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[SmallTODAY 013 - Duodenal invasion of the pancreas cancer] - ðû

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ÃéÀå¾ÏÀÇ ½ÊÀÌÁöÀå ħ¹üÀº ´Ù¾çÇÑ ¸ð¾çÀ» º¸ÀÏ ¼ö ÀÖ½À´Ï´Ù.

ºóÇ÷°ú º¹ÅëÀÌ ÀÖ¾î ½ÃÇàÇÑ initial workup¿¡¼­ ¹ß°ßµÈ °æ¿ìÀÔ´Ï´Ù. ÀÌÈÄ °ð obstruction Áõ»óÀ» ÀÏÀ¸Ä×½À´Ï´Ù.

PancreasÀÇ mucinous adenocarcinoma°¡ ½ÊÀÌÁöÀå º®À» ħ¹üÇÑ ¿¹ÀÔ´Ï´Ù. ÀÌ Áõ·Ê´Â villousÇÑ ¸ð¾çÀÌ Æ¯Â¡À̾ú½À´Ï´Ù.

ÃéÀå¾ÏÀÌ ½ÊÀÌÁöÀåÀ» ħ¹üÇÏ¿© ½ÉÇÑ obstruction Áõ»óÀ» ÀÏÀ¸Å² ¿¹ÀÔ´Ï´Ù. ½Äµµ¿¡ ¸Å¿ì ÀÌ»óÇÑ ¸ð¾çÀÇ reticularÇÑ ¾ç»óÀ¸·Î ½Äµµ¿°ÀÌ ¹ß»ýÇÏ¿´½À´Ï´Ù. Obstruction¿¡ ÀÇÇÏ¿© ¹ß»ýÇÑ ½Äµµ¿°Àº GERD¿¡¼­ º¸ÀÌ´Â ¿ª·ù¼º ½Äµµ¿°°ú´Â ÀüÇô ´Ù¸¥ ¸ð¾çÀÔ´Ï´Ù. CT¿¡¼­ À§°¡ ½ÉÇÏ°Ô ´Ã¾î³ª¸é¼­ Ãà óÁ® ÀÖ´Â °ÍÀÌ Àß º¸ÀÔ´Ï´Ù. È­»ìÇ¥´Â ÃéÀå¾ÏÀÔ´Ï´Ù.

Multiple liver metastasis¸¦ º¸¿´´ø ÃéÀåÀÇ non-functioning neuroendocrine tumor ȯÀÚÀÇ ³»½Ã°æÀÔ´Ï´Ù. ½ÊÀÌÁöÀå Á¦ 3ºÎ·Î direct invasion ¼Ò°ßÀÌ °üÂûµÇ¾ú½À´Ï´Ù.

ÃâÇ÷À» º¸ÀÎ ÃéÀå¾Ï ½ÊÀÌÁöÀå ħÀ±


[Case in depth]

10ÀÏ°£ÀÇ ¼ÒÈ­ºÒ·®À¸·Î ¿ÜºÎ¿¡¼­ ³»½Ã°æ °Ë»ç ÈÄ '½ÊÀÌÁöÀåÀÇ ¾Ç¼º½Å»ý¹°'À̶ó´Â ¼Ò°ß¼­¸¦ °¡Áö°í ¹æ¹®ÇÑ È¯ÀÚÀÔ´Ï´Ù.

ÀÏ°ß Ampulla of Vater cancer·Î »ý°¢µÇ¾úÀ¸³ª CT °Ë»ç ÈÄ pancreas cancer with duodenal invasionÀ¸·Î Áø´ÜÇÒ ¼ö ÀÖ¾ú½À´Ï´Ù.

PANCREAS HEAD CANCER (PDAC)

II. Histopathologic Diagnosis
(1) Histologic type: ductal adenocarcinoma
(2) Histologic Grade: G2 (moderately differentiated)
(3) Tumor size: 4.8x3.5 cm (microscopic measurement)
(4) T3: Tumor extends beyond the pancreas but without involvement of the celiac axis or the superior mesenteric artery
(5) Extension into common bile duct (absent), duodenum (present), peripancreatic (retroperitoneal) soft tissue (present) {T3 in JPS}
(6) N1: Regional lymph node metastasis (12/25)
(7) cM0: Clinically No distant Metastasis
(8) Involvement of superior mesenteric vein: present (tumor invasion into vessel intima) [I]
(9) Margin status
- SMA side margin: negative but very close (safety margin: 200 §­)[K]
- Portal vein side margin: negative but very close (safety margin: 500 §­)[I]
- Pancreas neck margin: negative (safety margin: 2.4 cm)
(10) Perineural and neural invasion: present
(11) Lymphovascular invasion: present

[Additional note]
(1) Proportion: well to moderately (75 %) / poorly (25 %) differentiated
(2) Tumor Pattern Score (PS): 5(2+3)
(3) Mucoepidermoid-like feature: absent
(4) Stromal reaction: desmoplasia (2) / inflammation (2) / myxoid degeneration (0)
(5) Tumor necrosis: absent
(6) Nuclear pleomorphism: moderate
(7) Mucin production: irregular
(8) Chronic cholecystitis, autolysis
(9) ICD code (ICD-O): M8500PDAC
(10) Tumor Regression grade: Not applicable

[rR1]: grossly negative but microscopically positive resection margins due to very close to retroperitoneal(portal vein /SMA side margin)

AJCC stage (2010, 7th ed) Stage IIB T3 N1 M0


°Ç°­°ËÁø ³»½Ã°æ¿¡¼­ ¿ì¿¬È÷ ¹ß°ßµÈ ½ÊÀÌÁöÀå Á¦1ºÎ - Á¦2ºÎ »çÀÌÀÇ ÇùÂøÀ¸·Î ÃéÀå¾Ï ½ÊÀÌÁöÀå ħÀ± Áø´Ü

ù °ËÁø ³»½Ã°æ

ÀÇ·Ú ÈÄ Àç°Ë

Pancreas ductal adenocarcinoma (G2) with duodenal invasion


[References]

1) EsoTODAY - ½ÊÀÌÁöÀåÁúȯ Áõ·ÊÅäÀÇ

2) SmallTODAY - ¼ÒÀåÁúȯ Áõ·ÊÅäÀÇ

3) ColonTODAY - ´ëÀåÁúȯ Áõ·ÊÅäÀÇ

4) Dr. Sinn's LiverTODAY - °£Áúȯ Áõ·ÊÅäÀÇ

5) Pathology of pancreatic cancer Transl Gastroenterol Hepatol 2019; 4: 50

6) Pathology of normal pancreas

7) Pathology of pancreatic cancer

© ÀÏ¿ø³»½Ã°æ±³½Ç ¹Ù¸¥³»½Ã°æ¿¬±¸¼Ò ÀÌÁØÇà. EndoTODAY Endoscopy Learning Center. Lee Jun Haeng.