 1 month and a 1-week history of retrosternal chest pain. Thorax computerized tomography demonstrated a soft tissue mass in the anterior mediastinum with stippled calcifications compressing the superior vena cava and other major vessels. Transthoracic biopsy showed primary seminoma of the anterior mediastinum. Combined chemoradiotherapy was performed and the patient was considered to have a partial response to treatment.

Copyright © 2012 by The Japanese Society of Internal Medicine

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