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À¯¹æ¾Ï¿¡¼­ Á¾¾çÁÖº¯ ¸²ÇÁ°ü ħÀ±ÀÇ ¿¹ÈÄ ÀÎÀڷμ­ÀÇ ÀÇÀÇ Prognostic Significance of Peritumoral Lymphatic Vessel Invasion in Breast Cancer

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Abstract

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ÀÌ µ¶¸³ÀûÀ¸·Î ¿¹Èĸ¦ ¿¹ÃøÇÒ ¼ö ÀÖ´Â Áö¿¡ ´ëÇؼ­´Â ¾ÆÁ÷ ³í¶õÀÇ ¼ÒÁö°¡ ¸¹´Ù. µû¶ó¼­ À¯
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ÀÚ¸¦ ã¾Æ³»±â À§ÇÏ¿© ³ë·ÂÇÏ°í ÀÖ´Ù. ÃÖ±Ù Á¾¾çÁÖº¯ÀÇ ¸²ÇÁ°ü ħÀ±(peritumoral lymphatic
vessel invasion: PLVI)ÀÌ ¾ç¼ºÀÎ °æ¿ì ´Ù¸¥ °íÇü¾Ï Áï, À§¾Ï(4) ´ëÀå¾Ï(5,6), ÀڱðæºÎ¾Ï¿¡¼­
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Á¾¾çÁÖº¯ÀÇ ¸²ÇÁ°ü ħÀ±°ú ±âÁ¸ ¿¹ÈÄ ÀÎÀÚµé°úÀÇ °ü°è¸¦ ¾Ë¾Æº¸°í Á¾¾çÁÖº¯ÀÇ ¸²ÇÁ°ü ħÀ±
°ú »ýÁ¸À²À» ºÐ¼®ÇÏ°í ¾Æ¿ï·¯ ±âÁ¸ÀÇ ¿¹ÈÄ ÀÎÀÚµé°ú »ýÁ¸À²µµ ºÐ¼®ÇÏ¿© ¿¹ÈÄ ¹× Àç¹ßÀÇ Áö
Ç¥·Î¼­ Á¾¾çÁÖº¯ÀÇ ¸²ÇÁ°ü ħÀ±ÀÌ µ¶¸³ÀûÀÎ °¡Ä¡°¡ ÀÖ´ÂÁö¸¦ ¾Ë¾Æº¸°íÀÚ ÇÏ¿´´Ù.

Purpose : The well-known prognostic factors for breast cancer, such as axillary lymph
node status, do not always account for the exact outcome. The development of other
accurate prognostic factors would help in assessing high risk for the disease recurrence
and death. Recently, there are reports that peritumoral lymphatic vessel invasion is a
good prognostic factor to solid tumors in animal studies and clinical trials. This study
was performed to estimate the significance of peritumoral lymphatic vessel invasion
(PLVI) as a prognostic factor in breast cancer. Also, PLVI was compared with
established clinicopathological prognostic factors and hormone receptors.
Materials and Methods : A group of patient was selected from the Department of
Surgery, College of Medicine, Hallym University, which consists of 43 out of 96 patients
who received curative operation from 1985 to 1993. Peritumoral lymphatic vessel invasion
by tumor cells on H&I stain was considered PLVI positive. We classified 43
breast-cancer patients into 32 with negative PLVI and 11 with positive PLVI. We
estimated the correlation between the PLVI and other established prognostic factors. We
also calculated survivals based on PLVI.
Result : The 4-years disease-free survival rate was 61.8¡¾8.7%, and the 4-year overall
survival rate was 73.0¡¾8.0%. The receptor status of estrogen and of progesterone had
significant impacts on survival (ER: p=0.0001, PR: p=0.0001). Also, metastasis status of
lymph node had significant impacts on overall survival (p=0.0148). We found a
significant correlation between PLVI and tumor size (p=0.004), estrogen receptor
(p=0.002), progesterone receptor (p=0.006), but could not find any significant correlation
between PLVI and menopausal status, histologic grade, nuclear grade, lymph node
metastasis. PLVI status was correlated with disease free survival rate (p=0.01) and
overall survival rate(p=0.01).
Conclusion : The determination of PLVI in breast cancer tissue may be useful as a
prognostic factor, but it is necessary to investigate the PLVI in a large number of
patients before this conclusion can be stated with certainty.

Å°¿öµå

Breast cancer; PLVI; Prognostic factor;

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