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±ÙħÀ±¼º ¹æ±¤¾Ï ȯÀÚÀÇ ¹æ±¤ º¸Á¸Àû Ä¡·á °á°ú Bladder Preserving Treatment in Patients with Muscle Invasive Bladder Cancer

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ÀÓÈ£¿µ ( Lim Ho-Yeong ) 
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ÃÖÇÑ¿ë ( Choi Han-Yong ) 
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Çã½ÂÀç ( Huh Seung-Jae ) 
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ÀÌÇö¹« ( Lee Hyun-Moo ) 
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±è¿ø¼® ( Kim Won-Seog ) 
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¹Ú¿ø ( Park Won ) 
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¿Àµ¿·Ä ( Oh Dong-Ryol ) 
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Àü¼º¼ö ( Jeon Seong-Soo ) 
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Abstract

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Purpose: This study analyzed the tumor response, overall survival, progression free survival and related prognostic factors in patients with muscle invasive bladder cancer subjected to bladder preserving treatment.

Materials and Methods: Between August 1995 and June 2004, 37 patients with muscle invasive (transitional cell carcinoma, clinically stage T2-4) bladder cancer were enrolled for the treatment protocol of bladder preservation. There were 33 males and 4 females, and the median age was 67 years (range 38¡­86 years). Transurethral resection of the bladder (TURB) was performed in 17 patients who underwent complete resection. The median radiation dose administered was 64.8 Gy (range 55.8¡­67 Gy). The survival rate was calculated by the Kaplan-Meier method.

Results: An evaluation of the response rate was determined by abdomen-pelvic CT and cystoscopy at three months after radiotherapy. A complete response was seen in 17 patients (46%). The survival rate at three years was 54.7%, with 54 months of median survival (range 3¡­91 months). During the study, 17 patients died and 13 patients had died from bladder cancer. The progression free survival rate at three years was 37.2%. There were 24 patients (64.9%) who had disease recurrence: 16 patients (43.2%) had local recurrence, 6 patients (16.2%) had a distant recurrence, and 2 patients (5.4%) had both a local and distant recurrence. The survival rate (p=0.0009) and progression free survival rates (p=0.001) were statistically significant when compared to the response rate after radiotherapy.

Conclusion: The availability of complete TURB and appropriate chemoradiotherapy were important predictors for bladder preservation and survival.

Å°¿öµå

¹æ±¤¾Ï; ¹æ±¤ º¸Á¸Àû Ä¡·á; ¹æ»ç¼± Ä¡·á
Bladder cancer; Bladder preserving teratment; Radiotherapy

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