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Ann Thorac Surg. 2014 Mar;97(3):1077-80. doi: 10.1016/j.athoracsur.2013.06.100.

Asymptomatic but functional paraganglioma of the posterior mediastinum.

Author information

1
Department of General Thoracic Surgery, Okayama University Hospital, Okayama, Japan.
2
Department of General Thoracic Surgery, Okayama University Hospital, Okayama, Japan. Electronic address: h.yamamoto@md.okayama-u.ac.jp.
3
Department of Pathology, Okayama University Hospital, Okayama, Japan.

Abstract

A 72-year-old woman was referred to our hospital because of a posterior mediastinal tumor. On the basis of detailed imaging tests, including (123)I-metaiodobenzylguanidine single photon emission computed tomography-computed tomography, and elevated values of catecholamines in the plasma and urine, the tumor was diagnosed as a functional mediastinal paraganglioma even in the absence of symptoms. After preoperative blood pressure control, surgical resection was performed. During the operation, the systemic blood pressure increased transiently as a result of surgical manipulation of the tumor. Soon after the tumor was removed, the patient conversely experienced hypotension. The postoperative course was uneventful, and pathologic diagnosis revealed a paraganglioma.

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