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김건욱(Kuhn Uk Kim),조미연(Mee Yon Cho),조남천(Nam Cheon Cho),윤광수(Kwang Soo Yoon),김대성(Dae Sung Kim),노병선(Byoung Seon Rhoe) 대한소화기학회 1994 대한소화기학회지 Vol.26 No.5
Adenosquamous carcinoma of the pancreas has a mixture of adenocarcinoma and squamous cell carcinoma components and is uncommon. We presents one case of adenosquamous carci- noma of the pancreas in old man aged 76. His chief cornplains were intermittent abdorninal discomfort and pain. Physical examination revealed huge abdominal mass in left upper quad- rant abdomen. All laboratory data were not significant. Abdominal ultrasonography and CT scan revealed a well demarcated cystic and solid mass which was located at the tail of the pancreas. Successful resection of the tumor by splenectomy, total gastrectomy and segmental resection of transverse colon were carried out. Cut section of the resected specimen reveals a huge cyst locating between the serosal surface of the stomach and pancreas and an oval round solid mass with infiltrating margin of the distal pancreas. Histopathologically, the tumor was composed of adenocarcinorna, well differentiated squamous cell carcinoma and anaplastic car- cinoma with transition areas. The cyst was partly lined by mesothelial cells and poorly differentiated squamous cell carcinoma. The patient was discharged without specific prob- lem. But he died 6 months after operation.(Korean J Gastroenterol 1994; 26: 885 891)
유수영(Soo Young Yoo),김건욱(Kuhn Uk Kim),조미연(Mee Yon Cho) 대한소화기학회 1993 대한소화기학회지 Vol.25 No.6
Infantile hemangioendothelioma of the liver is an uncomrnon tumor, either solitary or multicentric. Congestive heart failure is commonly associated with the tumor because the vascular lesions can act as arteriovenous fistula. The patient with multicentric lesions usually presents in infancy with hepatomegaly and high output congestive heart failure. Scilitary hepatic hemangioendothelioma has better prognosis because of lower incidence of congestive heart failure. Computerized tomography and arteriography are diagnostic. A variety of approaches to treatment including resection, radiation, steroid therapy, hepatic artery ligation and embolization have been tried, but those treatments were not uniformly successful. We report two infants with solitary hepatic hemangioendothelioma completely resected. The only symptom of the tumor was a palpable mass felt shortly after birth. Fortunately, both patients had tumors well localized in the left lobe of the liver. I.eft hepatic lobectomy was performed in both cases without serious morbidity
김현식(Hyun Shig Kim),조경아(Kyung A Cho),황도연(Do Yean Hwang),김건욱(Kuhn Uk Kim),강용원(Yong Won Kang),박원갑(Weon Kap Park),윤서구(Seo Gue Yoon),이광렬(Kwang Real Lee),이종균(Jong Kyun Lee),이중달(Jung Dal Lee),김광연(Kwang Yun K 대한소화기학회 2000 대한소화기학회지 Vol.36 No.3
Granular cell tumor is rare and is thought to originate from neurogenic cells. The tumor rarely occurs in the colon and its occurrence in the appendix is extremely rare. We report a case of granular cell tumor developed in the appendix for the first time in Korea. The tumor was discovered incidentally during colonoscopy and removed by using an endoscopic polypectomy. The expression of S-100 protein and lack of desmin represent that the tumor is relatd with Schwann cell originally. (Kor J Gastroenterol 2000;36:404 - 407)
이종균,임석원,김건욱,김현식,이광렬,박원갑,유정준 대한소화기내시경학회 1998 Clinical Endoscopy Vol.18 No.4
Background/Aims: A villous tumor, histologically villous or tubulovillous adenoma, is a clinical challenge because of its higher potential for malignancy and higher recurrence rate. However, information and experience with these tumors in the Korean people is still lacking. For that reason, we designed this study to review and analyze the colonoscopic features, the potential for malignancy, and the treatiment with respect to the confirmation of guidelines for the accurate diagnosis and reasonable management of such tumors in the Korean population. Materials and Methods: We performed 753 polypectomies, including 4 transanal excisions and several bowel resections, from January 1996 to May 1997 at Song-Do Colorectal Hospital in Seoul, Among them, 447 cases (59.4%) were adenomas, comprising 405 (53.8%) tubular adenomas, 31 (4.1%) tubulovillous adenomas, and 11 (1.5%) villous adenomas. We analyzed the 42 (5.6%) tubulovillous and villous adenomas. Results: The most common age group involved those aged in their 60's. The male-to-female ratio was 1.5 : 1. The most common symptom was rectal bleeding. The majority of villous tumors were over 1 cm in size. Over ninety percent of the lesions were located in the rectum and sigmoid colon. Pedun.culated and subpedunculated lesions were seen in 81% of the 42 cases. The overall potential for malignancy was 26.2% ; 36.4% (4/11) involved villous adenomas and 22.6% (7/31) tubulovillous adenomas. The rnalignancy potential of lesions between 1 cm and 2 cm was 23.8% (5/21) and that of those between 3 cm and 4 cm was 44.4% (4/9). Most of the pedunculated polyps (94.1%) were between 1 cm and 3 cm. Forty-three percent (3/7) of the sessile lesions were over 3 cm. The potelttial for maiignancy of the pedunculated polyps was 17.61 (3/17), the subpedunculated polyps 23.5% (4/17), and the sessile lesions 42.9% (3/7). The most common endoscopic features were lobulation and redness. Characteristic features which suggested malignancy were nodules, hardness, and depression. Endascopic features other than lobulatians aid redness were noticed in the lesions over i cm in size. Endoseopic removal was possible in 37 (88.1%) of the 42 cases. Another 4 cases of the lower rectal lesions were treated by a transanal excision and another ode by surgical resection. Three recurrences wire recognized one to five months after removal of the lesions. Carnclusions: When a 2- to 3-cm-sized, or larger, sessile villous tumor with a nodule, hardness and/or a depression is encountered, careful evaluation is mandatory because of its higher potential for malignancy and recurrence. Endoscopic removal should be the first choice for treatment of colorectal villous tumors, except for lower rectal lesion. Moreover, we suggest that follow-up surveillance be done at 2 to 6 month intervals during the first year after removal of the lesions.