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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Sato, Mototaka Nakai, Yasutomo Nakata, Wataru Yoshida, Takahiro Hatano, Koji Kawashima, Atsunari Fujita, Kazutoshi Uemura, Motohide Takayama, Hitoshi Nonomura, Norio |
| Description | Country affiliation: Japan Author Affiliation: Sato M ( Department of Urology, Osaka University Graduate School of Medicine, Osaka, Japan.) |
| Abstract | OBJECTIVES: To analyze the presence of immature vessels as a predictive factor of prognosis in patients with renal cell carcinoma. METHODS: Tissue samples were obtained from 50 renal cell carcinoma patients who underwent radical nephrectomy, and the blood vessels were stained using antibodies to cluster of differentiation 34 and -smooth muscle actin. Immature vessels were defined as those positive for cluster of differentiation 34, and mature vessels as those positive for both cluster of differentiation 34 and -smooth muscle actin. The extent of vascularization was quantified by calculating the microvessel area and microvessel density. RESULTS: The microvessel area of immature vessels was positively associated with tumor grade (P < 0.0001), T stage (P < 0.0001) and American Joint Committee on Cancer stage (P < 0.0001), and was significantly higher in tumors with metastasis than in those without metastasis (P < 0.0001). The microvessel density did not associate with tumor grade or T stage. The disease-free survival and overall survival were significantly shorter in patients with high microvessel area. CONCLUSIONS: The microvessel area of immature vessels seems to be associated with renal cell carcinoma aggressiveness, suggesting this might be considered as a novel prognostic factor in patients with these tumors. |
| File Format | HTM / HTML |
| ISSN | 09198172 |
| e-ISSN | 14422042 |
| Journal | International Journal of Urology |
| Issue Number | 2 |
| Volume Number | 21 |
| Language | English |
| Publisher | Wiley-Blackwell |
| Publisher Date | 2014-02-01 |
| Publisher Place | Australia |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Kaplan-meier Estimate Kidney Neoplasms Multivariate Analysis Prognosis Discipline Urology Blood Supply Mortality Risk Factors Neovascularization, Pathologic Predictive Value Of Tests Pathology Microvessels Carcinoma, Renal Cell Neoplasm Staging |
| Content Type | Text |
| Resource Type | Article |
| Subject | Urology |
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