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Abstract

¸ñÀû: ź¼º ÃÊÀ½ÆÄ¿¡¼­ À¯¹æ¾ÏÀÇ Åº¼º Áö¼ö¿Í À¯¹æ¾ÏÀÇ ¿¹ÈÄ ¿¹ÃøÀÎÀÚ·Î ¾Ë·ÁÁø Á¶Á÷ÇÐÀû Ư¼º, ¸é¿ªÈ­ÇÐÀû ÀÎÀÚ, ºÐÀÚ ¾ÆÇü°úÀÇ °ü°è¸¦ ºñ±³ÇÏ¿©, ź¼º Áö¼ö°¡ À¯¹æ¾ÏÀÇ ¿¹Èĸ¦ ¿¹ÃøÇÒ ¼ö ÀÖ´ÂÁö ¾Ë¾Æº¸°íÀÚ ÇÑ´Ù.

´ë»ó°ú ¹æ¹ý: 123¸í(Æò±Õ ¿¬·É, 53.4¼¼; ¿¬·É ¹üÀ§ 28~82¼¼)ÀÇ Ä§½À¼º À¯°ü¾Ï(Æò±Õ Å©±â, 1.54 cm; Å©±â ¹üÀ§, 0.4~7.0 cm) ȯÀÚ¸¦ ´ë»óÀ¸·Î B-¸ðµå ÃÊÀ½ÆÄ¿Í Åº¼º ÃÊÀ½Æĸ¦ ½ÃÇàÇÏ¿´´Ù. °¢ À¯¹æ¾ÏÀÇ Á¶Á÷ÇÐÀû µî±Þ, ¸²ÇÁÀý ÀüÀÌ, ¸²ÇÁ°ü Ç÷°ü°­ ħ½À, ¸é¿ªÈ­ÇÐÀû »ýüǥÁöÀÚ(¿¡½ºÆ®·Î°Õ ¼ö¿ëü, ÇÁ·Î°Ô½ºÅ×·Ð ¼ö¿ëü, Àΰ£ Ç¥ÇǼºÀåÀÎÀÚ¼ö¿ëü 2, CK5/6, Ç¥ÇǼºÀåÀÎÀÚ ¼ö¿ëü, Ki-67) ±×¸®°í ºÐÀÚ¾ÆÇü(luminalÇü, HER2 °ú¹ßÇöÇü, »ïÁßÀ½¼ºÇü) µîÀ» ¼ö¼ú ÈÄ º´¸®º¸°í¼­¸¦ ÅëÇØ ºÐ·ùÇÏ¿´´Ù. ÀÌ °á°ú¿Í À¯¹æ¾ÏÀÇ Åº¼º Áö¼öÀÇ °ü°è¸¦ Æò°¡ÇÏ¿´´Ù.

°á°ú: ¸²ÇÁÀý ÀüÀÌ°¡ ÀÖ´Â °æ¿ì Åë°èÀûÀ¸·Î À¯ÀǹÌÇÑ ³ôÀº ź¼º Áö¼ö¸¦ º¸¿´´Ù. Åë°èÀûÀ¸·Î À¯ÀǹÌÇÏÁö´Â ¾Ê¾ÒÁö¸¸, Á¾¾çÀÌ Å©°í, ¸²ÇÁ°ü Ç÷°ü°­ ħ½ÀÀÌ ÀÖÀ»¼ö·Ï ź¼º Áö¼ö´Â Áõ°¡ÇÏ°í, Á¶Á÷ÇÐÀû µî±ÞÀÌ ³·À»¼ö·Ï ź¼º Áö¼ö´Â ³·¾Ò´Ù. À¯¹æ¾ÏÀÇ ºÐÀÚ ¾ÆÇü Áß¿¡´Â HER2 °ú¹ßÇöÇüÀÌ ´Ù¸¥ ¾ÆÇüº¸´Ù ³·Àº ź¼º Áö¼ö¸¦ º¸¿´´Ù.

°á·Ð: ħÀ±¼º À¯°ü¾ÏÀÇ ¸²ÇÁÀý ÀüÀÌ°¡ ÀÖ´Â °æ¿ì Åë°èÀûÀ¸·Î À¯ÀÇÇÑ ³ôÀº ź¼º Áö¼ö¸¦ º¸ÀÌ°í, ´Ù¸¥ ¿¹ÈÄ ¿¹Ãø ÀÎÀÚÀÎ Á¶Á÷ÇÐÀû Ư¼º, ¸é¿ªÈ­ÇÐÀû ÀÎÀÚ, ºÐÀÚ ¾ÆÇüÀº ź¼º Áö¼ö¿Í Åë°èÀûÀ¸·Î À¯ÀÇÇÑ ¿¬°ü¼ºÀÌ ¾ø¾ú´Ù.

Purpose: To investigate the correlation of the strain elasticity of breast cancer with histologic features, immunohistochemical markers and molecular subtypes that are known to be factors related to prognosis.

Materials and Methods: B-mode ultrasound and strain elastography were performed in 123 patients (mean age, 53.4; range, 28?82) with invasive ductal carcinoma (IDC) (mean size, 1.54 cm; range, 0.4?7.0 cm). Histologic grade, lymph node (LN) status, lymphovascular invasion, immunohistochemical biomarkers [estrogen receptor, progesterone receptor, human epidermal growth factor receptor 2 (HER2), CK5/6, epidermal growth factor receptor, and Ki-67] and molecular subtypes were determined from surgical pathology reports. The relationships between these factors and elasticity scores were evaluated.

Results: LN involvement was associated with a higher elasticity score which was statistically significant (p = 0.042). The tumor size, lymphovascular invasion, histologic grades, immunohistochemical markers and molecular subtypes had no significant correlation with the elasticity score (p > 0.05 for all). However, the IDCs with larger size and a positive lymphovascular invasion tended to have higher elasticity scores. Furthermore, higher histologic grade cancers and the HER2 overexpression-type tended to have lower elasticity scores.

Conclusion: The elasticity score of IDC had a significant correlation with LN involvement but no statistically significant correlation with the histologic features, immunohistochemical markers or molecular subtypes.

Å°¿öµå

Breast Neoplasms; Ultrasound; Elastography; Immunohistochemistry; Prognosis

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