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| 1 | High-intensity focused ultrasound ablation:An effective bridging therapy for hepatocellular carcinoma patients显示文摘AIM:To analyze whether high-intensity focused ultrasound(HIFU) ablation is an effective bridging therapy for patients with hepatocellular carcinoma(HCC).METHODS:From January 2007 to December 2010,49 consecutive HCC patients were listed for liver transplantation(UCSF criteria).The median waiting time for transplantation was 9.5 mo.Twenty-nine patients received transarterial chemoembolization(TACE) as a bringing therapy and 16 patients received no treatment before transplantation.Five patients received HIFU ablation as a bridging therapy.Another five patients with the same tumor staging(within the UCSF criteria) who received HIFU ablation but not on the transplant list were included for comparison.Patients were comparable in terms of Child-Pugh and model for end-stage liver disease scores,tumor size and number,and cause of cirrhosis.RESULTS:The HIFU group and TACE group showed no difference in terms of tumor size and tumor number.One patient in the HIFU group and no patient in the TACE group had gross ascites.The median hospital stay was 1 d(range,1-21 d) in the TACE group and two days(range,1-9 d) in the HIFU group(P < 0.000).No HIFU-related complication occurred.In the HIFU group,nine patients(90%) had complete response and one patient(10%) had partial response to the treatment.In the TACE group,only one patient(3%) had response to the treatment while 14 patients(48%) had stable disease and 14 patients(48%) had progressive disease(P = 0.00).Seven patients in the TACE group and no patient in the HIFU group dropped out from the transplant waiting list(P = 0.559).CONCLUSION:HIFU ablation is safe and effective in the treatment of HCC for patients with advanced cirrhosis.It may reduce the drop-out rate of liver transplant candidate. | Tan To Cheung Sheung Tat Fan See Ching Chan Kenneth SH Chok Ferdinand SK Chu Caroline R Jenkins Regina CL Lo James YY Fung Albert CY Chan William W Sharr Simon HY Tsang Wing Chiu Dai Ronnie TP Poon Chung Mau Lo | 2013 | World Journal of Gastroenterology2013，19，20： | 23 |
| 2 | Combined resection and radiofrequency ablation for multifocal hepatocellular carcinoma: Prognosis and outcomes显示文摘AIM: To analyze the combined treatment of resection and intraoperative radiofrequency ablation (RFA) for multifocal hepatocellular carcinoma in terms of prognosis and surgical outcomes.METHODS: This study was a retrospective case comparison study using prospectively collected data. The study covered the period from April 2001 to December 2006. The data of 200 patients with histologically confirmed hepatocellular carcinoma were reviewed. Nineteen patients (17 men and 2 women) having received resection in combination with RFA were chosen as subjects of the study (the combination group). Fiftyfour patients (43 men and 11 women) having received resection alone were selected for comparison (the resection group). The two groups matched tumor number and tumor size, and all the patients in the two groups displayed no tumor rupture, major vascular involvement and distant metastasis. Their demographics, preoperative assessment, disease recurrence patterns, overall survival and diseasefree survival were compared.RESULTS: In the combination group, the medianage was 65 years (range, 3477 years), the median tumor number was 3 (range, 29), and the median tumor size was 6 cm (range, 1.214 cm). In the resection group, the median age was 51.5 years (range, 2780 years, P = 0.003), the median tumor number was 3 (range, 29, P = 0.574), and the median tumor size was 6 cm (range, 114 cm, P = 0.782). The two groups were similar in characteristics of tumors and comorbidities, and had comparable results in preoperative liver function tests. All patients had ChildPugh class A status. Bilobar involvement occurred in 14 patients (73.6%) in the combination group and 3 patients (5.5%) in the resection group (P = 0.04). Six patients (32%) in the combination group and 35 patients (65%) in the resection group underwent major hepatectomy. Thirteen patients (68%) in the combination group and 19 patients (35%) in the resection group underwent minor hepatectomy (P = 0.012). The combination group had fewer major resections (32% vs 65%, P = 0.012), less blood loss (400 vs 657 mL, P = 0.007), shorter operation time (270 vs 400 min, P = 0.001), and shorter hospital stay (7 vs 8.5 d, P = 0.042). The two groups displayed no major differences in surgical complications (15.8% vs 31.5%, P = 0.24), disease recurrence (63.2% vs 50%, P = 0.673), hospital mortality (5.3% vs 5.6%, P = 1), and overall survival (53 vs 44.5 mo, P = 0.496).CONCLUSION: Safe and effective for selected patients with multifocal hepatocellular carcinoma, the combination of resection and intraoperative RFA widens the applicability of surgical intervention for the disease. | Tan To Cheung Kelvin K Ng Kenneth S Chok See Ching Chan Ronnie T Poon Chung Mau Lo Sheung Tat Fan | 2010 | World Journal of Gastroenterology2010，16，24： | 14 |
| 3 | Pancreaticoduodenectomy with vascular reconstruction for adenocarcinoma of the pancreas with borderline resectability显示文摘AIM:To analyze whether pancreaticoduodenectomy with simultaneous resection of tumor-involved vessels is a safe approach with acceptable patient survival.METHODS:Between January 2001 and March 2012,136 patients received pancreaticoduodenectomy for adenocarcinoma at our hospital.Seventy-eight patients diagnosed with pancreatic head carcinoma were included in this study.Among them,46 patients received standard pancreaticoduodenectomy(group 1)and32 patients received pancreaticoduodenectomy with simultaneous resection of the portal vein or the superior mesenteric vein or artery(group 2)followed by reconstruction.The immediate surgical outcomes and survivals were compared between the groups.Fifty-five patients with unresectable adenocarcinoma of the pancreas without liver metastasis who received only bypassoperations(group 3)were selected for additional survival comparison.RESULTS:The median ages of patients were 67 years(range:37-82 years)in group 1,and 63 years(range:35-86 years)in group 2.All group 2 patients had resection of the portal vein or the superior mesenteric vein and three patients had resection of the superior mesenteric artery.The pancreatic fistula formation rate was21.7%(10/46)in group 1 and 15.6%(5/32)in group2(P=0.662).Two hospital deaths(4.3%)occurred in group 1 and one hospital death(3.1%)occurred in group 2(P=0.641).The one-year,three-year and five-year overall survival rates in group 1 were 71.1%,23.6%and 13.5%,respectively.The corresponding rates in group 2 were 70.6%,33.3%and 22.2%(P=0.815).The one-year survival rate in group 3 was13.8%.Pancreaticoduodenectomy with simultaneous vascular resection was safe for pancreatic head adenocarcinoma.CONCLUSION:The short-term and survival outcomes with simultaneous resection were not compromised when compared with that of standard pancreaticoduodenectomy. | Tan To Cheung Ronnie TP Poon Kenneth SH Chok Albert CY Chan Simon HY Tsang Wing Chiu Dai See Ching Chan Sheung Tat Fan Chung Mau Lo | 2014 | World Journal of Gastroenterology2014，20，46： | 8 |
| 4 | Rapid measurement of indocyanine green retention by pulse spectrophotometry: a validation study in 70 patients with Child-Pugh A cirrhosis before hepatectomy for hepatocellular carcinoma显示文摘BACKGROUND: The indocyanine green (ICG) retention test is the most popular liver function test for selecting patients for major hepatectomy. Traditionally, it is done using spectrophotometry with serial blood sampling. The newly- developed pulse spectrophotometry is a faster alternative, but its accuracy on Child-Pugh A cirrhotic patients undergoing hepatectomy for hepatocellular carcinoma has not been well documented. This study aimed to assess the accuracy of the LiMON , one of the pulse spectrophotometry systems, in measuring preoperative ICG retention in these patients and to devise an easy formula for conversion of the results so that they can be compared with classical literature records where ICG retention was measured by the traditional method. METHODS: We measured the liver function of 70 Child-Pugh A cirrhotic patients before hepatectomy for hepatocellular carcinoma from September 2008 to January 2009. ICG retention at 15 minutes measured by traditional spectrophotometry (ICGR15) was compared with ICG retention at 15 minutes measured by the LiMON (ICGR15(L)). RESULTS: The median ICGR15 was 14.7% (5.6%-32%) and the median ICGR15(L) was 10.4% (1.2%-28%). The mean difference between them was -4.3606. There was a strong correlation between ICGR15 and ICGR15(L) (correlation coefficient, 0.844; 95% confidence interval, 0.762-0.899). The following formula was devised: ICGR15=1.16×ICGR15(L)+2.73.CONCLUSIONS: The LiMON provides a fast and repeatable way to measure ICG retention at 15 minutes, but with constant underestimation of the real value. Therefore, when comparing results obtained by traditional spectrophotometry and the LiMON, adjustment of results from the latter is necessary, and this can be done with a simple mathematical calculation using the above formula. | Tan To Cheung See Ching Chan Kenneth SH Chok Albert CY Chan Wan Ching Yu Ronnie TP Poon Chung Mau Lo Sheung Tat Fan | 2012 | Hepatobiliary & Pancreatic Diseases International2012，11，3： | 8 |
| 5 | Survival outcomes of liver transplantation for hepatocellular carcinoma in patients with normal, high and very high preoperative alpha-fetoprotein levels显示文摘AIM To investigate the impact of alpha-fetoprotein(AFP) on long-term recurrence rate and overall survival and we also aimed to define the level of AFP leading to a higher risk of disease recurrence and affecting patient survival.METHODS Data of adult patients who received liver transplant(LT) for hepatocellular carcinoma(HCC) at our hospital from January 2000 to December 2013 were reviewed. Reviewed data included demographic characteristics, preoperative AFP level, operative details, follow-up details, and survival outcomes. Patients were mostly listed for LT based on Milan or UCSF criteria. For the purpose of this study, normal AFP level was defined as AFP value < 10 ng/m L, high AFP level was defined as AFP value ≥ 10 to < 400 ng/m L, and very highAFP level was defined as AFP ≥ 400 ng/m L. The patients were divided into these 3 groups accordingly. Survival rates were plotted as Kaplan-Meier curves and compared by log-rank analysis. Continuous variables were expressed as median(interquartile range). Categorical variables were compared by Spearman's test. Discriminative analysis was used to define the lowest value of AFP that could affect the overall survival in study population. Statistical significance was defined by a P value of < 0.05.RESULTS Totally 250 adult patients underwent LT for HCC in the study period. Eight-four of them received deceaseddonor LT and 166 had living-donor LT. The patients were divided into 3 groups: Group A, AFP < 10 ng/m L(n = 83); Group B, AFP ≥ 10 to < 400 ng/m L(n = 131); Group C, AFP ≥ 400 ng/m L(n = 36). The commonest etiology was hepatitis-B-related cirrhosis. The Model for End-stage Liver Disease scores in these groups were similar(median, 13 vs 13 vs 12; P = 0.745). The time to operation in Group A was longer(median, 94 vs 31 vs 35 d; P = 0.001). The groups were similar in hospital mortality(P = 0.626) and postoperative complication(P = 0.702). Pathology of explants showed that the 3 groups had similar numbers of tumor nodules, but the tumors in Group C were larger(A: 2.5 cm, B: 3.0 cm, C: 4.0 cm; P = 0.003). Group C had a bigger proportion of patients who were beyond Milan criteria(P = 0.010). Poor differentiation and vascular permeation were also more common in this group(P = 0.017 and P = 0.003 respectively). It also had poorer 5-year survival(A: 85.5%, B: 82.4%, C: 66%; P = 0.029). The 5-year disease-free survival was 84.3% in Group A, 80.1% in Group B, and 61.1% in Group C. Receiver operating characteristic area under the curve for AFP in predicting tumor recurrence was 0.685. The selected cut-off value was 54 ng/m L for AFP(C-index 0.685; 95%CI: 0.592-0.779; sensitivity 0.595; specificity 0.687). On discriminative analysis, AFP value of 105 ng/m L was shown to affect the overall survival of the patients.CONCLUSION HCC patients with a high preoperative AFP level had inferior survival after LT. AFP level of 54 ng/m L was associated with disease recurrence, and AFP level of 105 ng/m L was found to be the cut-off value for overall survival difference. | Wong Hoi She Albert Chi Yan Chan Tan To Cheung Chung Mau Lo Kenneth Siu Ho Chok | 2018 | World Journal of Hepatology2018，10，2： | 7 |
| 6 | Survival outcomes of right-lobe living donor liver transplantation for patients with high Model for End-stage Liver Disease scores显示文摘BACKGROUND: Controversy exists over whether living donor liver transplantation (LDLT) should be offered to patients with high Model for End-stage Liver Disease (MELD) scores. This study tried to determine whether a high MELD score would result in inferior outcomes of right-lobe LDLT. METHODS: Among 411 consecutive patients who received right-lobe LDLT at our center, 143 were included in this study. The patients were divided into two groups according to their MELD scores: a high-score group (MELD score ≥25; n=75) and a low-score group (MELD score <25; n=68). Their demographic data and perioperative conditions were compared. Univariable and multivariable analyses were performed to identify risk factors affecting patient survival. RESULTS: In the high-score group, more patients required preoperative intensive care unit admission (49.3% vs 2.9%; P<0.001), mechanical ventilation (21.3% vs 0%; P<0.001), or hemodialysis (13.3% vs 0%; P=0.005); the waiting time before LDLT was shorter (4 vs 66 days; P<0.001); more blood was transfused during operation (7 vs 2 units; P<0.001); patients stayed longer in the intensive care unit (6 vs 3 days; P<0.001) and hospital (21 vs 15 days; P=0.015) after transplantation;more patients developed early postoperative complications (69.3% vs 50.0%; P=0.018); and values of postoperative peak blood parameters were higher. However, the two groups had comparable hospital mortality. Graft survival and patient overall survival at one year (94.7% vs 95.6%; 95.9% vs 96.9%), three years (91.9% vs 92.6%; 93.2% vs 95.3%), and five years (90.2% vs 90.2%; 93.2% vs 95.3%) were also similar between the groups. CONCLUSIONS: Although the high-score group had signifi-cantly more early postoperative complications, the two groups had comparable hospital mortality and similar satisfactory rates of graft survival and patient overall survival. Therefore, a high MELD score should not be a contraindication to right-lobe LDLT if donor risk and recipient benefit are taken into full account. | Kenneth SH Chok See Ching Chan James YY Fung Tan To Cheung Albert CY Chan Sheung Tat Fan Chung Mau Lo | 2013 | Hepatobiliary & Pancreatic Diseases International2013，12，3： | 6 |
| 7 | Acute pancreatitis induced by transarterial chemoembolization:a single-center experience of over 1500 cases显示文摘BACKGROUND: Acute pancreatitis is a relatively rare but potentially lethal complication after transarterial chemotherapy. This study aimed to review the complications such as acute pancreatitis after transarterial chemotherapy with or without embolization for hepatocellular carcinoma.METHODS: A total of 1632 patients with hepatocellular carcinoma who had undergone transarterial chemoembolization from January 2000 to February 2014 in a single-center were reviewed retrospectively. We investigated the potential complications of transarterial chemoembolization, such as acute pancreatitis and acute pancreatitis-related complications.RESULTS: Of the 1632 patients with hepatocellular carcinoma who had undergone 5434 transarterial chemoembolizations, 1328 were male and 304 female. The median age of these patients was 61 years. Most(79.6%) of the patients suffered from HBV-related hepatocellular carcinoma. The median tumor size was 5.2 cm. Of the 1632 patients, 145 patients underwent transarterial chemoembolization with doxorubicin eluting bead, making up a total of 538 episodes. The remaining patients underwent transarterial chemoembolization with cisplatin. Seven(0.4%) patients suffered from acute pancreatitis postchemoembolization. Six patients had chemoembolization with doxorubicin and one had chemoembolization with cisplatin. Patients who received doxorubicin eluting bead had a higher risk of acute pancreatitis [6/145(4.1%) vs 1/1487(0.1%), P<0.0001]. Two patients had anatomical arte-rial variations. Four patients developed acute pancreatitisrelated complications including necrotizing pancreatitis(n=3) and pseudocyst formation(n=1). All of the 4 patients resolved after the use of antibiotics and other conservative treatment. Three patients had further transarterial chemoembolization without any complication.CONCLUSIONS: Acute pancreatitis after transarterial chemoembolization could result in serious complications, especially after treatment with doxorubicin eluting bead. Continuation of current treatment with transarterial chemoembolization after acute pancreatitis is feasible providing the initial attack is completely resolved. | Wong Hoi She Albert CY Chan Tan To Cheung Kenneth SH Chok See Ching Chan Ronnie TP Poon Chung Mau Lo | 2016 | Hepatobiliary & Pancreatic Diseases International2016，15，1： | 6 |
| 8 | Modulation of graft vascular inflow guided by flowmetry and manometry in liver transplantation显示文摘BACKGROUND:Survival of the partial graft after living donor liver transplantation owes much to its tremendous regenerative ability.With excellent venous outflow capacity,a graft within a wide range of graft-to-standard-liver-volume ratios can cope with portal hypertension that is common in liver transplant recipients.However,when the ratio range is exceeded,modulation of graft vascular inflow becomes necessary for graft survival.The interplay between graft-to-standard-liver-volume ratio and portal pressure,in the presence of portosystemic shunt or otherwise,requires individualized modulation of graft portal and arterial inflows.Boosting of portal inflow by shunt ligation can be guided by transonic flowmetry,whereas muting of portal inflow by splenic artery ligation can be monitored by portal electronic manometry.METHOD:We describe four cases to illustrate the above.RESULTS:One patient had hepatic artery thrombosis resulting from splenic artery steal syndrome which was the sequela of small-for-size syndrome.Emergency splenic artery ligation and re-anastomosis of the hepatic artery successfully muted the portal inflow and boosted the hepatic arterial inflow.Another patient with portal vein thrombosis underwent thrombendvenectomy.Portal inflow was boosted with ligation of portosystemic shunt,which is often present in these patients with portal hypertension.The coexistence of splenic aneurysm and splenorenal shunt required ligation of both in the third patient.The fourth patient,with portal pressure and flow monitoring,avoided ligation of a coronary vein which became a main portal inflow after portal thrombendvenectomy.CONCLUSION:Management of graft inflow modulation guided selectively by transonic flowmetry or portal manometry was described. | See Ching Chan Chung Mau Lo Kenneth SH Chok William W Sharr Tan To Cheung Simon HY Tsang Albert CY Chan Sheung Tat Fan | 2011 | Hepatobiliary & Pancreatic Diseases International2011，10，6： | 5 |
| 9 | Mining of epitopes on spike protein of SARS-CoV-2 from COVID-19 patients显示文摘Dear Editor,The ongoing coronavirus disease 2019(COVID-19)pandemic caused by severe acute respiratory syndrome coronavirus-2(SARSCoV-2)is a serious threat to global public health,and is imposing severe burdens on human society.Several candidate vaccines against SARS-CoV-2 are now undergoing clinical trials.The Spike(S)protein of SARS-CoV-2 is widely considered as a promising antigen.However. | Bao-zhong Zhang Ye-fan Hu Lin-lei Chen Thomas Yau Yi-gang Tong Jing-chu Hu Jian-piao Cai Kwok-Hung Chan Ying Dou Jian Deng Xiao-lei Wang Ivan Fan-Ngai Hung Kelvin Kai-Wang To Kwok Yung Yuen Jian-Dong Huang | 2020 | Cell Research2020，30，8： | 5 |
| 10 | A case of laparoscopic hepatectomy for recurrent hepatocellular carcinoma显示文摘Conventional hepatectomy is an effective way to treat hepatocellular carcinoma.However,it is invasive and stressful.The use of laparoscopy in hepatectomy,while technically demanding,reduces surgical invasiveness and stressfulness but still achieves complete resection with adequate margins.Compared with conventional hepatectomy,laparoscopic hepatectomy provides a better chance and situation for further surgery in the case of recurrence of hepatocellular carcinoma.Even aged patients can successfully endure repeated hepatectomy using laparoscopy,as shown in the present report.This report presents a case of repeated laparoscopic hepatectomy treating hepatocellular carcinoma and its recurrence in an aged patient having cirrhosis,a disease causing extra difficulty for performing laparoscopic hepatectomy.The report also describes techniques of the operation and displays characteristic results of laparoscopic hepatectomy such as smaller wounds,less blood loss,less pain,less scars and adhesion,shorter postoperative hospital stay,and faster recovery. | Tan To Cheung Kelvin Kwok-chai Ng Ronnie Tung-ping Poon See Ching Chan Chung Mau Lo Sheung Tat Fan | 2010 | World Journal of Gastroenterology2010，16，4： | 5 |
| 11 | Cell cycle-related kinase reprograms the liver immune microenvironment to promote cancer metastasis显示文摘The liver is an immunologically tolerant organ and a common metastatic site of multiple cancer types.Although a role for cancer cell invasion programs has been well characterized,whether and how liver-intrinsic factors drive metastatic spread is incompletely understood.Here,we show that aberrantly activated hepatocyte-intrinsic cell cycle-related kinase(CCRK)signaling in chronic liver diseases is critical for cancer metastasis by reprogramming an immunosuppressive microenvironment.Using an inducible liverspecific transgenic model,we found that CCRK overexpression dramatically increased both B16F10 melanoma and MC38 colorectal cancer(CRC)metastasis to the liver,which was highly infiltrated by polymorphonuclear-myeloid-derived suppressor cells(PMNMDSCs)and lacking natural killer T(NKT)cells.Depletion of PMN-MDSCs in CCRK transgenic mice restored NKT cell levels and their interferon gamma production and reduced liver metastasis to 2.7% and 0.7%(metastatic tumor weights)in the melanoma and CRC models,respectively.Mechanistically,CCRK activated nuclear factor-kappa B(NF-κB)signaling to increase the PMN-MDSC trafficking chemokine C-X-C motif ligand 1(CXCL1),which was positively correlated with liver-infiltrating PMN-MDSC levels in CCRK transgenic mice.Accordingly,CRC liver metastasis patients exhibited hyperaaivation of hepatic CCRK/NF-κB/CXCL1 signaling,which was associated with accumulation of PMN-MDSCs and paucity of NKT cells compared to healthy liver transplantation donors.In summary,this study demonstrates that immunosuppressive reprogramming by hepatic CCRK signaling undermines antimetastatic immunosurveillance.Our findings offer new mechanistic insights and therapeutic targets for liver metastasis intervention. | Xuezhen Zeng Jingying Zhou Zhewen Xiong Hanyong Sun Weiqin Yang Myth T.S.Mok Jing Wang Jingqing Li Man Liu Wenshu Tang Yu Feng Hector Kwong-Sang W ang Shun-Wa Tsang King-Lau Chow Philip Chun Yeung John Wong Paul Bo-San Lai Anthony Wing-Hung Chan Ka Fai To Stephen Lam Chan Qiang Xia Jing Xue Xiao Chen Jun Yu Sui Peng Joseph Jao-Yiu Sung Ming Kuang Alfred Sze-Lok Cheng | 2021 | Cellular & Molecular Immunology2021，18，4： | 5 |
| 12 | Clinical significance of hepatic derangement in severe acute respiratory syndrome显示文摘AIM: Elevation of alanine aminotransferase (ALT) level is commonly seen among patients suffering from severe acute respiratory syndrome (SARS). We report the progression and clinical significance of liver derangement in a large cohort of SARS patient.METHODS: Serial assay of serum ALT was followed in patients who fulfilled the WHO criteria of SARS. Those with elevated ALT were compared with those with normal liver functions for clinical outcome. Serology for hepatitis B virus (HBV) infection was checked. Adverse outcomes were defined as oxygen desaturation, need of intensive care unit (ICU) and mechanical ventilation and death.RESULTS: Two hundred and ninety-four patients were included in this study. Seventy (24%) patients had elevated serum ALT on admission and 204 (69%) patients had elevated ALT during the subsequent course of illness. Using peak ALT >5×ULN as a cut-off and after adjusting for potential confounding factors, the odds ratio of peak ALT>5x ULN for oxygen desaturation was 3.24 (95%CI 1.23-8.59, P = 0.018), ICU care was 3.70 (95% CI 1.38-9.89, P = 0.009), mechanical ventilation was 6.64 (95%CI 2.22-19.81, P = 0.001) and death was 7.34(95%CI 2.28-24.89, P = 0.001). Ninety-three percent of the survived patients had ALT levels normalized or were on the improving trend during follow-up. Chronic hepatitis B was not associated with worse clinical outcomes.CONCLUSION: Reactive hepatitis is a common complication of SARS-coronavirus infection. Those patients with severe hepatitis had worse clinical outcome. | Henry Lik-Yuen Chan Ambrose Chi-Pong Kwan Ka-Fai To Sik-To Lai Paul Kay-Sheung Chan Wai-Keung Leung Nelson Lee Alan Wu Joseph Jao-Yiu Sung | 2005 | World Journal of Gastroenterology2005，11，14： | 4 |
| 13 | Surgical Outcomes in Hepatocellular Carcinoma Patients with Portal Vein Tumor Thrombosis显示文摘 | Kenneth S. H. Chok Tan To Cheung See Ching Chan Ronnie T. P. Poon Sheung Tat Fan Chung Mau Lo | 2014 | World Journal of Surgery2014，，2： | 4 |
| 14 | Entecavir Monotherapy Is Effective in Suppressing Hepatitis B Virus After Liver Transplantation显示文摘 | James Fung Cindy Cheung See–Ching Chan Man–Fung Yuen Kenneth S.H. Chok William Sharr Wing–Chiu Dai Albert C.Y. Chan Tan–To Cheung Simon Tsang Banny Lam Ching–Lung Lai Chung–Mau Lo | 2011 | Gastroenterology2011，，4： | 3 |
| 15 | Outcome analysis of management of liver trauma: A 10-year experience at a trauma center显示文摘AIM: To review the outcomes of liver trauma in patients with hepatic injuries only and in patients with associated injuries outside the liver.METHODS: Data of liver trauma patients presented to our center from January 2003 to October 2013 were reviewed. The patients were divided into two groups. Group 1 consisted of patients who had hepatic injuries only. Group 2 consisted of patients who also had associated injuries outside the liver.RESULTS: Seven(30.4%) patients in group 1 and 10(28.6%) patients in group 2 received non-operative management; the rest underwent operation. Blunt trauma occurred in 82.8%(48/58) of the patients and penetrative trauma in 17.2%(10/58). A higher injury severity score(ISS) was observed in group 2(median 45 vs 25, P < 0.0001). More patients in group 1 were hemodynamically stable(65.2% vs 37.1%, P = 0.036). Other parameters were comparable between groups. Group 1 had better 30-d survival(91.3% vs 71.4%, P = 0.045). On multivariate analysis using the logistic regression model, ISS was found to be associated with mortality(P = 0.004, hazard ratio = 1.035, 95%CI:CONCLUSION: Liver trauma patients with multiple injuries are relatively unstable on presentation. Despite a higher ISS in group 2, non-operative management was possible for selected patients. Associated injuries outside the liver usually account for morbidity and mortality. | Wong Hoi She Tan To Cheung Wing Chiu Dai Simon HY Tsang Albert CY Chan Daniel KH Tong Gilberto KK Leung Chung Mau Lo | 2016 | World Journal of Hepatology2016，8，15： | 3 |
| 16 | Survival analysis of breast cancer liver metastasis treated by hepatectomy: A propensity score analysis for Chinese women in Hong Kong显示文摘Background: Survival of patients with breast cancer liver metastasis is very poor. This study aimed to analyze the survival outcome of hepatectomy for this patient population. Methods: From January 1995 to December 2014, 2522 patients with liver cancer received hepatectomy at our hospital. Twenty-one of them, all female, received the operation for breast cancer liver metastasis. Performance was compared with patients with colorectal liver metastasis treated with hepatectomy after propensity score analysis in a ratio of 1:3. Results: Twenty-one patients received hepatectomy for breast cancer. After propensity score matching, 63 patients who had hepatectomy for colorectal cancer were selected for comparison. There was no significant difference in immediate or short-term outcomes between the two groups of patients in terms of operative time, blood loss and surgical morbidities. All patients with breast cancer had R0 resection. No hospital death occurred. After hepatectomy, the 1-, 3- and 5-year overall survival rates were 100.0%, 58.9% and 58.9% respectively in patients with breast cancer. The 1-, 3- and 5-year overall survival rates were 95.0%, 57.2% and 39.7% respectively in patients with colorectal cancer (P = 0.572). On multivariate analysis, triple negative status was the only independent poor prognostic factor in breast cancer liver metastasis (OR = 6.411;95% CI: 1.351–30.435;P = 0.019). Conclusions: Hepatectomy is a safe and effective way of treating breast cancer liver metastasis at experienced centers where multidisciplinary adjuvant treatments are available. It can be considered more frequently as part of the multidisciplinary care for this patient population. | Tan To Cheung Kenneth SH Chok Albert CY Chan Simon HY Tsang Wing Chiu Dai Thomas CC Yau Ava Kwong Chung Mau Lo | 2019 | Hepatobiliary & Pancreatic Diseases International2019，18，5： | 3 |
| 17 | Initial experience with stereotactic body radiotherapy for intrahepatic hepatocellular carcinoma recurrence after liver transplantation显示文摘BACKGROUND Graft hepatocellular carcinoma(HCC)recurrence after liver transplant is more frequently encountered.Graft hepatectomy is technically challenging and is associated with high morbidity.Stereotactic body radiation therapy(SBRT)has been shown to be safe and effective for the treatment of primary HCC.However,its role in HCC recurrence in a liver graft remains unclear.AIM To evaluate the safety and efficacy of SBRT for the treatment of graft HCC recurrence after liver transplantation.METHODS A retrospective study was conducted.From 2012 to 2018,6 patients with intrahepatic HCC recurrence after liver transplant were treated with SBRT at Queen Mary Hospital,the University of Hong Kong.The primary outcome was time to overall disease progression and secondary outcomes were time to local progression and best local response,as assessed with the Modified response Evaluation Criteria for Solid Tumours criteria.Patients were monitored for treatment related toxicities and graft dysfunction.RESULTS A total of 9 treatment courses were given for 13 tumours.The median tumour size was 2.3 cm(range 0.7-3.6 cm).Two(22%)patients had inferior vena cava tumour thrombus.The best local treatment response was:5(55%)complete response,1(11%)partial response and 3(33%)stable disease.After a median follow up duration of 15.5 mo,no local progression or mortality was yet observed.The median time to overall disease progression was 6.5 mo.There were 6 regional progression in the liver graft(67%)and 2 distant progression in the lung(22%).There was no grade 3 or above toxicity and there was no graft dysfunction after SBRT.CONCLUSION SBRT appears to be safe in this context.Regional progression is the mode of failure. | Kin Pan Au Chi Leung Chiang Albert Chi Yan Chan Tan To Cheung Chung Mau Lo Kenneth Siu Ho Chok | 2020 | World Journal of Clinical Cases2020，8，13： | 3 |
| 18 | High-intensity focused ultrasound ablation as a bridging therapy for hepatocellular carcinoma patients awaiting liver transplantation显示文摘The scarcity of liver grafts in Asia leads to a significant dropout of patients from liver transplant waiting lists, particularly patients with hepatocellular carcinoma and a low model for end-stage liver disease score. In order to reduce dropping out, different bridging therapies are employed. We report the use of high-intensity focused ultrasound ablation as a bridging therapy for a patient with hepatocellular carcinoma of stage two and an extremely low platelet count (20×10 9 /L). The ablation was successful. Blood tests showed that his liver function was similar before and after the treatment. No adhesion was encountered in the liver transplantation performed six months later. | Tan To Cheung Kenneth SH Chok Regina CL Lo William W Sharr See Ching Chan Ronnie TP Poon Sheung Tat Fan Chung Mau Lo | 2012 | Hepatobiliary & Pancreatic Diseases International2012，11，5： | 3 |
| 19 | Impact of small-for-size liver grafts on medium-term and long-term graft survival in living donor liver transplantation: A meta-analysis显示文摘BACKGROUND Small-for-size grafts (SFSGs) in living donor liver transplantation (LDLT) could optimize donor postoperative outcomes and also expand the potential donor pool. Evidence on whether SFSGs would affect medium-term and long-term recipient graft survival is lacking. AIM To evaluate the impact of small-for-size liver grafts on medium-term and longterm graft survival in adult to adult LDLT. METHODS A systematic review and meta-analysis were performed by searching eligible studies published before January 24, 2019 on PubMed, EMBASE, and Web of Science databases. The primary outcomes were 3-year and 5-year graft survival. Incidence of small-for-size syndrome and short term mortality were also extracted. RESULTS This meta-analysis is reported according to the guidelines of the PRISMA 2009 Statement. Seven retrospective observational studies with a total of 1821 LDLT recipients were included in the meta-analysis. SFSG is associated with significantly poorer medium-term graft survival. The pooled odds ratio for 3-year graft survival was 1.58 [95% confidence interval 1.10-2.29, P = 0.014]. On the other hand, pooled results of the studies showed that SFSG had no significant discriminatory effect on 5-year graft survival with an odds ratio of 1.31 (95% confidence interval 0.87-1.97, P = 0.199). Furthermore, incidence of small-for-size syndrome detected in recipients of SFSG ranged from 0-11.4% in the included studies. CONCLUSION SFSG is associated with inferior medium-term but not long-term graft survival. Comparable long-term graft survival based on liver graft size shows that smaller grafts could be accepted for LDLT with appropriate flow modulatory measures. Close follow-up for graft function is warranted within 3 years after liver transplantation. | Ka Wing Ma Kelly Hiu Ching Wong Albert Chi Yan Chan Tan To Cheung Wing Chiu Dai James Yan Yue Fung Wong Hoi She Chung Mau Lo Kenneth Siu Ho Chok | 2019 | World Journal of Gastroenterology2019，25，36： | 3 |
| 20 | Long-Term Survival Analysis of Pure Laparoscopic Versus Open Hepatectomy for Hepatocellular Carcinoma in Patients With Cirrhosis: A Single-Center Experience显示文摘 | Tan To Cheung Ronnie T. P. Poon Wai Key Yuen Kenneth S. H. Chok Caroline R. Jenkins See Ching Chan Sheung Tat Fan Chung Mau Lo | 2013 | Annals of Surgery2013，，3： | 3 |
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