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권영오(Young Oh Kweon),박재용(Jae Yong Park),김은영(Eun Young Kim),김호각(Ho Gak Kim),이관호(Kwan Ho Lee),곽규식(Kyu Sik Kwak),최용환(Young Hwan Choi),정준모(Joon Mo Chung),김용주(Yong Joo Kim) 대한내과학회 1988 대한내과학회지 Vol.35 No.6
N/A TAE is now a well-known easy, safe therapeutic modality in unresectable hepatocellular carcinoma. To evaluate the therapeutic effect of TAE in patients with hepatocellular carcinoma, we analysed 159 cases of hepatocellular carcinoma for survival and tumor detection rates according to diagnostic modalities and causes of death concurrently, The patients were divided into two groups, ie TAE treated group and non-TAE group. The results obtained were as follows: 1) The TAE group had a greater number of survivals than the non-TAE group and also the cumulative survival rate till 18 months was significantly higher. 2) The cumulative survival rate from 4 to 18 months was significantly higher in encapsulated hepatoma than diffuse hepatoma in patients who underwent TAE. 3) A declining AFP level was shown in 6 out of 13 cases who underwent TAE, and also tumor size was decreased in 8 out of 13 cases. These results suggest that TAE is an effective and useful therapeutic modality in treating and prolonging the survival of patients with unresectable hepatocellular carcinoma.
위 또는 식도 정맥류 출혈에 대한 경내경정맥 간내문맥간정맥 단락술후 생존율에 영향을 미치는 인자
김영탁 ( Young Tak Kim ),탁원영 ( Won Young Tak ),권영오 ( Young Oh Kweon ),김성국 ( Sung Kook Kim ),최용환 ( Yong Hwan Choi ),정준모 ( Joon Mo Chung ) 대한소화기학회 2002 대한소화기학회 춘계학술대회 Vol.2002 No.-
<목적> 위 및 식도 정맥류출혈의 치료방법 중 하나로 알려져 있는 경내경정맥 간내문맥간정맥 단락술(TIPS) 후 생존율 및 재출혈율에 영향을 미치는 인자를 조사하는 데 목적이 있다. <방법> 1991년 9월부터 2001년 3월 사이에 간경변증에 의한 식도 및 위 정맥류 출혈로 본원에 내원하여 내시경을 이용한 고무밴드 결찰술 등의 다른 치료 방법이 효과적이지 못하던지 또는 시술상 어려움이 있어서 TIPS를 시행한 155예를 최고 약 8년 10개월간 추적관
박영대 ( Young Dae Park ),정윤진 ( Yun Jin Chung ),전성우 ( Seong Woo Jeon ),조창민 ( Chang Min Cho ),탁원영 ( Won Young Tak ),권영오 ( Young Oh Kweon ),김성국 ( Sung Kook Kim ),최용환 ( Yong Hwan Choi ) 대한소화기학회 2007 대한소화기학회지 Vol.49 No.3
관강 내 십이지장 게실(intraluminal duodenal diverticulum, IDD)은 십이지장 제2부 내에 주머니 모양의 가로막을 가지는 드문 선천 이상이다. 환자는 무증상인 경우도 있으나, 반복적인 복통, 급성 췌장염 및 위장관 출혈을 동반할 수 있다. 저자 등은 급성췌장염과 위장관 출혈을 나타낸 IDD 1예를 경험하였다. 진단은 상부위장관조영술과 관상면 재구성 CT 영상에서 IDD의 특징적인 형태를 확인하여 진단하였다. 증상이 있는 IDD는 일반적으로 수술 절제를 일차적으로 고려하나, 이번 증례에서는 내시경을 이용하여 침형 절개도로 IDD 개구부를 절개한 후 박리 올가미를 이용한 결찰술을 시행하여 성공적인 결과를 얻었다. An intraluminal duodenal diverticulum (IDD) is a rare congenital anomaly consisted of a sac-like mucosal projection within the second portion of the duodenum. Even though most of cases are asymptomatic, patients may develop recurrent abdominal pain, pancreatitis, and gastrointestinal bleeding. We report a case of symptomatic IDD which presented as acute pancreatitis and obscure gastrointestinal bleeding. Diagnosis was made by typical findings of upper GI series and coronal reformatted CT images. Although surgical resection is the treatment of choice, endoscopic incision and ligation with detachable snare was performed which led to a good result. (Korean J Gastroenterol 2007;49:177-182)
이창형(Chang Hyeong Lee),권영오(Young Oh Kweon),김성국(Sung Kook Kim),최용환(Yong Hwan Choi),정준모(Joon Mo Chung) 대한소화기학회 1996 대한소화기학회지 Vol.28 No.1
N/A Background/Aims: There have been some studies concerning prognostic factors in hepatocellular carcinoma (HCC) patients undergoing transcatheter arterial embolization (TAE), but they reported different prognostic factors from each other. The aim of this study was to re-evaluate the prognostic factors in those patients. Methods: Eighty eight patients with HCC who had undergone TAE (TAE with gelfoam embolization or without embolization) were analyzed retrospectively. Results: The overall cumulative survival rates at 6,12,18,24,30,36 months were 69.9%, 56.3%, 52.7%, 41.9%, 30.9%, and 26.5%, respectively. According to univariated analysis (log-rank test), variables significantly associated with survival were tumor size, tumor type, Anti-HCV Ab, serum AST, mode of TAE (with or without gelfoam embolization), serum ALP, ascites, Childs classification, serum AFP level, serum total bilirubin, and portal vein thrombosis. Multivariated analysis (cox regression model) for significant variables in univariated analysis revealed that tumor size is statistically significant (p =0.05). Conclusions: These findings suggest that tumor size is a significant and independent prognostic factor in patients with hepatocellular carcinoma undergoing transcatheter arterial embolization. (Korean J Gastroenterol 1996;28: 57 - 65)
식도기관지누공 환자에서 실리콘 피막형 인공식도관을 이용한 보존적 치료
이창형(Chang Hyeong Lee),권영오(Young Oh Kweon),김성국(Sung Kook Kim),최용환(Yong Hwan Choi),정준모(Joon Mo Chung) 대한내과학회 1998 대한내과학회지 Vol.54 No.1
Background: Implantation of esophageal stents is nowadays considered as the method of choice for the management of esophagorespiratory fistula. However, implantation of conventional plastic prosthesis is inconvenient for the patient and associated with relatively high mortality and complicaitons. Silicone coated self expandable metal stents have been developed to overcome these limitations of plastic tubes. And then, the efficacy of siliconecoated self expandable metal stents in esophagorespiratory fistulas was investigated. Methods: Six patients with esophagorespiratory fistulas were treated with silicone-coated self expandable metal stents(Song's esophageal stents). All six patients were unable to swallow food or water before treatment due to aspiration via esophagorespiratory fistula. The stents were inserted under endoscopic and fluoroscopic guidence. Clinical improvement was determined by grading food intake capacity on five-point scale none, liquid, soft food, solid food, or all food. Results: The stents were successfully inserted in all patients. All stents spontaneously showed sufficient expansion without further endoscopic control. After procedure, all fistulas were sealed and symptoms due to bronchial aspiration were disappeared. Dysphagia improved by at least two grades in 5 of the 6 patients(83.3%). One patient died due to massive hemoptysis 11 days after stent placement, which could be regarded as a complication, Retro-sternal and epigastric pain were observed in three patients. In the follow-up, tumor overgrowth at the end of the stent was found in one patient, who was retreated with implantation of another stent. Conclusion: These results suggest that implantation of silicone-coated self expandable metal stents is a rapid, and effective procedure for the palliative treatment of malignant esophagorespiratory fistulas and other cause of esophagorespiratory fistula.
간세포암종의 고주파 열 치료 후 발생한 장-농양 누공에 대해 Histoacryl 색전술로 성공적으로 치료한
김지연 ( Ji Yeon Kim ),권용환 ( Young Hwan Kwon ),이상직 ( Sang Jik Lee ),장세영 ( Se Young Jang ),양해민 ( Hae Min Yang ),전성우 ( Seong Woo Jeon ),권영오 ( Young Oh Kweon ) 대한소화기학회 2011 대한소화기학회지 Vol.58 No.5
Hepatocellular carcinoma (HCC) is one of the most common malignant neoplasms occuring worldwide. Although surgical resection still remains the treatment of choice for HCC, radiofrequency ablation (RFA) has emerged as reliable alternatives to resection. It is less invasive and can be repeated after short intervals for sequential ablation in case of multiple lesions. The most common complication of RFA is liver abscess, and bile duct injury such as bile duct stricture has been reported. This is a case report of a rare complication of abscesso-colonic fistula after RFA for HCC. The case was treated by percutaneous abscess drainage and antibiotics and occlusion of abscesso-colonic fistula with n-butyl-2-cyanoacrylate embolization. (Korean J Gastroenterol 2011;58:270-274)
직장암 치료로 Oxaliplatin 항암화학 요법 후 문맥압 항진증으로 진단된
허준 ( Jun Heo ),신근영 ( Keun Young Shin ),권용환 ( Yong Hwan Kwon ),박수영 ( Soo Young Park ),정민규 ( Min Kyu Jung ),조창민 ( Chang Min Cho ),탁원영 ( Won Young Tak ),권영오 ( Young Oh Kweon ) 대한소화기학회 2011 대한소화기학회지 Vol.57 No.4
We report herein a case of 35-years-old woman in whom portal hypertension (esophageal varix and splenomegaly) developed after 12 cycles of oxaliplatin based adjuvant chemotherapy for rectal cancer. She was transferred for the evaluation of etiology of new-onset portal hypertension. The esophageal varix and splenomegaly were absent before the oxaliplatin based adjuvant chemotherapy. Thorough history taking and serological exam revealed no evidence of chronic liver disease. Liver biopsy was done and there was no cirrhotic nodule formation. Instead, perivenular fibrosis was noted. Considering new development of esophageal varices and splenomegaly after 12 cycles of oxaliplatin-based adjuvant chemotherapy, we could conclude that portal hypertension in this patient were due to sinusoidal injury by oxaliplatin. Finally, we recommend regular follow-up with endoscopy and radiologic examination for checking the development of varices and for screening of varices and splenomegaly in patients with colo-rectal cancer who receive oxaliplatin-based chemotherapy. (Korean J Gastroenterol 2011;57:253-257)
경피 경정맥 간내 문맥전신성 단락술로 치료한 췌장의 동정맥 기형에 의한 간문맥 고혈압
현동우 ( Dong Woo Hyun ),박수영 ( Soo Young Park ),박진형 ( Jin Hyung Park ),박창근 ( Chang Kun Park ),윤영미 ( Young Mi Yun ),조창민 ( Chang Min Jo ),탁원영 ( Won Young Tak ),권영오 ( Young Oh Kweon ),김성국 ( Sung Kook Kim ) 대한소화기학회 2003 대한소화기학회지 Vol.41 No.6
Pancreatic arteriovenous malformation is very rare. However, it silently progresses and frequently brings about serious condition such as portal hypertension. The removal of pancreatic arteriovenous malformation is difficult once portal hypertension has developed. Surgery is the definitive treatment of choice, but it carries high risks when the patient`s condition is poor. The transjugular intrahepatic portosystemic shunt (TIPS) is a well-accepted procedure for the treatment of intractable portal hypertension. We experienced a case in which TIPS was used for the treatment of intractable portal hypertension caused by pancreatic arteriovenous malformation. The patient suffered from ascites and intractable gastrointestinal bleeding. The portal hypertension caused by pancreatic arteriovenous malformation was diagnosed by color Doppler ultrasonography, computed tomography (CT), and angiography. TIPS might be another treatment of choice for this rare disease, when the patient`s condition is too risky for surgical treatment. (Korean J Gastroenterol 2003;41:514-518)
정윤진 ( Yun Jin Chung ),박영대 ( Young Dae Park ),김상기 ( Sang Gi Kim ),정시욱 ( Si Wook Jung ),조창민 ( Chang Min Cho ),탁원영 ( Won Young Tak ),권영오 ( Young Oh Kweon ),김성국 ( Sung Kook Kim ),최용환 ( Yong Hwan Choi ),남언 대한내과학회 2007 대한내과학회지 Vol.73 No.6
Background: This study was performed to compare the clinical outcomes of intestinal Behcet`s disease with a simple ulcer. Methods: We analyzed the medical records of 52 patients that were suspected as having intestinal Behcet`s disease. Of these patients, 27 patients (Group 1) met both the criteria of the International Study Group for Behcet`s Disease and the Behcet`s Disease Research Committee of Japan. Thirteen patients (Group 2) met only the latter criteria and the other patients (Group 3) did not meet any criteria. The efficacy of medical treatment was assessed by the presence of gastrointestinal symptoms and follow-up colonoscopic findings. Results: The mean age for patients with a diagnosis of an intestinal lesion was 38.6±12.2 years. The sex ratio was 1.08:1 (M:F) and the mean follow-up duration was 35.2±39.5 months. A single, smaller than 5 mm, round and shallow ulcer with an erythematous margin that was located at the leocecal area showed most typical colonoscopic features for intestinal Behcet`s disease. No significant differences were found in the clinical manifestations and colonoscopic findings among the three groups of patients. Nineteen (44%) patients achieved complere remission from a sumptomatic point of view and 10 (39%) patients were proved to be complete remission according to follow up colonoscopy after medical treatment. Eleven patients (21.2%) underwent surgery. The overall cumulative rates of a first surgery and re-surgery were 40.5% and 71.9% at 10 years. No statistical relationship was found in the response of medical treatment and the cumulative rate of surgery among the groups. Conclusions: The clinical course and outcomes of an intestinal simple ulcer are not different from that for intestinal Behcet`s disease. (Korean J Med 73:575-586, 2007)