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Biliary tract schwannoma:A rare cause of obstructive jaundice in a young patient

World Journal of Gastroenterology 2012年第37期18卷 5305-5308页

作者： Gilton Marques Fonseca André Luis Montagnini Manoel de Souza Rocha rosely antunes patzina Mário Vinícius Angelete Alvarez Bernardes Ivan Cecconello José Jukemura Digestive Surgery Division Department of GastroenterologySchool of MedicineUniversity of So Paulo

Schwannoma is a tumor derived from Schwann cells which usually arises in the upper extremities, trunk, head and neck, retroperitoneum, mediastinum, pelvis, and peritoneum. However, it can arise in the gastro-intestinal tract, including biliary tract. We present a 24-year-old male patient with obstructive jaundice, whose investigation with computed tomography abdomen showed focal wall thickening in the common hepatic duct, difficult to differentiate with hilar adenocarcinoma. He was diagnosed intraoperatively schwannoma of common bile duct and treated with local resection. The patient recovered well without signs of recurrence of the lesion after 12 mo. We also reviewed the common bile duct schwannoma related in the literature and evaluated the difficulty in pre and intraoperative differential diagnosis with adenocarcinoma hilar. Resection is the treatment of choice for such cases and the tumordid not recur in any of the resected cases.

关键词：神经黄疸阻性患者原因雪旺氏细胞 CT检查手术切除

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Beneficial effects of adenosine triphosphate-sensitive K^+ channel opener on liver ischemia/reperfusion injury

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World Journal of Gastroenterology 2014年第41期20卷 15319-15326页

作者： Mateus antunes Nogueira Ana Maria Mendona Coelho Sandra Nassa Sampietre rosely antunes patzina Fabiano Pinheiro da Silva Luiz Augusto Carneiro D'Albuquerque Marcel Cerqueira Cesar Machado Department of Gastroenterology (LIM/37) Medical SchoolUniversity of Sao Paulo Department of Clinical Emergency (LIM/51) Medical SchoolUniversity of Sao Paulo

AIM:To investigate the effect of diazoxide administration on liver ischemia/reperfusion ***:Wistar male rats underwent partial liver ischemia performed by clamping the pedicle from the medium and left anterior lateral segments for 1 h under mechanical *** were divided into 3 groups:Control Group,rats submitted to liver manipulation,Saline Group,rats received saline,and Diazoxide Group,rats received intravenous injection diazoxide(3.5 mg/kg) 15 min before liver reperfusion.4 h and 24 h after reperfusion,blood was collected for determination of aspartate transaminase(AST),alanine transaminase(ALT),tumor necrosis factor(TNF-α),interleukin-6(IL-6),interleukin-10(IL-10),nitrite/nitrate,creatinine and tumor growth factor-β1(TGF-β1).Liver tissues were assembled for mitochondrial oxidation and phosphorylation,malondialdehyde(MDA) content,and histologic *** vascular permeability and myeloperoxidase(MPO) were also ***:Four hours after reperfusion the diazoxide group presented with significant reduction of AST(2009 ± 257 U/L vs 3523 ± 424 U/L,P = 0.005); ALT(1794 ± 295 U/L vs 3316 ± 413 U/L,P = 0.005); TNF-α(17 ± 9 pg/mL vs 152 ± 43 pg/mL,P = 0.013; IL-6(62 ± 18 pg/mL vs 281 ± 92 pg/mL); IL-10(40 ± 9 pg/mL vs 78 ± 10 pg/mL P = 0.03),and nitrite/nitrate(3.8 ± 0.9 μmol/L vs 10.2 ± 2.4 μmol/L,P = 0.025) when compared to the saline group.A significant reduction in liver mitochondrial dysfunction was observed in the diazoxide group compared to the saline group(P < 0.05).No differences in liver MDA content,serum creatinine,pulmonary vascular permeability and MPO activity were observed between *** four hours after reperfusion the diazoxide group showed a reduction of AST(495 ± 78 U/L vs 978 ± 192 U/L,P = 0.032); ALT(335 ± 59 U/L vs 742 ± 182 U/L,P = 0.048),and TGF-β1(11 ± 1 ng/mL vs 17 ± 0.5 ng/mL,P = 0.004) serum levels when compared to the saline *** control group did not present alterations when compared to the

关键词： Liver ischemia/reperfusion Diazoxide K+ channel op

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Quality of life,depression and anxiety in potential living liver donors for pediatric recipients:A retrospective single center experience

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World Journal of Hepatology 2022年第10期14卷 1899-1906页

作者： Paula K Reine Flavia Feier Eduardo antunes da Fonseca rosely G Hernandes Joao Seda-Neto Department of Psychology Hospital Sirio-LibanesSao Paulo 01308901Brazil Department ofLiver Transplantation Santa Casa de Porto AlegrePorto Alegre 90020090Brazil Department of Liver Transplantation Hospital Sirio-LibanesSao Paulo 01308901Brazil

BACKGROUND Living donor liver transplantation is a safe alternative for patients on a liver transplant *** evaluation goes beyond physical variables to include social,emotional,and ethical *** role of pre-donation sociopsychological evaluation of the donor candidate is as important to the success of the procedure as is the medical *** implies recovery from the operation and pro-mpt engagement in pre-transplant professional and social activities,without leading to psychological or physical *** profiling of potential living liver donors(PLLD)and evaluation of quality of life(QOL)can influence *** To evaluate the socio-demographics and psychological aspects(QOL,depression,and anxiety)of PLLD for pediatric liver transplantation in a cohort of 250 *** This was a retrospective cohort study of 250 PLLD who underwent psychological pre-donation evaluation between 2015 and *** the recipients were *** Beck anxiety inventory,Beck depression inventory,and 36-item short-form health survey(SF-36)scores were used to evaluate anxiety(Beck anxiety inventory),depression(Beck depression inventory),and QOL,*** A total of 250 PLLD were *** of them were women(54.4%),and the mean age was 29.2±7.2 years.A total of 120(48.8%)PLLD were employed at the time of evaluation for donation;however,most had low income(57%earned<2 times the minimum wage).A total of 110 patients(44%)did not finish the donation process,and 247 PLLD answered a questionnaire to evaluate depression,anxiety,and QOL(SF-36).Prevalence of depression was of 5.2%and anxiety 3.6%.Although most of the PLLD were optimistic regarding the donation process and never had doubts about becoming a donor,some traces of ambivalence were observed:46%of the respondents said they would feel relieved if a deceased donor became *** PLLD had a low prevalence of anxiety and *** foundation for effective and sa

关键词： Liver transplantation Children Outcomes Living donation

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