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find Author "CHEN Zheyu" 20 results
  • Advantages and disadvantages of radiofrequency ablation for hepatocellular carcinoma

    This paper describes the advantages and disadvantages of radiofrequency ablation from the current situation of hepatocellular carcinoma treatment, radiofrequency ablation treatment, the efficacy of radiofrequency ablation in hepatocellular carcinoma, the shortcomings of radiofrequency ablation treatment, and the experience of the author’s treatment team. For the treatment of liver cancer, we should not blindly pursue minimally invasive and ignore the principle of radical resection, nor blindly pursue radical resection and ignore the risk of surgery. We should choose reasonable treatment methods, let the patient get the best treatment.

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  • Three Cases Reports of Primary Hepatic Neuroendocrine Carcinoma

    Objective To summarize the diagnosis and treatment for primary hepatic neuroendocrine carcinoma. Methods The clinicopathologic data of three patients with primary hepatic neuroendocrine carcinoma from June 2010 to June 2011 in this hospital were analyzed retrospectively. Results Three cases were difficult to diagnose primary hepatic neuroendocrine carcinoma before operation. All the treatments were resection. Three patients were diagnosed as neuroendocrine carcinoma by pathology and immunohistochemistry after operation. All of them were treated by octreo-tide after operation and discharged from hospital successfully. There was no relapse one year later. At present, 3 patients were still continue to follow-up. Conclusions The diagnosis of primary hepatic neuroendocrine carcinoma is very difficult before operation, the assessment of treatment and curative effect is exploring.

    Release date:2016-09-08 10:34 Export PDF Favorites Scan
  • A report of successful radical resection of Bismuth-Corlette type Ⅳ hilar cholangiocarcinoma with hyperbilirubinemia

    Objective To explore favorable factors of reducing incidence of postoperative liver failure after radical resection of Bismuth-Corlette type Ⅳ hilar cholangiocarcinoma in condition of hyperbilirubinemia. Methods All the clinical data of one patient with Bismuth-Corlette type Ⅳ hilar cholangiocarcinoma underwent radical resection in June 2017 in the West China Hospital of Sichuan University were collected. The preoperative total bilirubin level of this patient was 470.3 μmol/L, the patient didn’t receive preoperative biliary drainage. The preoperative jaundice time and cholangitis were calculated accurately. A 3D imaging system for quantitative evaluation of the liver was used to reconstruct the images with contrast-enhanced CT images of this patient. And the total liver volume and the future liver remnant volume (FLRV) were calculated. Finally, 6 months of follow-up were conducted after surgery. Results The exact jaundice time was 20 d and there was no preoperative cholangitis. The postoperative FLRV accounted for about 70%. No postoperative liver failure occurred. No recurrence of tumor and death of patient occurred after 6 months of follow-up. Conclusions Radical resection of hilar cholangiocarcinoma in condition of hyperbilirubinemia is not an absolute contraindication for surgery, but indications should be strictly controlled. For special patient whose jaundice with short duration, no preoperative cholangitis and a high FLRV may be treated with directly radical surgery to prevent for losting the best time of surgery.

    Release date:2018-05-14 04:18 Export PDF Favorites Scan
  • Treatment Experience of Type Ⅳ Hilar Cholangiocarcinoma

    Objective To explore primary surgical treatment experience of typeⅣ hilar cholangiocarcinoma. Methods From April 2008 to April 2011,20 patients with type Ⅳ hilar cholangiocarcinoma were enrolled into the same surgical group in Department of Hepatobiliary and Pancreatic Surgery of West China Hospital of Sichuan University.The intra- and post-operative results were analyzed.Results The total resection rate was 75%,which was consisted of 10 cases of radical excision and 5 cases of non-radical excision.Seven patients received left hepatic trisegmentectomy and caudate lobe resection including anterior and posterior right hepatic duct reconstruction,hepatojejunostomy,and Roux-en-Y jejunojejunostomy.Six patients received enlarged left hepatic trisegmentectomy and caudate lobe resection including left intrahepatic and extrahepatic duct reconstruction,hepatojejunostomy,and Roux-en-Y jejunojejunostomy. Two patients received quadrate lobe resection including two cholangioenterostomies after anterior and posterior right hepatic duct reconstruction,and left intrahepatic and extrahepatic duct reconstruction.After percutaneous transhepatic cholangial drainage (PTCD) and portal vein embolization (PVE),two patients with total bilirubins >400 mmol/L received radical excision and non-radical excision,respectively.Three patients only received PTCD during operation due to wide liver and distant metastasis,and two patients received T tube drainage during operation and postoperative PTCD due to left and right portal vein involvement. All 15 patients who received lesion resection survived more than one year, whereas another five patients whose lesions can not been resec ted only survived from 3 to 6 months with the mean of 4.2 months.No death occurred during the perioperative period. Conclusions For patients with type Ⅳ hilar cholangiocarcinoma, preoperative evaluation and tumor resection shall conducted so as to relieve obstruction of biliary tract,otherwise PTCD and PVE prior to the final lesion resection shall be performed.

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  • Compare The Effects of Two Chemotherapeutic Patterns after Hepatectomy of Hepatocellular Carcinoma with Portal Vein Tumor Thrombus

    Objective To compare the effect of two chemotherapeutic patterns after hepatectomy of hepatocellular carcinoma (HCC) with portal vein tumor thrombi(PVTT). Methods The clinical data of 51 HCC patients with PVTT who were treated in our department from June 2006 to December 2011 were analyzed retrospectively. Fifty-one HCC patients with PVTT who were performed hepatectomy and treatment of antivirus and improve immune were divided into two groups according to chemotherapeutic patterns after operation: portal vein infusion drug deliver system (PVIDDS)group (n=19) and transcatheter arterial chemoembolization(TACE) group(n=32),and to compare the treatment effect of the two groups. Results The recurrence rate of 1-month, 1-year,3-year, and 5-year after operation in TACE group was 3.1%(1/32),46.9%(15/32),84.4%(27/32), and 100%(32/32),respectively. And in PVIDDS group, which was 5.3%(1/19),52.6%(10/19),100%(19/19), and 100%(19/19),respectively. There were no differences in recurrence rate of 1-month, 1-year, and 5-year after operation in two groups(P>0.05). Recurrence rate of 3-year after operation in TACE group was lower than that in PVIDDS group(P<0.05). There were no differences in medial survival time(17.1 months vs.15.9 months), survival rate of 1-year(93.8% vs.94.7%) and 3-year(40.6% vs. 36.8%) after operation in TACE group and PVIDDS group(P>0.05). Survival rate of 5-year after operation in TACE group was higher than that in PVIDDS group(21.9% vs.0, P<0.05). The rate of complication in TACE group was lower than that in PVIDDS group(65.6% vs.94.7%,P<0.05). Conclusions If the HCC patients with PVTT could endure operation,surgical resection should be considered firstly,furthermore antivirus treatment, improving immune,and chemotherapy should be considered after operation. The effect of TACE is better than PVIDDS.

    Release date:2016-09-08 10:36 Export PDF Favorites Scan
  • Changes and Mechanism of Colon Motility of the Rats in Multiple Organ Dysfunction Syndrome Induced by Bacterial Peritonitis

    【Abstract】ObjectiveTo explore the changes of colon motility of the rats in multiple organ dysfunction syndrome (MODS) induced bacterial peritonitis and the effects of IL6, TNFα and induce nitricoxide synthase (iNOS) on colon motility. MethodsWistar rats were divided into two groups, which were the control group and the MODS group. The number of stool, the amplitude changes of circular smooth muscle strip, the length of smooth muscle cell, and the changes of serum NO in two groups were observed. The expressions of IL6, TNFα and iNOS protein and IL6 mRNA, TNFα mRNA and iNOS mRNA in distal colon were investigated by using immunohistochemical methods and RTPCR. ResultsThe numbers of stool and the amplitude in the MODS group were lower than those of the control group (P<0.05). The expressions of IL6, TNFα and iNOS were negative in the control group, while they were positive in the MODS group. IL6 mRNA,TNFα mRNA and iNOS mRNA were negative expression in the control group, but they were positive expression in the MODS group. The concentration of serum NO and the length of smooth muscle cells in the MODS group were higher than those of the control group (P<0.01). ConclusionColon motor dysfunction of the rats is related to the iNOS, IL6 and TNFα.

    Release date:2016-09-08 11:52 Export PDF Favorites Scan
  • Surgical resection of liver masses involving the second and the third porta hepatis: a report of 13 cases

    ObjectiveTo summarize the surgical technique and indications for liver masses involving the second and the third porta hepatis.MethodsThirteen cases of liver mass involving the second and the third porta hepatis, who underwent surgery in West China Hospital of Sichuan University from June 2013 to September 2016 were collected retrospectively, then made a statistical analysis, including patients’ information, characteristics of liver masses, operation information, and result of followed-up.ResultsOf the 13 cases, there were 3 cases of hepatic alveolar echinococcosis, 4 cases of hepatocellular carcinoma, 4 cases of intrahepatic cholangiocarcinoma, and 2 cases of liver metastasis induced by colon cancer. The mean tumor diameter was 12.5 cm (7–21 cm). Preoperative imaging examinations showed that mass had involved the second and the third porta hepatis, and all masses were resected by surgery without perioperative death, including 7 cases of right three hepatectomy resection, 1 case of left three hepatectomy resection, 4 cases of right hepatectomy resection, and 1 case of left hemi hepatectomy resection; among them, 9 cases were performed caudal lobectomy resection. The mean of operative time was 313 min (210–450 min), the mean of intraoperative blood loss was 592 mL (300–1 100 mL). Four cases received blood transfusion with 300–450 mL (mean of 338 mL). The total hepatic blood inflow occlusion time was 25–55 min (mean of 42 min). Five cases received venous reconstruction, and 1 case received hepatic vein reconstruction. After operation, ascites occurred in 6 cases, pleural effusion occurred in 6 cases, liver failure occurred in 2 cases, bile leakage occurred in 2 cases, pulmonary infection occurred in 3 cases, deep vein thrombosis occurred in 1 case. All of the 13 cases were followed-up for 1–39 months (median time was 14 months), during the followed-up period, 4 cases died, including 3 cases of intrahepatic cholangiocarcinoma and 1 case of liver metastasis induced by colon cancer.ConclusionIt is encouraging to apply the vascular reconstruction and skilled hepatic partition technique for resection lesions which involved the second and the third porta hepatis, through meticulous preoperative evaluation and preparation.

    Release date:2017-09-18 04:11 Export PDF Favorites Scan
  • Analysis on efficacy and safety of complete excision of the external capsule in the treatment of hepatic echinococcosis

    ObjectiveTo analyze the efficacy and safety of complete excision of the external capsule in the treatment of hepatic echinococcosis.MethodsThe clinical data of 90 patients with hepatic cystic echinococcosis admitted to our hospital from January 2016 to March 2018 were retrospectively analyzed. According to the different surgical methods, this patients were divided into two groups: the partial hepatectomy group and complete excision of the external capsule group, 45 cases in each group. The patient's general condition and the situation during hospitalization were analyzed, and the intraoperative conditions, postoperative complications, recurrence and mortality after one year in different surgical methods were compared.ResultsThe operative time and intraoperative blood loss in the partial hepatectomy group was significantly longer or more than that in the complete excision of the external capsule group (P<0.05), respectively. There was no significant difference between the two groups in hospitalization time (P>0.05). The incidence of postoperative complications was 11.11% in the partial hepatectomy group and 8.88% in the complete excision of the external capsule group. There was no significant difference between the two groups (P>0.05). After 1 year of followed-up, the recurrence rate of the partial hepatectomy group was 4.44%, and there was no recurrence in the complete excision of the external capsule group, and there was no significant difference between the two groups (P>0.05). There was no death in both groups.ConclusionsIn the surgical treatment of hepatic cystic echinococcosis, the most appropriate surgical method should be selected according to the specific conditions of the patient, and the complete excision of the external capsule has higher therapeutic effect and safety in the treatment of hepatic echinococcosis. It is worthy of clinical promotion.

    Release date:2020-02-24 05:09 Export PDF Favorites Scan
  • MDT discussion of a case of adrenocortical carcinoma misdiagnosed as hepatocellular carcinoma

    ObjectiveTo summarize the clinical and imaging features of hepatic adrenal rest tumor and to explore its tissue source, diagnosis, differential diagnosis and treatment.MethodsThe clinical data of patient with hepatic adrenal rest tumor in the West China Hospital of Sichuan University were analyzed retrospectively. The diagnostic methods of liver adrenal junction were summarized by consulting relevant literatures.ResultsThe patient was admitted to the hospital with right hepatic lesions. The preoperative imaging examination showed that it was the imaging features of hepatocellular carcinoma. The right hemihepatectomy was proposed. During the operation, it was found that the lesions were not from the liver, but from the retroperitoneum (The possibility of adrenal origin was very high). Then, the retroperitoneal occupying lesions was completely resected via urology surgery consultation. The pathological results showed that the tumor was adrenocortical carcinoma.ConclusionsIt is very difficult to accurately diagnose nature of hepatic adrenal rest tumor before operation only by results of cross-sectional imaging, especially for some adrenal tumor. It needs to fully be evaluated and even to perform multidisciplinary discussion if necessary for patients who have hepatic adrenal rest tumor before operation, so as to avoid misdiagnosis to a certain extent.

    Release date:2020-12-25 06:09 Export PDF Favorites Scan
  • In vivo hepatectomy with preservation of retrohepatic inferior vena cava for hepatic alveolar echinococcosis with invasion of inferior vena cava

    ObjectiveTo explore the clinical application of in vivo hepatectomy with preservation of retrohepatic inferior vena cava (IVC) for hepatic alveolar echinococcosis (HAE) with the invasion of IVC. MethodsThe clinicopathologic data of a complicated HAE patient with large lesion (maximum cross-section 12.6 cm×9.6 cm), infiltrative growth, unclear boundary with surrounding tissues, and invasions of diaphragm and IVC (invasion length up to 4.6 cm) admitted to the Department of Liver Surgery in the West China Hospital of Sichuan University in December 2021 was retrospectively collected. The three-dimensional reconstruction of the liver model was performed by Mimics Medical 21.0 software before operation. The invading IVC of the right liver lesion was measured and the resection was simulated. During the operation, the HAE lesion and the affected IVC were gradually separated from IVC by the hemostatic forceps, and the residual lesions were gradually removed. ResultsIn this patient, the HAE lesion of right liver was resected, the IVC was entirely preserved, and the resection of liver was consistent with the preoperative three-dimensional reconstruction plan. The operation time was 275 min, the bleeding was approximately 500 mL. On the first day after the operation, the alanine aminotransferase and aspartate aminotransferase were increased, no obvious abnormalities were observed in the plasma albumin and bilirubin, the patient recovered and was discharged on the seventh day after the operation. No complications occurred after the operation, and no recurrence or metastasis of HAE was observed during follow-up period. ConclusionsHepatectomy with preservation of retrohepatic IVC for HAE with invasion of IVC is safe and effective. Taking albendazole regularly after surgery will help maintain disease-free survival.

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