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50´ë ¿©¼º¿¡¼­ ¿ì¿¬È÷ ¹ß°ßµÈ Á¶±âÀ§¾Ï (singet ring cell carcinoma)¿Í duodenal GISTÀÔ´Ï´Ù. ÀÌ È¯ÀÚ¿¡¼­´Â µÎ ÁúȯÀÌ µ¿½Ã¿¡ ¹ß°ßµÇ¾ú±â ¶§¹®¿¡ ÇѹøÀÇ ¼ö¼ú·Î Ä¡·áÇÒ ¼ö ÀÖ¾ú½À´Ï´Ù.

¸¸¾à ½ÊÀÌÁöÀå º´¼Ò¸¸ ¹ß°ßÇÏ¿© ¼ö¼úÇÏ¿´´Ù¸é ¼ö³â³»¿¡ À§¾ÏÀ¸·Î ÀÎÇÏ¿© ¹«Ã´ Èûµç ¼ö¼úÀ» ÇÊ¿ä·Î ÇÏ´Â »óȲÀÌ µÇ¾úÀ» °ÍÀÔ´Ï´Ù. ÇÑ °³ÀÇ º´À» ¹ß°ßÇÏ¿´´Ù°í ÈïºÐÇÏÁö ¸»°í ´Ù¸¥ ºÎÀ§µµ ÀÚ¼¼È÷ °Ë»çÇØ¾ß ÇÔÀ» ¿õº¯ÀûÀ¸·Î º¸¿©ÁÖ´Â Áõ·ÊÀÔ´Ï´Ù. ÃÖÁ¾ º´¸®°á°ú´Â ¾Æ·¡¿Í °°¾Ò½À´Ï´Ù.

1. Early gastric cacner
- signet-ring cell carcinoma, diffuse, 1.6x1.3x0.2 cm
- Depth of invasion : extension to submucosa (sm3) (pT1b)
- Lymph node metastasis : no metastasis in 26 regional nodes

2. Gastrointestinal stromal tumor of low risk of aggressive behavior, duodenum:
- tumor size: 2.7x2 cm, mitosis: 0-1/50 HPF, histologic type: mixed
- necrosis: absent, cellularity: low, invasion into mucosa: present
- resection margin involvement: absent
- C-kit: Positive, CD34 : Negative, CD44 : Negative
- Ki-67: Positive in a few cells (< 1%)

2014. 6. 22. ÀÌÁØÇà