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http://ir.cmu.edu.tw/ir/handle/310903500/28812
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| 題名: | Another way to estimate outcome of advanced nasopharyngeal carcinoma - Is concurrent chemoradiotherapy adequate |
| 作者: | Lin, JC;Liang, WM;Jan, JS;Jiang, RS;Lin, AC |
| 貢獻者: | 公共衛生學院公衛系;Taichung Vet Gen Hosp, Dept Radiat Oncol, Taichung 407, Taiwan;Taichung Vet Gen Hosp, Dept Otorhinolaryngol, Taichung 407, Taiwan;Natl Yang Ming Univ, Sch Med, Dept Med, Taipei, Taiwan;China Med Univ, Publ Hlth & Inst Environm Hlth, Taichung, Taiwan;Natl Cheng Kung Univ, Dept Radiat Oncol, Tainan, Taiwan;Stanford Univ, Sch Med, Dept Med, Stanford, CA USA |
| 日期: | 2004 |
| 上傳時間: | 2010-09-24 13:55:24 (UTC+8) |
| 出版者: | ELSEVIER SCIENCE INC |
| 摘要: | Pulmonary fibrosis is a severe complication associated with bis-chloronitrosourea ( BCNU) therapy. However, the pathogenetic mechanism has never been well investigated. We report here a 26-year-old female with diffuse large B-cell lymphoma who died of severe pulmonary fibrosis 81 days after the administration of high-dose BCNU (600 mg/m(2)). Thoracoscopic wedge resection of left upper lung performed 10 days before patient's death showed severe pulmonary fibrosis with prominent hyperplasia of alveolar macrophages and type II pneumocytes. We further used immunohistochemistry (IHC) to examine the relative role of platelet-derived growth factor-B (PDGF-B), insulin-like growth factor I (IGF-I), transforming growth factor-beta1 (TGF-beta1) and cyclooxygenase-2 (COX-2) in the pathogenesis of BCNU-related pulmonary fibrosis. Strong expressions of PDGF-B and IGF-1 on alveolar macrophages and type II pneumocytes were clearly demonstrated, but in contrast, the expressions of TGF-beta1 and COX-2 were almost undetectable. In conclusion, pulmonary fibrosis can develop early and progress rapidly after the administration of high-dose BCNU. The markedly increased expression of fibrogenic factors PDGF-B and IGF-1 on hyperplastic alveolar macrophages and hyperplastic type II pneumocytes may play an important role in the fibrogenesis of this disease. These novel findings may offer specific therapeutic targets in the treatment of BCNU-associated pulmonary fibrosis. |
| 關聯: | INTERNATIONAL JOURNAL OF RADIATION ONCOLOGY BIOLOGY PHYSICS 60(1):156-164 |
| 顯示於類別: | [公共衛生學系暨碩博班] 期刊論文
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