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최병인(Byung Ihn Choi),박재형(Jae Hyung Park),임덕(Duk Lim),한만청(Man Chung Han) 대한소화기학회 1983 대한소화기학회지 Vol.15 No.2
N/A Percutaneous transhepatic biliary drainage has played a major role in treatment of patients with biliary tract disease, especially obstruction by malignant disease. Percutaneous transhepatic biliary drainage was performed in 77 patients of obstructive jaundice for recent 2 years since June 1981 at department of radiology, Seoul National University Hospital. The results were as follows, 1) The male to female ratio was 2.3: 1 and the age ranged from 19 to 88 with average of 53. 2) The causes of obstructive jaundice included 69 malignant diseases and 8 benign diseases. Malignant diseases were 24 cases of bile duct cancer, 15 cases of metastasis, 11 cases of pancreatic cancer, 2 cases of gallbladder cancer and 1 case of ampulla Vater cancer. Benign diseases were 5 cases of common bile duct stone and 3 cases of benign stricture. 3) The most common indication was palliative drainage of obstruction secondary to malignant tumor in 54 cases. 4) The overall success rate was 94.8% Internal drainage was achieved in 24(31.2%) and external drainage was accomplished in 49(63.6%). 5) Decline in serum bilirubin level was made in 67 cases(91. 8%) with the most rapid decline within 1 week after the procedure. 6) Acute major complication occurred in 4 of 77 cases (5.2%). Percutaneous transhepatic biliary drainage is a proven technique for non-operative biliary decompression and established alternative to surgery.
잔류담석의 (殘留膽石) 경피적 (經皮的) 제거술 (除去術)
최병인(Byung Ihn Choi),박재형(Jae Hyung Park),한만청(Man Chung Han),박용현(Young Hyun park) 대한소화기학회 1984 대한소화기학회지 Vol.16 No.1
N/A Percutaneous extraction of residual biliary tract stones througe T-tube tract was established as a successful and generally accepted radiologic procedure in patients with post-operative retained stones. Percutaneous removal of residual stones was performed in 23 patients at the Department of Radiology, Seoul National University Hospital from November, 1982 to January, 1984 The results were as follows: 1) The male to female ratio was 1: 1.3 and the age ranged from 27 to 76 with everage of 44. 2) Location of residual stones are intrahepatic in 17 cases(73.7%), extrahepatic in 5 cases (21.7%) and combined in 1 case. 3) Number of residual biliary stones was single in 6 cases and 2 to 10 Stones in 5 patients had more than 10 stones. 4) Success rate was 76.5;. In intrahepatic stones and 100% in extrahepatic stones overall success rate was 82.6%. 5) There was no significant complication of this method.
경피경간담배액술 (經皮經肝膽排液術) 193예에 관한 분석
최병인(Byung Ihn Choi),박재형(Jae Hyung Park),임덕(Duk Lim),한만청(Man Chung Han),한준구(Jun Koo Han),이종범(Jong Beum Lee),김주완(Chu Wan Kim) 대한소화기학회 1984 대한소화기학회지 Vol.16 No.2
N/A Percutaneous transhepatic biliary drainage has played a major role in treatment of patients with biliary tract disease, especially obstruction by malignant disease. Percutaneous transhepatic biliary drainage was perfor med 193 times in 152 patients of obstructive jaundice for recent 3 years from July, 1981 to September, 1984 at department of radiology, Seoul National University Hospital. The results were as follows: 1) The male to female ratio was 2:3:1 and the 7 th decade was the most common. 2) The causes of obstructive jaundice included 135 malignant diseases and 17 benign diseases. Malignant diseases were 61 cases of bile duct cancer, 36 cases of metastasis, 26 cases of pancreatic cancer, 6 cases of gallbladder cancer, 4 cases of ampulla Vater cancer, 1 case of duodenal cancer, and 1 case of hepatoma. Benign diseases were 10 cases of common bile duct stone, 1 case of intrahepatic stones, 4 cases of benign stricture and 2 cases of cholangitis. 3) The most common indication was palliative drainage of obstruction secondary to malignant tumor in 113 cases. 4) The overall success rate was 95%. Internal drainage was achieved in 45(24%) cases and external drainage was accomplished in 139 (76%) cases. 5) Decline in serum bilirubin level was found in 144 patients (95%) with the most rapid decline within 1 week after the procedure. 6) Acute major complication occurred in 17 cases (9%) Percutaneous transhepatic biliary drainage is a proven technique for non-operative biliary decompression and established alternative to surgery.
간내 담관암의 전산화단층촬영소견의 특징 - 간 흡충중과의 연관성을 중심으로 -
최병인(Byung Ihn Choi),박재형(Jae Hyung Park),김주완(Chu Wan Kim),김승협(Seung Hyup Kim),김원홍(won Hong Kim),한만청(Chung Yong Kim),김정룡(Eun Sil Yu),김용일(Man Chung Han),유은실(Chu Wan Kim) 대한소화기학회 1988 대한소화기학회지 Vol.20 No.1
N/A 22 patients with intrahepatic cholangiocarcinomas of the liver were examined with computed tomography (CT). Initial symptom was nonspecific such as upper abdominal discomfort or pain in majority. There was no patient with jaundice or liver cirrhosis. 13 patients (59%) showed positive skin or stool test for clonorchis sinensis. 17 patients had the peripheral type of cholangiocarcinoma and five patients had the main duct type. The tumors showed low-density rnasses in pre and postcontrast CT scan in all cases vith wide variation of homogeneity. The tumor margins were irregular in 18 patients (82%) and the degree of contrast enhancement of the tumor was minimal in 19 patients (86%). 13 patients, who had the clonorchiasis, showed mild, and diffuse dilatation r>f the intrahepatic bile duct in addition to the low-density mass. 12 patients (55%) showed extrahepatic metastasis. In peripheral type of the tumor, five patients showed fine, stippled or aggregated powderlike high-density areas in precontrast Cl scan that vere mucinous substances within the mass on pathologic section. Eleven patients showed markedly low-density masses even in postcontrast CT which corresponded to diffuse, microcystic change of the tumor on resected specimen. In main duct type, all patients showed focal ductal dilataion around the low-density mass. Intrahepatic cholangiocarcinoma should be the primary diagnostic consideration when characteristic CT findings are detected in noncirrhotic patient with clonorchiasis.
임덕,최병인,홍성모,장기현,Lim, Duk,Choi, Byung-Ihn,Hong, Sung-Mo,Chang, Kee-Hyun 대한영상의학회 1983 대한영상의학회지 Vol.19 No.1
Cysticercosis, like other parasitic disease, is still endemic in many parts of the world, and is not infrequently found in Korea. The authors reviewed CT findings of 54 cases of the cysticercosis involving the central nervous system which were proven by pathology and clinical findings. The results are as follows: 1. Male to female retio is 3 : 1 and the most prevalent age group is the fifth decade. The most common sympton is seizure(56%). 2. Involved areas in the brain are parenchymal(66%), intraventricular(15%), leptomeningeal(40%) and the mixed(15%). 3. Pre-contrast CT findings are the round low density in 46 cases(85%), multiple pin-point calcification in 18 cases(33%), variable degrees of hydrocephalus in 20 cases(37%) and peripheral edematous change in 8 cases(15). 4. Post-enhancement CT findings are complete or partial wall enhancement in 28 cases(50%), nodular enhancement in 18 cases(32%) and pin-point enhancement in 10 cases(18%) which represents the enhancement of the scolex per se. Basal cisternal enhancement is seen in one case, which is very unusual finding of cysticercosis cellulosae.
The Utility of MR Imaging Using the HASTE and True FISP Sequences in Diagnosing Bowel Obstruction
윤은주,김태경,최병인,Yun, Eun-Joo,Kim, Tae-Kyoung,Choi, Byung-Ihn The Korean Radiological Society 2003 대한영상의학회지 Vol.48 No.6
Purpose: To determine the value of magnetic resonance imaging (MRI) using HASTE (half- Fourier single-shot turbo spin-echo) and true FISP (fast imaging with steady-state precession and heavy T2-weighting) sequences in diagnosing bowel obstruction. Materials and Methods: Thirty-one consecutive patients in whom suspected bowel obstruction was revealed at plain abdominal radiography, barium study, and computed tomography (CT) were admitted during an eight-month period. Eighteen of 27 in whom bowel obstruction was confirmed underwent MRI using HASTE and true FISP sequences. Results: At MRI, bowel obstruction was diagnosed in all patients. Using the HASTE sequence, the site of obstruction was correctly identified in 16 patients(89%) and the cause of obstruction was correctly diagnosed in 15(83%). Using the true FISP sequence, the corresponding figures were 16(89%) and 16(89%). Of the 18 patients with confirmed bowel obstruction, 33%(6/18) showed better lesion conspicuity at true FISP, for 39%(7/18), conspicuity was equal at both sequences, 28%(5/18) showed better conspicuity at HASTE. Conclusion: MRI can be useful for evaluation the presence, site and cause of bowel obstruction. On comparing the findings of HASTE and true FISP sequences, no significant differences were observed. 목적: 장폐쇄를 진단하는데 있어 HASTE기법과 true FISP기법을 이용한 자기공명영상의 유용성에 대하여 알아보고자 하였다. 대상과 방법: 8개월동안 단순복부촬영, 바륨검사,CT에서 장폐쇄가 의심되는 31명의 환자 중 자기공명영상을 시행하고 원인이 수술이나 생검을 통해 확진된 18명의 환자를 대상으로 하였다.자기공명영상은 1.0 T를 이용하여 half-Fourier acquisition single-shot turbo spin-echo(HASTE)기법과 fast imaging with steady-state precession and heavy T2-weighting(true FISP)기법으로 영상을 얻었다. 두 기법 각각에서 장폐쇄의 유무, 위치와 원인에 대해평가 하였고 병변의 선명도를 비교분석하였다. 결과:18명 모두에서 자기공명영상으로 장폐쇄의 유무를 확인하였다.HASTE기법에서 장폐쇄의 위치는 16명(89%)에서 확인되었고, 원인은 15명(83%)에서 진단되었다.True FISP기법에서 장폐쇄의 위치는 16명(89%)에서 확인되었고, 원인은 16명(89%)에서 진단되었다. 병변의 선명도는 6명(33%)에서는 true FISP기법이, 5명(28%)에서는 HASTE기법이 우수하였고 7명(39%)에서는 유의한 차이가 없었다. 결론: 장폐쇄의 유무와 위치확인, 원인의 진단에 있어 자기공명영상은 우수한 검사법이며 그 기법인 HASTE와 true FISP기법에서의 소견은 큰 차이가 없었다.