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Ann Thorac Surg 2006;82:1904-1906
© 2006 The Society of Thoracic Surgeons
a Department of Thoracic Surgery, Kyoto Prefectural University of Medicine, Kyoto, Japan
b Department of Pathology and Applied Neurobiology, Kyoto Prefectural University of Medicine, Kyoto, Japan
Accepted for publication February 2, 2006.
* Address correspondence to Dr Shimada, Kajii-cho 465, Kamigyo-ku, Kyoto, 602-8566 Japan. (Email: shimajun{at}beige.plala.or.jp).
We report the first case of a malignant mesothelioma expressing not only granulocyte-colony stimulating factor (G-CSF), but also its receptor. A 59-year-old male carpenter underwent a panpleuropneumonectomy, but the tumor relapsed and spread rapidly, accompanied by leukocytosis. The white blood cell count reached 147,000/mm3 (96.2% neutrophils), and the concentration of serum G-CSF was 77 pg/mL. An autopsy demonstrated that some of the tumor cells produced G-CSF, but more tumor cells and endothelial cells in the tumor expressed G-CSF receptor. It was hypothesized that an autocrine loop involving G-CSF and the G-CSF receptor greatly accelerated the tumor growth.
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