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Abstract

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¾çÀ¸·Î ÃÊÁø½Ã ¾à70%Á¤µµ°¡ Ç¥À缺 ¹æ±¤¾ÏÀÌ´Ù. Ç¥À缺 ¹æ±¤¾ÏÀº °æ¿äµµÀýÁ¦¼ú¸¸À¸·Î Ä¡·á
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Àç¹ß°ú ÁøÇàÀ» ¸·±â À§ÇÏ¿© °æ¿äµµÀýÁ¦¼ú ÈÄ ¿©·¯ °¡Áö Ç×¾ÏÁ¦³ª ¸é¿ª¿ä¹ýÁ¦ÀÎ BCGÀÇ ¹æ
±¤ ³» ÁÖÀÔ ¿ä¹ýÀÌ ½ÃµµµÇ°í ÀÖ´Ù. ±× Áß ¹æ±¤ ³» BCGÁÖÀÔ ¿ä¹ý¿¡´Â Àç¹ß·üÀ» 20%±îÁö ³·
Ãâ ¼ö ÀÖÀ» Á¤µµ·Î ±× È¿°ú°¡ ¶Ù¾î³­ ÆíÀÌ´Ù. ±×·¯³ª ÀÌ·¯ÇÑ ¹æ¹ýµéÀ» º¸´Ù ´õ È¿°úÀûÀ¸·Î
ÀÌ¿ëÇÏ°í ÀûÀýÇÑ Ä¡·á ¹æ¹ýÀ» ¼±ÅÃÇϱâ À§ÇØ Ç¥À缺¹æ±¤¾ÏÀÇ Àç¹ß ¹× ÁøÇà ¿©ºÎ¸¦ ¹Ì¸® ¿¹
ÃøÇÒ ¼ö ÀÖ´Â ¿¹ÈÄ Ã´µµ°¡ ÇÊ¿äÇÏ¿© ¸¹Àº ¿¬±¸°¡ ÀÌ·ç¾îÁö°í ÀÖÀ¸³ª ¸¸Á·ÇÒ ¸¸ÇÑ ¿¹ÈÄ ¿¹Ãø
¹æ¹ýÀ» ¹ß°ßÇÏÁö ¸øÇÏ°í ÀÖ´Ù.
ÃÖ±Ù ºÐÀÚ»ý¹°ÇÐ, ¸é¿ªÇÐ ¹× ¼¼Æ÷ À¯ÀüÇÐ µîÀÇ ¹ßÀüÀ¸·Î ±âÁ¸ ¿¹ÈÄ ÀÎÀÚº¸´Ù ´õ Á¤È®ÇÏ°Ô
¹æ±¤¾ÏÀÇ Àç¹ß ¹× ÁøÇàÀ» ¿¹Ãø °¡´ÉÇÑ »õ·Î¿î ¿¹ÈÄÀÎÀÚ¸¦ ¹ß°ßÇϱâ À§ÇØ Á¾¾ç °ü·ÃÇ׿ø, ¿°
»öü Ç¥½ÄÀÚ, Áõ½Ä¼º Ç׿ø, ¹ß¾Ï À¯ÀüÀÚ, ¼¼Æ÷ÁÖ±â Á¶Àý´Ü¹é µî¿¡ ´ëÇÑ ¿¬±¸°¡ È°¹ßÈ÷ ÁøÇà
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´ë»ó±º¿¡¼­ Àû¿ëÀÌ ÇÊ¿äÇÏ°í Àå±â°£ÀÇ ÃßÀû °üÂûÀÌ ¿ä±¸µÈ´Ù. ¶ÇÇÑ °Ë»çÀÇ Ç¥ÁØÈ­¿Í ºñ¿ë
µîÀÇ ¹®Á¦Á¡, ¹æ±¤¾ÏÀÇ ´Ù¾çÇÑ ÀÓ»ó Ư¼º ¹× »ý¹°ÇÐÀû Ư¼º ¶§¹®¿¡ ¾î´À ÇÑ µÎ°¡Áö ƯÁ¤ ¿¹
ÈÄ ¿¹ÃøÀÎÀÚ°¡ ¸¸Á·ÇÒ ¸¸Å­ Àç¹ßÀ» ¿¹ÃøÇÏÁö ¸øÇÑ´Ù°í »ý°¢ÇÑ´Ù.
µû¶ó¼­ ÀÓ»óÀû ÀÎÀÚ(Á¾¾çÀÇ Å©±â ¹× ¼ö), Á¶Á÷ÇÐÀû ÀÎÀÚ(Á¾¾çº´±â, ¼¼Æ÷ºÐÈ­µµ, »óÇdz»¾Ï
(CFS)ÀÇ µ¿¹Ý À¯¹«)¿Í ºÐÀÚ»ý¹°ÇÐÀû ÀÎÀÚÀÎ p53 µî ±âÁ¸ÀÇ ¿¹ÈÄ ¿¹ÃøÀÎÀÚµéÀÌ ¿©·¯ °¡Áö
Ư¼ºÀ» °¡Áø ¹æ±¤¾ÏÀÇ ¿¹ÈÄ¿Í °ü°è ÀÖ´Ù´Â °á°ú¿¡ ±âÃÊÇÏ¿© ÀÌµé ¿¹ÈÄ ¿¹ÃøÀÎÀڵ鿡 ÀûÀýÇÑ
°¡ÁõÄ¡¸¦ ºÎ¿©ÇÏ¿© ȯ»êÇÑ Á¡¼ö¸¦ Ç¥À缺¹æ±¤¾ÏÀÇ Àç¹ß°úÀÇ ¿¬°ü¼ºÀ» Á¶»çÇÏ¿© 'Àç¹ß¿¹ÃøÁ¡
¼öü°è'ÀÇ °¡´É¼º¿¡ ´ëÇØ ¿¬±¸ÇÏ¿´´Ù.

Purpose: Although the conventional clinical, histopathological, and moleculobiological
factors of bladder tumor provide a certain degree of stratification of tumor biological
potential, it is difficult to make an accurate and reliable prediction of tumor recurrence
with known prognostic factors due to tumor heterogeneity. So we attempted to devise a
scoring system reflecting various prognostic factors to predict tumor recurrence more
accurately in superficial bladder carcinoma.
Materials and Methods: We reviewed retrospectively the clinical records and
pathological specimens of 46 patients with superficial bladder cancer, who underwent
transurethral resection of bladder tumor and intravesical Bacillus Calmette-Guerin(BCG)
instillation between September, 1991 and December, 1996. The mean follow-up was 29
months. We examined the prognostic parameters such as tumor stage, grade, tumor with
or without CIS, size, number, p53 expression and investigated the relation between the
prognostic factors and the tumor recurrence. We assigned 1 and 2 for Ta and T1; 1 and
2 for tumor size (<3§¯ and ¡Ã3§¯); 1 and 2 for tumor number(¡Â2 and ¡Ã3); 1, 2 and 3
for grades (¥°, ¥± and ¥²); 2 if CIS Is found and 1 if not; 2 if p53 is expressed more
than 20% (strong positive) and 1 if p53 is not expressed or less than 20%(weakly
positive). We summed the points assigned to all categories for each patient, and
investigated tumor recurrence according to total points by the scoring system. We
corrected the scoring system by deleting the insignificant prognostic factors in this
study which was named the corrected scoring system. We recounted the points based
on it.
Results: Tumor recurred in 15 out of 46 patients(32.5%). Recurrence rate in patients
with p53(strong positive) and with p53(weakly positive) was 47.3 and 18.5%,
respectively(p<0.05). The recurrence rate of stage Ta and 71 was 40.0 and 30.6%
(p>0.05) and that of grades ¥°, ¥± and ¥² was 0, 20.8 and 55.6%(p<0.05), respectively.
The recurrence fats of patients with and without CIS was 52.9 and 26.9%(p<0.05),
respectively. The recurrence rate for patients with size of tumors ¡Ã3§¯ and <3§¯ was
50 and 26.5%, respectively(p>0.05). Patients with number of tumors ¡Â2(22.6%) have a
lower recurrence rate than those with tumors¡Ã3(53.3%)(p<0.05). p53 expression, high
grade, tumor with CIS and number(¡Ã3) were considered as prognostic factors that
affected the recurrence.
For patients with summed points 4 to 9 based on the corrected scoring system, the
recurrence rate was zero%(0/16) in patients with lower score(4 or 5), 31.8%(8/21) in
those with intermediate score(6 or 7), and 77.8%(7/9) in those with higher score(8 or
9)(lower and intermediate score vs higher score: p<0.005).
Conclusions: The results suggested that this scoring system reflecting various
prognostic factors can be a reliable method predicting the tumor recurrence. This
scoring system awaits its application to more cases of bladder tumor and its refinement,
if necessary.

Å°¿öµå

Scoring system; Prognostic factors; Recurrence; Superficial bladder cancer;

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