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½Äµµ¾ÏÀÇ ¼ö¼ú ÈÄ ¹æ»ç¼± Ä¡·á; ½ÇÆÐ ¾ç»ó ºÐ¼® Post-operative Radiation Therapy for Esophageal Cancer ; Analysis of Failure Pattern

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Abstract

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¼ö¼ú ÈÄ ¹æ»ç¼± Ä¡·á¿¡ ±âº» ÀÚ·á·Î È°¿ëÇÏ°íÀÚ ÇÑ´Ù.
´ë»ó ¹× ¹æ¹ý : 1988³â 1¿ùºÎÅÍ 1995³â 12¿ù±îÁö º»¿ø¿¡¼­ ¼ö¼úÀ» ½ÃÇà ÈÄ 40Gy ÀÌ»óÀÇ
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´Ù. ¼ö¼ú ÈÄ º´±â´Â ¥±A°¡ 26·Ê, ¥±B°¡ 4·Ê, ¥²°¡ 52·Ê ¿´À¸¸ç ¼ö¼úÈÄ º´¸®ÇÐ ¼Ò°ßÀ¸·Î Æí
Æò»óÇÇ¾Ï 77·Ê, Adenosquamous 3·Ê, ¼±¾Ï 2·Ê¿´´Ù. ¼ö¼ú ÈÄ ¿ÜºÎ ¹æ»ç¼± Ä¡·á·Î 41Gy¿¡¼­
64.8Gy(Áß°£ °ª 50.4Gy)¸¦ Á¶»çÇÏ¿´´Ù. 5·Ê¿¡¼­ PFC Ç×¾ÏÈ­Çпä¹ýÀ» ½ÃÇàÇÏ¿´´Ù.
°á °ú : ÃÑ È¯ÀÚÀÇ 2³â »ýÁ¸À² ¹× 2³â ±¹¼ÒÁ¦¾îÀ²Àº °¢°¢ 36.8% ¹× 30.4%À̸ç 5³â »ýÁ¸
À² ¹× 5³â ±¹¼ÒÁ¦¾îÀ²Àº °¢°¢ 9.3% ¹× 26.3%ÀÌ´Ù. ¼ö¼ú ÈÄ º´±â¿¡ µû¸¥ 2³â »ýÁ¸À²Àº ¥²A
°¡ 50.2%, ¥±B°¡ 0%, ¥²°¡ 23.3%À̾ú´Ù(p=0.004). 2³â ±¹¼ÒÁ¦¾îÀ²Àº ¥±A°¡ 49.2%, ¥±B°¡
56.6%, ¥²°¡ 24.7%(p=0.01) À̾ú´Ù. ÃßÀû±â°£Áß ÀüüȯÀÚÀÇ 73.2%ÀÎ 60·Ê¿¡¼­ Àç¹ßÀÌ °üÂû
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¿¹ÈÄÀÎÀÚ·Î Èí¿¬À¯¹« (p=0.02), T º´±â(p=0.0092), Nº´±â(p=0.0045)°¡ Åë°èÀûÀ¸·Î ÀÇ¹Ì ÀÖ¾ú
´Ù. ±¹¼ÒÁ¦¾îÀ²¿¡ °ü·ÃµÈ ¿¹ÈÄÀÎÀÚ·Î T º´±â(p=0.019), N º´±â(p=0.047)°¡ Åë°èÇÐÀûÀ¸·Î ÀÇ
¹Ì ÀÖ¾ú´Ù.
°á ·Ð : ¼ö¼ú ÈÄ ¹æ»ç¼±Ä¡·á¸¦ ½ÃÇàÇÏ¿©µµ ±¹¼Ò½ÇÆа¡ ¿©ÀüÈ÷ Áß¿ä ½ÇÆÐ ¿øÀÎÀ̾ú´Ù. ±¹¼Ò
½ÇÆÐÀÇ ¿øÀÎ Áß ½Äµµ ÁÖÀ§ ÀÓÆÄÀý¿¡ ÀÇÇÑ ½ÇÆа¡ ¿ø¹ß º´¼Ò ½ÇÆк¸´Ù ÈÙ¾À ³ô¾Ò´Ù. µû¶ó¼­
¼ö¼úÈÄ ¹æ»ç¼±Ä¡·á¿¡¼­ ¸²ÇÁÀý¿¡ ´ëÇÑ ÀûÀýÇÏ°í Àû±ØÀûÀÎ Ä¡·á Àü·«ÀÌ ÇÊ¿äÇÏ°Ú´Ù.

Purpose : This study evaluated the survival, local control, prognostic factor, and
failure pattern of patients with esophageal cancer treated with operation and adjuvant
radiation therapy to use as fundermental data of postoperative radiation therapy.
Materials and Methods : A retrospective analysis was undertaken of 82 patients who
had locally advanced esophageal cancer treated with operation and adjuvant radiation
therapy from January 1988 to December 1995. According to AJCC staging, stage ¥±A
were in 26 patients, stage ¥±B in 4 patients. and stage ¥² in 52 patients. Squamous cell
carcinoma were in 77 patients, adenosquamous carcinoma in 3 patients, and
adenocarcinoma in 2 patients. The patients received radiation therapy ranging from
41.0Gy to 64.8 Gy. Five patients received neoadjuvant chemotherapy.
Results : Two-year survival and local control rates for all patients were 36.8% and
30.4% respectively. And they were 9.3% and 26.3% respectively at 5 years. According to
stages, 2-rear survival rates were 50.2% in ¥±A, 0% in ¥±B and 23.3% in ¥² (p=0.004).
Two-year local control rates were 49.2 % in ¥±A 66.6% in ¥±B and 24.7% in ¥²
(p=0.01). Sixty patients developed recurrence. which were 3 tumor margin, 23 lymph
node recurrence, 4 tumor margin and lymph node, 1 tumor margin and distant
metastasis, 9 lymph node and distant metastasis, 17 distant metastasis and 3 unknown
metastatic site. Prognostic factors affecting survival were smoking (p=0.02), T-staging
(p= 0.0092), N-staging (p= 0.0045). Prognostic factors affecting local control were
T-staging (p=0.019), N-staging (p= 0.047).
Conclusion : In spite of post-operative radiation therapy, predominant failure pattern
was local failure. Especially regional lymph node failure was major cause of local failure.
So strategy of aggresive adjuvant radiation therapy to regional lymph node area in post
operative treatment should be proposed.

Å°¿öµå

Esophageal cancer; Operation; Radiation Therapy; Failure pattern;

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