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Background@#/Aim: Gadolinium-ethoxybenzyl-diethylenetriamine pentaacetic acid-enhanced magnetic resonance imaging (EOBMRI) further enhances the identification of additional hepatic nodules compared with computed tomography (CT) alone; however, the optimal treatment for such additional nodules remains unclear. We investigated the long-term oncological effect of aggressive treatment strategies for additional lesions identified using EOB-MRI in patients with hepatocellular carcinoma (HCC). @*Methods@#Data from 522 patients diagnosed with solitary HCC using CT between January 2008 and December 2012 were retrospectively reviewed. Propensity score-matched (PSM) analysis was used to compare the oncologic outcomes between patients with solitary HCC and those with additional nodules on EOB-MRI after aggressive treatment (resection or radiofrequency ablation [RFA]). @*Results@#Among the 383 patients included, 59 had additional nodules identified using EOB-MRI. Compared with patients with solitary HCC, those with additional nodules on EOB-MRI had elevated total bilirubin, aspartate transaminase, and alanine transaminase; had a lower platelet count, higher MELD score, and highly associated with liver cirrhosis (P<0.05). Regarding long-term outcomes, 59 patients with solitary HCC and those with additional nodules after PSM were compared. Disease-free survival (DFS) and overall survival (OS) were comparable between the two groups (DFS, 60.4 vs. 44.3 months, P=0.071; OS, 82.8 vs. 84.8 months, P=0.986). @*Conclusion@#The aggressive treatment approach, either resection or RFA, for patients with additional nodules identified on EOBMRI was associated with long-term survival comparable with that for solitary HCC. However, further studies are required to confirm these findings.
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Gastrointestinal stromal tumors (GISTs) are rare mesenchymal tumors derived from precursors of the interstitial cells of Cajal that commonly arise from the stomach or small intestine. These tumors usually contain KIT and/or PDGFRA mutations, which encode type III receptor tyrosine kinases. Approximately 10% of GISTs originate from sites other than the gastrointestinal tract, such as the mesentery, urinary bladder, retroperitoneum, pancreas, gallbladder, and liver. These tumors are hypothesized to originate from interstitial Cajal-like cells or undifferentiated pluripotent mesenchymal cells outside the gastrointestinal tract. Primary hepatic GISTs are rare, with most hepatic GISTs being secondary.Here, we report the case of a 69-year-old woman with a rare primary hepatic GIST. The hepatic GIST, measuring 13.5 cm, was incidentally discovered in the right liver lobe and exhibited heterogeneous arterial phase hyperenhancement, washout, diffusion restriction, low signal intensity in the hepatobiliary phase, intratumoral hemorrhage, necrosis, and fluid-fluid levels. Imaging revealed no evidence of extrahepatic primary lesions. GIST was pathologically confirmed via percutaneous biopsy and subsequent surgical resection.Despite adjuvant imatinib therapy, the tumor recurred with peritoneal seeding 15 months postoperatively.
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Purpose@#The aim of the present study was to evaluate the per-lesion sensitivity and specificity of the Korean Liver Cancer Association–National Cancer Center (KLCA-NCC) 2022 criteria for the noninvasive diagnosis of hepatocellular carcinoma (HCC), with intraindividual comparison of the diagnostic performance of magnetic resonance imaging with extracellular agents (ECA-MRI) and hepatobiliary agents (HBA-MRI). @*Materials and Methods@#Patients at high risk for HCC who were referred to a tertiary academic institution for hepatic lesions with size ≥ 10 mm between July 2019 and June 2022 were enrolled. A total of 91 patients (mean age, 58.1 years; 76 men and 15 women) with 118 lesions who underwent both ECA-MRI and HBA-MRI were eligible for final analysis. The per-lesion sensitivities and specificities of the KLCA-NCC 2022 criteria using ECA-MRI and HBA-MRI were compared using McNemar’s test. @*Results@#The 118 lesions were 93 HCCs, 4 non-HCC malignancies, and 21 benign lesions. On HBA-MRI, the “definite” HCC category showed significantly higher sensitivity than ECA-MRI (78.5% vs. 58.1%, p 0.999). For “probable” or “definite” HCC categories, there were no differences in the sensitivity (84.9% vs. 84.9%, p > 0.999) and specificity (84.0% vs. 84.0%, p > 0.999) between ECA-MRI and HBA-MRI. @*Conclusion@#The “definite” HCC category of the KLCA-NCC 2022 criteria showed higher sensitivity in diagnosing HCC on HBA-MRI compared with ECA-MRI, without compromising specificity. There were no significant differences in the sensitivity and specificity of “probable” or “definite” HCC categories according to ECA-MRI and HBA-MRI.
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Background/aims@#Circulating tumor cells (CTCs) with cancer stemness have been demonstrated to be a direct cause of tumor recurrence, and only few studies have reported the role of CTCs in liver transplantation (LT) for hepatocellular carcinoma (HCC). @*Methods@#Epithelial cell adhesion molecule+ (EpCAM+), cluster of differentiation 90+ (CD90+) and EpCAM+/CD90+ CTCs were sorted via fluorescence-activated cell sorting, and transcripts level of EpCAM, K19 and CD90 in the peripheral blood were analyzed via real-time polymerase chain reaction preoperatively and on postoperative days 1 and 7 in 25 patients who underwent living donor liver transplantation (LDLT) for HCC. EpCAM protein was assessed in HCC tissue using immunohistochemical staining. The median follow-up duration was 40 months. @*Results@#HCC after LDLT recurred in four out of 25 patients. Detection of EpCAM+ or CD90+ CTCs correlated well with their messenger RNA levels (p100 mAU/mL and postoperative day 1 EpCAM+/CD90+ CTCs were independent risk factors for HCC recurrence (hazard ratio, 14.64; 95% confidence interval, 1.08 to 198.20; p=0.043 and hazard ratio, 26.88; 95% confidence interval, 1.86 to 387.51; p=0.016, respectively). @*Conclusions@#EpCAM+/CD90+ CTCs can be used preoperatively and 1 day after LDLT as key biological markers in LT candidate selection and post-LDLT management.
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Background/Aims@#This study aimed to investigate whether everolimus (EVR) affects long-term survival after liver transplantation (LT) in patients with hepatocellular carcinoma (HCC). @*Methods@#The data from 303 consecutive patients with HCC who had undergone LT from January 2012 to July 2018 were retrospectively reviewed. The patients were divided into two groups: 1) patients treated with EVR in combination with calcineurin inhibitors (CNIs) (EVR group; n=114) and 2) patients treated with CNI-based therapy without EVR (non-EVR group; n=189). Time to recurrence (TTR) and overall survival (OS) after propensity score (PS) matching were compared between the groups, and prognostic factors for TTR and OS were evaluated. @*Results@#The EVR group exhibited more aggressive tumor biology than the non-EVR group, such as a higher number of tumors (P=0.003), a higher prevalence of microscopic vascular invasion (P=0.017) and exceeding Milan criteria (P=0.029). Compared with the PS-matched non-EVR group, the PS-matched EVR group had significantly better TTR (P<0.001) and OS (P<0.001). In multivariable analysis, EVR was identified as an independent prognostic factor for TTR (hazard ratio [HR], 0.248; P=0.001) and OS (HR, 0.145; P<0.001). @*Conclusions@#Combined with CNIs, EVR has the potential to prolong long-term survival in patients undergoing LT for HCC. These findings warrant further investigation in a well-designed prospective study.
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Hepatocellular carcinoma (HCC) primarily originates in the liver with hepatic differentiation. However, HCCs are not homogenous, and approximately 35% of HCC cases are classified as histopathological variants that present distinct pathologic characteristics. In particular, the lymphocyte-rich variant is the rarest subtype accounting for less than 1% of HCCs, which is not well known to date about molecular features and pathophysiology. Herein, we present a case of a patient who was suspected of metastatic liver cancer and confirmed as lymphocyte-rich HCC pathologically. A 78-year-old woman who underwent a right hemicolectomy for colon cancer was referred to our hospital for a newly detected liver mass. We could not make a decision because of insufficient evidence for diagnosis from imaging studies. After resection, we found that it was a lymphocyte-rich HCC. The pathologic features and prognostic trends of this subtype are also discussed.
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Hepatocellular carcinoma (HCC) with distant metastasis is an absolute contraindication for liver transplantation (LT). However, it is still unclear whether LT is feasible or acceptable in such patients, albeit after being treated with a multidisciplinary approach and after any metastatic lesion is ruled out. We report one such successful treatment with living donor LT (LDLT) after completely controlling far-advanced HCC with inferior vena cava tumor thrombosis and multiple lung metastases. The patient has been doing well without HCC recurrence for eight years since LDLT. The current patient could be an anecdotal case, but provides a case for expanding LDLT indications in the context of advanced HCC and suchlike.
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Background/Aims@#This study aimed to investigate whether everolimus (EVR) affects long-term survival after liver transplantation (LT) in patients with hepatocellular carcinoma (HCC). @*Methods@#The data from 303 consecutive patients with HCC who had undergone LT from January 2012 to July 2018 were retrospectively reviewed. The patients were divided into two groups: 1) patients treated with EVR in combination with calcineurin inhibitors (CNIs) (EVR group; n=114) and 2) patients treated with CNI-based therapy without EVR (non-EVR group; n=189). Time to recurrence (TTR) and overall survival (OS) after propensity score (PS) matching were compared between the groups, and prognostic factors for TTR and OS were evaluated. @*Results@#The EVR group exhibited more aggressive tumor biology than the non-EVR group, such as a higher number of tumors (P=0.003), a higher prevalence of microscopic vascular invasion (P=0.017) and exceeding Milan criteria (P=0.029). Compared with the PS-matched non-EVR group, the PS-matched EVR group had significantly better TTR (P<0.001) and OS (P<0.001). In multivariable analysis, EVR was identified as an independent prognostic factor for TTR (hazard ratio [HR], 0.248; P=0.001) and OS (HR, 0.145; P<0.001). @*Conclusions@#Combined with CNIs, EVR has the potential to prolong long-term survival in patients undergoing LT for HCC. These findings warrant further investigation in a well-designed prospective study.
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Hepatocellular carcinoma (HCC) primarily originates in the liver with hepatic differentiation. However, HCCs are not homogenous, and approximately 35% of HCC cases are classified as histopathological variants that present distinct pathologic characteristics. In particular, the lymphocyte-rich variant is the rarest subtype accounting for less than 1% of HCCs, which is not well known to date about molecular features and pathophysiology. Herein, we present a case of a patient who was suspected of metastatic liver cancer and confirmed as lymphocyte-rich HCC pathologically. A 78-year-old woman who underwent a right hemicolectomy for colon cancer was referred to our hospital for a newly detected liver mass. We could not make a decision because of insufficient evidence for diagnosis from imaging studies. After resection, we found that it was a lymphocyte-rich HCC. The pathologic features and prognostic trends of this subtype are also discussed.
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Hepatocellular carcinoma (HCC) with distant metastasis is an absolute contraindication for liver transplantation (LT). However, it is still unclear whether LT is feasible or acceptable in such patients, albeit after being treated with a multidisciplinary approach and after any metastatic lesion is ruled out. We report one such successful treatment with living donor LT (LDLT) after completely controlling far-advanced HCC with inferior vena cava tumor thrombosis and multiple lung metastases. The patient has been doing well without HCC recurrence for eight years since LDLT. The current patient could be an anecdotal case, but provides a case for expanding LDLT indications in the context of advanced HCC and suchlike.
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PURPOSE@#Major liver resection and radical lymph node dissection has been accepted as a definite treatment of choice for hilar cholangiocarcinoma (HC). However, the perioperative and survival outcomes of right hemihepatectomy (RH) and left hemihepatectomy (LH) still remain controversial. Thus, this study aimed to compare the surgical and oncological outcomes of RH and LH in HC patients.@*METHODS@#From January 2000 to January 2018, a total of 326 patients underwent surgical resection for HC at Yonsei University College of Medicine in Seoul, Korea. Among the 326 patients, we excluded 130 patients and selected 196 patients, who underwent hemihepatectomy with caudate lobectomy. Among these 196 patients, 114 patients underwent RH, and 82 patients underwent LH. We compared the clinicopathological features as well as the surgical and oncologic outcomes of the RH and LH groups.@*RESULTS@#There were no significant differences in disease-free survival (P = 0.473) or overall survival (P = 0.946) in the RH and LH groups. The LH group had fewer complications compared with the RH group, including postoperative ascites (RH: 15 [13.2%] vs. LH: 3 [3.7%], P = 0.023); however, the LH group had more bile leakage complications (RH: 5 [4.4%] vs. LH: 12 [14.6%], P = 0.012). The average time lag from portal vein embolization to operation was 25.80 ± 12.06 days (n = 45). There was no difference in postoperative liver failure (P = 0.402), although there were significantly more frequent ascites after RH (P = 0.023).@*CONCLUSION@#LH might be a good alternative option for the surgical treatment of HC given appropriate tumor location and biliary anatomy indications.
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PURPOSE@#Unplanned conversion is sometimes necessary during minimally invasive liver resection (MILR) of hepatocellular carcinoma (HCC). The aims of this study were to compare surgical outcomes of planned MILR and unplanned conversion and to investigate the risk factors after unplanned conversion.@*METHODS@#We retrospectively analyzed 286 patients who underwent MILR with HCC from January 2006 to December 2017. All patients were divided into a MILR group and an unplanned conversion group. The clinicopathologic characteristics and outcomes were compared between the 2 groups. In addition, surgical outcomes in the conversion group were compared with the planned open surgery group (n = 505). Risk factors for unplanned conversion were analyzed.@*RESULTS@#Of the 286 patients who underwent MILR, 18 patients (6.7%) had unplanned conversion during surgery. The unplanned conversion group showed statistically more blood loss, higher transfusion rate and postoperative complication rate, and longer hospital stay compared to the MILR group, whereas no such difference was observed in comparison with the planned open surgery group. There were no significant differences in overall and disease-free survival among 3 groups. The right-sided sectionectomy (right anterior and posterior sectionectomy), central bisectionectomy and tumor size were risk factors of unplanned conversion.@*CONCLUSION@#Unplanned conversion during MILR for HCC was associated with poor perioperative outcomes, but it did not affect long-term oncologic outcomes in our study. In addition, when planning right-sided sectionectomy or central bisectionectomy for a large tumor (more than 5 cm), we should recommend open surgery or MILR with an informed consent for unplanned open conversions.
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PURPOSE@#The risk of posthepatectomy liver failure (PHLF) after right hepatectomy remains substantial. Additional parameters such as computed tomography volumetry, liver stiffness measurement by FibroScan, indocyanine green retention rate at 15 minutes, and platelet count used to properly assess future liver remnant volume quality and quantity are of the utmost importance. Thus, we compared the usefulness of these modalities for predicting PHLF among patients with hepatocellular carcinoma after right hepatectomy.@*METHODS@#We retrospectively reviewed patients who underwent right hepatectomy for hepatocellular carcinoma between 2007 and 2013. PHLF was determined according to International Study Group of Liver Surgery consensus definition and severity grading. Grades B and C were defined as clinically relevant posthepatectomy liver failure (CRPHLF). The results were internally validated using a cohort of 97 patients.@*RESULTS@#Among the 90 included patients, 15 (16.7%) had CRPHLF. Multivariate analysis confirmed that platelet count < 140 (109/L) (hazard ratio [HR], 24.231; 95% confidence interval [CI], 3.623–161.693; P = 0.001) and remnant liver volume-to-body weight (RVL/BW) ratio < 0.55 (HR, 25.600; 95% CI, 4.185–156.590; P < 0.001) were independent predictors of CRPHLF. Among the 12 patients with a platelet count < 140 (109/L) and RLV/BW ratio < 0.55, 9 (75%) had CRPHLF. Likewise, 5 of 38 (13.2%) with only one risk factor developed CRPHL versus 1 of 40 (2.5%) with no risk factors. These findings were confirmed by the validation cohort.@*CONCLUSION@#RLV/BW ratio and platelet count are more important than the conventional RLV/TFLV, indocyanine green retention rate at 15 minutes, and liver stiffness measurement in the preoperative risk assessment for CRPHLF.
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Background/Aims@#To investigate whether serum Wisteria floribunda agglutinin-positive human Mac-2-binding protein (WFA+-M2BP) can predict the recurrence of hepatitis B virus (HBV)-related hepatocellular carcinoma (HCC) after curative resection. @*Methods@#Patients with chronic hepatitis B (CHB) who underwent curative resection for HCC between 2004 and 2015 were eligible for the study. Recurrence was sub-classified as early (2.14 experienced recurrence more frequently than those with a WFA+-M2BP level ≤2.14 (P=0.011 by log-rank test), and had poorer postoperative outcomes than those with a WFA+-M2BP level ≤2.14 in terms of overall recurrence (56.0 vs. 34.5%, P=0.047) and early recurrence (52.0 vs. 20.7%, P=0.001). @*Conclusions@#WFA+-M2BP level is an independent predictive factor of HBV-related HCC recurrence after curative resection. Further studies should investigate incorporation of WFA+-M2BP level into tailored postoperative surveillance strategies for patients with CHB.
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BACKGROUND/AIMS: Lysyl oxidase-like 2 (LOXL2), a collagen-modifying enzyme, has been implicated in cancer invasiveness and metastasis. METHODS: We evaluated the expression of LOXL2 protein, in addition to carbonic anhydrase IX (CAIX), keratin 19, epithelial cell adhesion molecule, and interleukin 6, in 105 resected hepatocellular carcinomas (HCCs) by immunohistochemistry. RESULTS: LOXL2 positivity was found in 14.3% (15/105) of HCCs, and it was significantly associated with high serum α-fetoprotein levels, poor differentiation, fibrous stroma, portal vein invasion, and advanced TNM stage (p < 0.05 for all). Additionally, LOXL2 positivity was significantly associated with CAIX (p=0.005) and stromal interleukin 6 expression (p=0.001). Survival analysis of 99 HCC patients revealed LOXL2 positivity to be a poor prognostic factor; its prognostic impact appeared in progressed HCCs. Furthermore, LOXL2 positivity was shown to be an independent predictor of overall survival and disease-specific survival (p < 0.05 for all). Interestingly, co-expression of LOXL2 and CAIX was also an independent predictor for overall survival, disease-specific survival, disease-free survival, and extrahepatic recurrence-free survival (p < 0.05 for all). CONCLUSIONS: LOXL2 expression represents a subgroup of HCCs with more aggressive behavior and is suggested to be a poor prognostic marker in HCC patients.
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Humanos , Anidrases Carbônicas , Carcinoma Hepatocelular , Intervalo Livre de Doença , Células Epiteliais , Matriz Extracelular , Imuno-Histoquímica , Interleucina-6 , Queratina-19 , Metástase Neoplásica , Veia Porta , PrognósticoRESUMO
BACKGROUND: To prevent bile duct related complications, exact division of donor bile duct is essential, not only for the recipient, but also for the donor during living donor liver transplantation. Cholangiography has been used for bile duct division during living donor right hemihepatectomy. This study was conducted to determine if bile duct probe could be used to replace cholangiography for bile duct division during living donor right hemihepatectomy. METHODS: Surgical outcomes of 234 donors with right hemihepatectomy and duct to duct biliary anastomosis in living donor liver transplantation between January 2009 and December 2014 were retrospectively analyzed. A total of 85 donors used the bile duct probe for bile duct division during the right hemihepatectomy, whereas 149 donors used cholangiography. All donors underwent preoperative magnetic resonance cholangiopancreatography (MRCP). RESULTS: The expected number of bile duct orifices based on MRCP did not differ significantly from the observed number of bile duct orifices after bile duct division (10 donors and five donors in each group were mismatched, P=0.238). The operation time was 384.7 minutes in the probe group, which was significantly shorter than that of the cholangiography group (400.4 minutes, P=0.041). CONCLUSIONS: Bile duct probing without intraoperative cholangiography might be a feasible procedure for bile duct division during living donor hemihepatectomy.
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Humanos , Ductos Biliares , Bile , Colangiografia , Colangiopancreatografia por Ressonância Magnética , Transplante de Fígado , Doadores Vivos , Complicações Pós-Operatórias , Estudos Retrospectivos , Doadores de TecidosRESUMO
BACKGROUND: Duct-to-duct anastomosis is the most common biliary reconstruction method in living donor liver transplantation. However, biliary complications can frequently occur. The objective of this study was to examine biliary complications and related risk factors of patients with living donor liver transplantation during the last 12 years in our institution. METHODS: Surgical outcomes of 252 consecutive patients with duct-to-duct anastomosis for biliary reconstruction in living donor liver transplantation between December 2000 and July 2012 were analyzed retrospectively. RESULTS: Among the 252 patients, there were 65 cases (25.8%) of biliary complications. Before 2010, the incidence of biliary complications was 30.4% (56 of 184 cases). After 2011, the incidence was significantly (P<0.05) decreased to 13.2% (nine out of 68 cases). The complication rate of anastomosis of two separated bile ducts of graft to recipient two separated bile ducts using cystic duct and common bile duct of recipient was 50% (10 out of 20), which was relatively higher compared to that of single to single duct anastomosis (47 out of 191, 24.6%) or multiple duct to single duct anastomosis (eight out of 41, 19.5%). CONCLUSIONS: Duct to duct anastomosis between two separated bile ducts of a graft to two separated bile ducts of a recipient, the most common biliary reconstruction method, was associated with higher rate of biliary complications. Complications related to biliary reconstruction of living donor liver transplantation was gradually decreased. Standardization of bile duct anastomosis might lead to sequential reduction of biliary complications in living donor liver transplantations.
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Humanos , Ductos Biliares , Ducto Colédoco , Ducto Cístico , Incidência , Transplante de Fígado , Fígado , Doadores Vivos , Complicações Pós-Operatórias , Estudos Retrospectivos , Fatores de Risco , TransplantesRESUMO
Locally advanced hepatocellular carcinoma (HCC) with portal vein thrombosis carries a 1-year survival rate <10%. Localized concurrent chemoradiotherapy (CCRT), followed by hepatic arterial infusion chemotherapy (HAIC), was recently introduced in this setting. Here, we report our early experience with living donor liver transplantation (LDLT) in such patients after successful down-staging of HCC through CCRT and HAIC. Between December 2011 and September 2012, eight patients with locally advanced HCC at initial diagnosis were given CCRT, followed by HAIC, and underwent LDLT at the Severance Hospital, Seoul, Korea. CCRT [45 Gy over 5 weeks with 5-fluorouracil (5-FU) as HAIC] was followed by HAIC (5-FU/cisplatin combination every 4 weeks for 3-12 months), adjusted for tumor response. Down-staging succeeded in all eight patients, leaving no viable tumor thrombi in major vessels, although three patients first underwent hepatic resections. Due to deteriorating liver function, transplantation was the sole therapeutic option and offered a chance for cure. The 1-year disease-free survival rate was 87.5%. There were three instances of post-transplantation tumor recurrence during follow-up monitoring (median, 17 months; range, 10-22 months), but no deaths occurred. Median survival time from initial diagnosis was 33 months. Four postoperative complications recorded in three patients (anastomotic strictures: portal vein, 2; bile duct, 2) were resolved through radiologic interventions. Using an intensive tumor down-staging protocol of CCRT followed by HAIC, LDLT may be a therapeutic option for selected patients with locally advanced HCC and portal vein tumor thrombosis.
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Adulto , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Carcinoma Hepatocelular/complicações , Quimiorradioterapia , Cisplatino/uso terapêutico , Intervalo Livre de Doença , Fluoruracila/uso terapêutico , Neoplasias Hepáticas/complicações , Transplante de Fígado , Doadores Vivos , Recidiva Local de Neoplasia , Veia Porta , Trombose Venosa/complicaçõesRESUMO
Radical antegrade modular pancreatosplenectomy (RAMPS) is regarded as a reasonable approach for margin-negative and systemic lymph node clearance in left-sided pancreatic cancer. We present a patient with more than 5 years disease-free survival after robotic anterior RAMPS for pancreatic ductal adenocarcinoma in the body of the pancreas. The distal part of pancreas, soft tissue around the celiac trunk, and the origin of splenic vessels was dissected with the underlying fascia between the pancreas and adrenal gland. Resected specimen was removed through small vertical abdominal incision. Robot working time was about 8 hours, and blood loss was about 700 mL without blood transfusion. He returned to an oral diet on the postoperative first day and recovered without any clinically relevant complications. There was no lymph node metastasis, perineural or lymphovascular invasion. Both the pancreatic resection margin and the tangential posterior margin were free of carcinoma. The patient received only postoperative adjuvant radiotherapy around the tumor bed. The patient has survived for more than 5 years without evidence of cancer recurrence. Minimally invasive radical left-sided pancreatectomy with splenectomy may be oncologically feasible in well-selected pancreatic cancer.
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Idoso , Humanos , Masculino , Intervalo Livre de Doença , Pancreatectomia , Neoplasias Pancreáticas/cirurgia , EsplenectomiaRESUMO
BACKGROUND: As the necessity of adult living donor liver transplantation continues to increase, morbidity and mortality of donors has been considered vital. Thus, we performed a sequential analysis of our surgical experience in order to find ways to improve surgical outcomes in right liver donors. METHODS: We performed a retrospective sequential analysis of surgical outcomes of consecutive 245 right liver donors by 50 cases between October 2002 and November 2012. RESULTS: Hospital stay (13.78 to 10.98 days), operation time (432.76 to 389.98 minutes), amount of intra operative bleeding (577.70 to 502.56 mL), and perioperative transfusion rates decreased from the initial 50 cases to the last 45 cases. A total of 96 grade I complications by Clavien-Dindo classification decreased from 26 to 17. Ten and three cases had grade IIIa and IIIb complications, respectively. There were three cases of wound infection, two cases of duodenal ulcer bleeding, one case of pleural effusion, and four cases of bile leakage of grade IIIa complications, and one case of postoperative intestinal obstruction, one case of generalized peritonitis by small bowel perforation, and one case of bile leakage of grade IIIb complications. There was no mortality during the follow-up period. CONCLUSIONS: Although most complications with low-grade severity might be corrected by surgical refinement, efforts to reduce possible moderate to severe complications should be sustained.