J Thorac Cardiovasc Surg 2004;127:1829-1830
© 2004 The American Association for Thoracic Surgery
a Division of Thoracic Surgery, Department of Surgery, Jichi Medical School, Minamikawachi, Tochigi, Japan
Received for publication November 20, 2003; revisions received December 26, 2003; accepted for publication January 5, 2004.
* Address for reprints: Yukio Sato, MD, PhD, Division of Thoracic Surgery, Department of Surgery, Jichi Medical School, 3311-1 Minamikawachi, Kawachi, Tochigi 329-0498, Japan
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The concept of pleomorphic carcinoma was introduced by Fishback and colleagues1 in a report indicating that most carcinomas with spindle cell or giant cell differentiation are associated with other major subtypes of lung carcinoma, such as squamous cell carcinoma, adenocarcinoma, or large cell carcinoma. In the new World Health Organization/International Association for the Study of Lung Cancer classification system, pleomorphic carcinoma is independent from other major subtypes, and at least a 10% spindle cell or giant cell component must be present for a diagnosis of pleomorphic carcinoma.2 Pleomorphic carcinomas tend to be large, peripheral tumors that often invade the adjacent tissue,1 which could pose problems in surgical treatment. Here we present a case of successful resection of pleomorphic carcinoma invading the descending aorta.
A 59-year-old man was admitted to our hospital because of a 3-month history of cough, fever, and back pain. Chest radiography revealed a large mass in the left hilum extending to the posterior mediastinum. Chest
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