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[Thursday Endoscopy Conference 20170810]

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1. Rectal GIST

TEMÀ¸·Î Ä¡·áÇÏ¿´´ø rectal GISTÀÔ´Ï´Ù.


Rectum, trans-anal endoscopic microsurgery:
. Gastrointestinal stromal tumor of very low risk of malignant potential by proposed modification for adjuvant therapy (2008), none risk (0 %) of progressive disease by Miettinen (2006) :
1) tumor size: 1.4x1.2x0.4 cm
2) mitosis: 3/50 HPF (high powered fields)
3) histological type: spindle
4) necrosis: absent
5) cellularity: intermediate
6) cellular atypia: mild
7) invasion into mucosa: absent
8) resection margin involvement: absent
. Pho-H-H3: Positive in less than 5% of tumor cells
. C-kit : Positive
. DOG1 : Positive
. Ki-67: Negative
. PKC-¥È: Weakly positive

Á¦ Àü°øÀº ¾Æ´ÏÁö¸¸... ÀÌ·¸°Ô ÀÛÀº GIST´Â follow up ÇÏ¸é ¾î¶²°¡ »ý°¢ÇØ º¸¾Ò½À´Ï´Ù.


2. Actinomycosis

2014³â Áõ·ÊÀÔ´Ï´Ù. LUQ pain, hematochezia, weight loss 3~4kg/10days µîÀ¸·Î CT¸¦ ½ÃÇàÇÏ°í "colon(splenic flexure) wall thickening with omentum invasion ÀÖ¾î r/o colon ca, r/o metastatic cancer" ¼Ò°ßÀ¸·Î ÀǷڵǾú½À´Ï´Ù. ´ëÀå³»½Ã°æ°ú CT Æǵ¶À» ÇÏ¿´½À´Ï´Ù. CT Æǵ¶ÀÌ ¸Å¿ì ÈǸ¢Çß½À´Ï´Ù.

CT Æǵ¶: Left sideÀÇ gastrocolic ligament¸¦ µû¶ó¼­ irregular enhancing mass°¡ ÀÖÀ½. °æ°è°¡ ÁÁÁö ¾Ê¾Æ Å©±âÀÇ ÃøÁ¤¿¡ Á¦ÇÑÀÌ ÀÖÀ¸³ª 6 cm ÀÌ»óÀÇ extent¸¦ º¸ÀÓ. ÀÌ º´º¯Àº »ó¹æÀ¸·Î stomachÀÇ body greater curvature side¿Í ÇϹæÀ¸·Î´Â transverse colonÀÇ upper wall±îÁö extensionÇÏ°í ÀÖÀ½. InvolvementµÈ bowel wall thickeningÀÌ ÀÖÀ¸³ª ºñ±³Àû layeringÀÌ À¯ÁöµÇ°í ÀÖÀ½. ±×·¯³ª transverse colon¿¡¼­´Â focalÇÏ°Ô layeringÀÌ À¯ÁöµÇÁö ¾Ê´Â ºÎºÐÀÌ ÀǽɵÊ. Left side mesorectum¿¡ ¾à 3.3 cm sizeÀÇ enhancing mass°¡ ÀÖ°í ¿ª½Ã °æ°è°¡ ÁÁÁö ¾ÊÀ¸¸ç ÁÖº¯À¸·Î infiltrationÀ» µ¿¹ÝÇÏ°í ÀÖÀ½. RectumÀÇ left side wall°ú abuttingÇÏ°í ÀÖÀ¸¸ç ÀÎÁ¢ÇÑ rectal wall¿¡ wall thickeningÀÌ ÀÖ°í ¿ª½Ã layeringÀÌ À¯ÁöµÇ°í ÀÖÀ½. Pelvic cavity¿¡ ¼Ò·®ÀÇ fluid collectionÀÌ ÀÖÀ½. Uterus¿¡ IUD insertion stateÀÓ. º¹°­ ³» ÀǹÌÀÖ°Ô Ä¿Áø lymph node º¸ÀÌÁö ¾ÊÀ½. ±× ¿Ü liver¿Í spleen, pancreas, both kidneys¿¡ ƯÀÌ¼Ò°ß ¾øÀ½. GB¿¡ ƯÀÌ¼Ò°ß ¾ø°í biliary tree dilatation ¾øÀ½. Scan¿¡ Æ÷ÇÔµÈ basal lung°ú bone¿¡ ƯÀÌ¼Ò°ß ¾øÀ½.
CONCLUSION: Inflammatory lesion such as actinomycosis R/O Malignancy such as transverse colon cancer with peritoneal seeding.
RECOMMENDATION: Transrectal biopsy for mesorectal mass.

Transvaginal biopsy¸¦ ½ÃÇàÇÏ¿´°í ´ÙÀ½ÀÇ °á°ú¿´½À´Ï´Ù. Inflamed granulation tissue with abscess and dense fibrosis. Bacterial colony present, consistent with actinomycosis

Treatment: IV penicillin G


2017³â 3¿ù ³»½Ã°æÇÐȸ ±³À°ÀÚ·á°¡ º¹ºÎ ¹æ¼±±ÕÁõ (actinomycosis) À̾ú½À´Ï´Ù.

* EndoTODAY º¹ºÎ ¹æ»ê±ÕÁõ


3. Colon lymphoma

Cecum°ú proximal A colonÀÇ diverticulitis ¼Ò°ßÀ̳ª Áõ»ó, À§Ä¡°¡ correlation µÇÁö ¾Ê¾Æ further evaluation À§ÇÏ¿© °æ°ú°üÂû Áß ÀÇ·ÚµÈ ºÐÀÔ´Ï´Ù.

Áï½Ã ´ëÀå³»½Ã°æÀ» ´Ù½Ã ½ÃÇàÇÏ¿´°í diffuse large B cell lymphoma¸¦ Áø´ÜÇÏ¿´½À´Ï´Ù.

¿Ö óÀ½¿¡ CT ÀÌ»ó ¼Ò°ßÀÌ ÀÖÀ» ¶§ ´ëÀå³»½Ã°æÀ» ÇÏÁö ¾Ê¾ÒÀ»Áö °í¹ÎÇØ º¸¾Ò½À´Ï´Ù. Áõ»óÀÌ ¹ß»ýÇÏ¿© CT¸¦ ½ÃÇàÇϱâ 4°³¿ù Àü¿¡ screening colonoscopy¸¦ Çß¾ú±â ¶§¹®À¸·Î ÃßÁ¤µÇ¾ú½À´Ï´Ù. À§Àå°ü ¸²ÇÁÁ¾Àº »¡¸® ÀÚ¶ö ¼ö ÀÖÀ½À» º¸¿©ÁÖ´Â Áõ·Ê¶ó°í »ý°¢µË´Ï´Ù.

* Âü°í: EndoTODAY À§Àå°ü ¸²ÇÁÁ¾


4. Ampulla of Vater cancer


[References]

1) SMC Endoscopy Unit »ï¼º¼­¿ïº´¿ø ³»½Ã°æ½Ç

2) SMC Monday GI conference »ï¼º¼­¿ïº´¿ø ÀÏ¿ø³»½Ã°æ±³½Ç ¿ù¿äÁ¡½É¼ÒÈ­±âÁý´ãȸ

3) SMC Thursday endoscopy conference »ï¼º¼­¿ïº´¿ø ÀÏ¿ø³»½Ã°æ±³½Ç ¸ñ¿äÁ¡½É³»½Ã°æÁý´ãȸ

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