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| 1 | Pancreatic carcinoma coexisting with chronic pancreatitis versus tumor-forming pancreatitis:Diagnostic utility of the time-signal intensity curve from dynamic contrast-enhanced MR imaging显示文摘AIM: To evaluate the ability of the time-signal intensity curve (TIC) of the pancreas obtained from dynamic contrast-enhanced magnetic resonance imaging (MRI) for differentiation of focal pancreatic masses, especially pancreatic carcinoma coexisting with chronic pancreatitis and tumor-forming pancreatitis. METHODS: Forty-eight consecutive patients who underwent surgery for a focal pancreatic mass, including pancreatic ductal carcinoma (n = 33), tumor-forming pancreatitis (n = 8), and islet cell tumor (n = 7), were reviewed. Five pancreatic carcinomas coexisted with longstanding chronic pancreatitis. The pancreatic TICs were obtained from the pancreatic mass and the pancreatic parenchyma both proximal and distal to the mass lesion in each patient, prior to surgery, and were classified into 4 types according to the time to a peak: 25 s and 1, 2, and 3 min after the bolus injection of contrast material, namely, type-Ⅰ, Ⅱ, Ⅲ, and Ⅳ, respectively, and were then compared to the corresponding histological pancreatic conditions. RESULTS: Pancreatic carcinomas demonstrated type-Ⅲ (n = 13) or Ⅳ (n = 20) TIC. Tumor-forming pancreatitis showed type-Ⅱ (n = 5) or Ⅲ (n = 3) TIC. All islet cell tumors revealed type-Ⅰ. The type-Ⅳ TIC was only recognized in pancreatic carcinoma, and the TIC of carcinoma always depicted the slowest rise to a peak among the 3 pancreatic TICs measured in each patient, even in patients with chronic pancreatitis.CONCLUSION: Pancreatic TIC from dynamic MRI provides reliable information for distinguishing pancreatic carcinoma from other pancreatic masses, and may enable us to avoid unnecessary pancreatic surgery and delays in making a correct diagnosis of pancreatic carcinoma, especially, in patients with longstanding chronic pancreatitis. | Yoshitsugu Tajima Tamotsu Kuroki Ryuji Tsutsumi Ichiro Isomoto Masataka Uetani Takashi Kanematsu | 2007 | World Journal of Gastroenterology2007，13，6： | 28 |
| 2 | Cerebral lipiodol embolism related to a vascular lake during chemoembolization in hepatocellular carcinoma:A case report and review of the literature显示文摘A male patient underwent conventional transcatheter chemoembolization for advanced recurrent hepatocellular carcinoma(HCC). Even after the injection of 7 m L of lipiodol followed by gelatin sponge particles, the flow of feeding arteries did not slow down. A repeat angiography revealed a newly developed vascular lake draining into systemic veins; however, embolization was continued without taking noticing of the vascular lake. The patient's level of consciousness deteriorated immediately after the procedure, and non-contrast computed tomography revealed pulmonary and cerebral lipiodol embolisms. The patient's level of consciousness gradually improved after 8 wk in intensive care. In this case, a vascular lake emerged during chemoembolization and drained into systemic veins, offering a pathway carrying lipiodol to pulmonary vessels, the most likely cause of this serious complication. We should be aware that vascular lakes in HCC may drain into systemic veins and can cause intratumoral arteriovenous shunts. | Hideki Ishimaru Minoru Morikawa Takayuki Sakugawa Ichiro Sakamoto Yasuhide Motoyoshi Yohei Ikebe Masataka Uetani | 2018 | World Journal of Gastroenterology2018，24，37： | 9 |
| 3 | Extrahepatic collaterals and liver damage in embolotherapy for ruptured hepatic artery pseudoaneurysm following hepatobiliary pancreatic surgery显示文摘AIM: To evaluate the effects of extrahepatic collaterals to the liver on liver damage and patient outcome after embolotherapy for the ruptured hepatic artery pseudoa- neurysm following hepatobiliary pancreatic surgery. METHODS: We reviewed 9 patients who underwent transcatheter arterial embolization (TAE) for the ruptured hepatic artery pseudoaneurysm following major hepato- biliary pancreatic surgery between June 1992 and April 2006. We paid special attention to the extrahepatic arte- rial collaterals to the liver which may affect post-TAE liver damage and patient outcome. RESULTS: The underlying diseases were all malignan- cies, and the surgical procedures included hepatopancre- atoduodenectomy in 2 patients, hepatic resection with removal of the bile duct in 5, and pancreaticoduodenec- tomy in 2. A total of 11 pseudoaneurysm developed: 4 in the common hepatic artery, 4 in the proper hepatic artery, and 3 in the right hepatic artery. Successful he- mostasis was accomplished with the initial TAE in all patients, except for 1. Extrahepatic arterial pathways to the liver, including the right inferior phrenic artery, the jejunal branches, and the aberrant left hepatic artery, were identified in 8 of the 9 patients after the completion of TAE. The development of collaterals depended on the extent of liver mobilization during the hepatic resection, the postoperative period, the presence or absence of an aberrant left hepatic artery, and the concomitant arte- rial stenosis adjacent to the pseudoaneurysm. The liver tolerated TAE without significant consequences when at least one of the collaterals from the inferior phrenic ar-tery or the aberrant left hepatic artery was present. One patient, however, with no extrahepatic collaterals died of liver failure due to total liver necrosis 9 d after TAE. CONCLUSION: When TAE is performed on ruptured hepatic artery pseudoaneurysm, reduced collateral path- ways to the liver created by the primary surgical proce- dure and a short postoperative interval may lead to an unfavorable outcome. | Yoshitsugu Tajima Tamotsu Kuroki Ryuji Tsutsumi Ichiro Sakamoto Masataka Uetani Takashi Kanematsu | 2007 | World Journal of Gastroenterology2007，13，3： | 7 |
| 4 | 主动脉夹层破裂出血沿肺动脉延伸的CT及临床表现显示文摘本研究的目的是评价主动脉夹层(AD)破裂出血沿肺动脉(PA)延伸的CT表现及其预后因素。在232例Stanford A型主动脉夹层病人中,诊断出21例(9.1%;女性11例;平均70-3岁)。12例病人具有双腔(经典型),9例病人有主动脉壁内血肿(IMH;闭合的假腔)。基于CT表现,出血可以分为3类:第1类,肺动脉IMH或环绕肺动脉的出血;第2类,出血延伸至小叶间隔;第3类,出血延伸至肺泡内。影响预后的因素包括CT表现和病人的临床特征。21例中有14例(66.7%)进行了急诊手术, | E. Sueyoshi Y. Matsuoka I. Sakamoto M. Uetani 马延贺(译) 李威(校) | 2009 | 国际医学放射学杂志2009，32，4： | 7 |
| 5 | Imaging appearances and management of isolated spontaneous dissection of the superior mesenteric artery显示文摘 | Ichiro Sakamoto Yoji Ogawa Eijun Sueyoshi Kenichiro Fukui Tomonori Murakami Masataka Uetani | 2007 | European Journal of Radiology2007，，1： | 3 |
| 6 | A case of intrahepatic clear cell cholangiocarcinoma显示文摘Intrahepatic clear cell cholangiocarcinoma is very rareonly 8 cases have been reported.A 56-year-old Japanese man with chronic hepatitis B infection was diagnosed with a 2.2 cm hepatocellular carcinoma on imaging,and hepatic segmentectomy was performed.Histopathologically,the tumor cells had copious clear cytoplasm and formed glandular structures or solid nests.These pathological findings suggested the tumor was a clear cell variant of intrahepatic cholangiocarcinoma.Particular stains and radiological images suggested that the cause of the clear cell change had been glycogen,not mucin nor lipid.On immunohistochemical staining,cytokeratin(CK)7 and CK19 were positive,whereas CK20 was negative.Vimentin was detected on the cell membranes,and CD56 was focally positive.The patient was given adjuvant chemotherapy and is currently free from the tumor 7 mo postoperatively.Careful follow-up with adequate postoperative supplementary chemotherapy is necessary because the characteristics of this type of tumor are unknown. | Eo Toriyama Atsushi Nanashima Hideyuki Hayashi Kuniko Abe Naoe Kinoshita Shunsuke Yuge Takeshi Nagayasu Masataka Uetani Tomayoshi Hayashi | 2010 | World Journal of Gastroenterology2010，16，20： | 2 |
| 7 | Central role of double-stranded RNA-activated protein kinase in microbial induction of nitric oxide synthase显示文摘 | Uetani K Der SD Zamanian-Daryoush M et a1 | 2000 | J Immunol2000，165，2： | 1 |
| 8 | Malignant and be- nign compression fractures: different tiation and diag- nostic pitfalls on MRI显示文摘 | Uetani M Hayashmi R Hayashi K | 2004 | Clinical Radiology2004，59，2： | 1 |
| 9 | Postprandial hypotension as a risk marker for asymptomatic lacunar infarction 显示文摘 | Tabara Y Okada Y Uetani E | 2014 | J Hypertens2014，32，5： | 1 |
| 10 | Intracoronaryelectrocardiogram recording with a bare-wire system:perioperative ST-segment elevation in the intracoronaryelectrocardiogram is associated with myocardial injury afterelective coronary stent implantation 显示文摘 | Uetani T Amano T Kumagai S | 2009 | JACC CardiovascInterv2009，2，2： | 1 |
| 11 | Malignant and benign com pression fractures:differentiation and diagnostic pitfalls on MRI显示文摘 | Uetani M Hashmi R Hayashi K | 2004 | Clinical Radiology2004，59，1： | 1 |
| 12 | CT analysis of the growth rate of aortic diameter affected by acute type B intramural hematoma显示文摘 | Sueyoshi E Sakamoto I Uetani M | 2006 | AJR2006，186，： | 1 |
| 13 | G-protein beta 3 subunit polymorphism C1429T and low-density lipoprotein receptor-related protein 5 polymorphism A1330V are risk factors for hypercholesterolemia in Japanese males a prospective study over 5 years显示文摘 | SUWAZONO Y KOBAYASHI E UETANI M | 2006 | Metabolism2006，55，6： | 1 |
| 14 | Peripheral nerve intraneural ganglion cyst: MR findings in three cases 显示文摘 | Uetani M Hashmi R Hayashi K | 1998 | J Comput Assist Tomogr1998，22，4： | 1 |
| 15 | Impact of metabolic syndrome on tissue characteristics of angiographically mild to moderate coronary lesions integrated backscatter intravascular ultra- sound study 显示文摘 | Amano T Matsubara T Uetani T | 2007 | J Am Coll Cardiol2007，49，11： | 1 |
| 16 | Malignant and benign compression fractures: differentiation and diagnostic pitfalls on MRI 显示文摘 | Uetani M Hashmi R Hayashi K | 2004 | Clin Radiol2004，59，： | 1 |
| 17 | Nonlinear surface ground analysis via statistical approach 显示文摘 | TAKEWAKI I FUJII N UETANI K | 2002 | Soil Dynamics Earthquake Engineering2002，22，： | 1 |
| 18 | Fast practical evaluation of soil-structure interaction of embedded structures显示文摘 | Takewaki I Takeda N Uetani K | 2003 | Soil Dynamics and Earthquake Engineering2003，23，3： | 1 |
| 19 | Determination of serum unbound bilirubin for prediction of keruicterus in low birth weight infants 显示文摘 | Nakamura H Yonetani M Uetani Y | 1992 | Acta Pediatr Jpn1992，34，6： | 1 |
| 20 | Stretch induces a growth factor in alveolar cells via protein kinase显示文摘 | YAMAMOTO H TERMOTO H UETANI K | 2001 | Respire Physiol2001，127，23： | 1 |
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