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Kiyoharu Nakano
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J Thorac Cardiovasc Surg 2007;133:834-835
© 2007 The American Association for Thoracic Surgery

Brief Communication

Surgical exclusion of a thrombosed azygos vein aneurysm causing pulmonary embolism

Yoshitsugu Nakamura, MD*, Kiyoharu Nakano, MD, Hayao Nakatani, MD, Takuya Fukuda, MD, Kentaro Honda, MD, Nobuyuki Homma, MD

Department of Cardiovascular Surgery, Kanto Medical Center NTT EC, Tokyo, Japan.

Received for publication October 17, 2006; accepted for publication November 9, 2006.

* Address for reprints: Yoshitsugu Nakamura, MD, Department of Cardiovascular Surgery, Kanto Medical Center NTT EC, 5-9-22 Higashigotanda, Shinagawa-ku, Tokyo 141-8625, Japan. (Email: nakamura@kmc.mhc.east.ntt.co.jp).

The first 20% of the full text of this article appears below.

We report a surgical case of a large thrombosed azygos vein aneurysm causing severe pulmonary embolism. The aneurysm diminished spontaneously by closing its connection with the superior vena cava.

Clinical Summary

A 37-year-old woman was admitted with chest pain and palpitations. A superior vena caval aneurysm had been diagnosed 2 years ago during the patient’s left thyroid lobe resection. Her medical history was unremarkable except for thyroid disease. Furthermore, no significant trauma was recorded. Her cardiac, renal, and hepatic functions were normal. A chest radiograph showed mediastinal enlargement occupying the right upper lung field (Figure 1, A). Computed tomography (CT) revealed a huge thrombosed saccular aneurysm of 11 x 9 cm at the azygos vein arch (Figure 2, A). The thrombus protruded into the superior vena cava (SVC), and bilateral . . . [Full Text of this Article]






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