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| 1 | Moving forward in the treatment of cholangiocarcinoma显示文摘Despite being the second most frequent primary liver tumor in humans,early diagnosis and treatment of cholangiocarcinoma(CCA)are still unsatisfactory.In fact,survival after 5 years is expected in less than one fourth of patients diagnosed with this disease.Rare incidence,late appearance of symptoms and heterogeneous biology are all factors contributing to our limited knowledge of this cancer and determining its poor prognosis in the clinical setting.Several efforts have been made in the last decades in order to achieve an improved classification/understanding with regard to the diverse CCA forms.Location within the biliary tree has helped to distinguish between intrahepatic,perihilar and distal CCA types.Sequence analysis contributed to identifying several characteristic genetic aberrations in CCA that may also serve as possible targets for therapy.Novel findings are expected to significantly improve the management of this malignancy in the near future.In this changing scenario our review focuses on the current and future strategies for CCA treatment.Both systemic and surgical treatments are discussed in detail.The results of the main studies in this field are reported,together with the ongoing trials.The current findings suggest that an integrated multidisciplinary approach to this malignancy would be helpful to improve its outcome. | Tommaso M Manzia Alessandro Parente Ilaria Lenci Bruno Sensi Martina Milana Carlo Gazia Alessandro Signorello Roberta Angelico Giuseppe Grassi Giuseppe Tisone Leonardo Baiocchi | 2021 | World Journal of Gastrointestinal Oncology2021，13，12： | 6 |
| 2 | Chronic rejection after liver transplantation:Opening the Pandora’s box显示文摘Chronic rejection(CR)of liver allografts causes damage to intrahepatic vessels and bile ducts and may lead to graft failure after liver transplantation.Although its prevalence has declined steadily with the introduction of potent immunosuppressive therapy,CR still represents an important cause of graft injury,which might be irreversible,leading to graft loss requiring re-transplantation.To date,we still do not fully appreciate the mechanisms underlying this process.In addition to T cell-mediated CR,which was initially the only recognized type of CR,recently a new form of liver allograft CR,antibody-mediated CR,has been identified.This has indeed opened an era of thriving research and renewed interest in the field.Liver biopsy is needed for a definitive diagnosis of CR,but current research is aiming to identify new non-invasive tools for predicting patients at risk for CR after liver transplantation.Moreover,the minimization or withdrawal of immunosuppressive therapy might influence the establishment of subclinical CR-related injury,which should not be disregarded.Therapies for CR may only be effective in the“early”phases,and a tailored management of the immunosuppression regimen is essential for preventing irreversible liver damage.Herein,we provide an overview of the current knowledge and research on CR,focusing on early detection,identification of non-invasive biomarkers,immunosuppressive management,re-transplantation and future perspectives of CR. | Roberta Angelico Bruno Sensi Tommaso M Manzia Giuseppe Tisone Giuseppe Grassi Alessandro Signorello Martina Milana Ilaria Lenci Leonardo Baiocchi | 2021 | World Journal of Gastroenterology2021，27，45： | 2 |
| 3 | Osteoblast proliferation or differentiation is regulated by relative strengths of opposing signaling pathways显示文摘 | Angela Raucci Paola Bellosta Roberta Grassi | 2008 | J Cell Physiol2008，215，2： | 1 |
| 4 | Hepatitis B virus recurrence after liver transplantation: An old tale or a clear and present danger?显示文摘Hepatitis B virus(HBV) recurrence after liver transplantation(LT) has been described more than 50 years ago. Similarly, to other clinical conditions, in which impairment of host immune defense favors viral replication, early reports described in details recurrence and reactivation of HBV in liver transplant recipients. The evidence of a possible, severe, clinical evolution of HBV reappearance in a significant percentage of these patients, allowed to consider,for some years, HBV positivity a contraindication for LT. Moving from the old to the new millennium this picture has changed dramatically. Several studies contributed to establish efficient prophylactic protocols for HBV recurrence and with the advent of more potent anti-viral drugs an increased control of infection was achieved in transplanted patients as well as in the general immunecompetent HBV population. Success obtained in the last decade led some authors to the conclusion that HBV is now to consider just as a 'mere nuisance'.However, with regard to HBV and LT, outstanding issues are still on the table:(1)A standard HBV prophylaxis protocol after transplant has not yet been clearly defined;(2) The evidence of HBV resistant strains to the most potent antiviral agents is claiming for a new generation of drugs;and(3) The possibility of prophylaxis withdrawal in some patients has been demonstrated, but reliable methods for their selection are still lacking. The evolution of LT for HBV is examined in detail in this review together with the description of the strategies adopted to prevent HBV recurrence and their pros and cons. | Ilaria Lenci Martina Milana Giuseppe Grassi Tommaso M Manzia Carlo Gazia Giuseppe Tisone Roberta Angelico Leonardo Baiocchi | 2020 | World Journal of Gastroenterology2020，26，18： | 1 |
| 5 | Vascular and interventional radiology radiofrequency ablation of benign thyroid nodules and recurrent thyroid cancers: literature review显示文摘 | Irene Chiara Bernardi Chiara Floridi Alessandra Muollo Roberta Giacchero Gian Lorenzo Dionigi Alfonso Reginelli Gianluca Gatta Vito Cantisani Roberto Grassi Luca Brunese Gianpaolo Carrafiello | 2014 | La radiologia medica2014，，： | 1 |
| 6 | Local ablation of pancreatic tumors: State of the art and future perspectives显示文摘BACKGROUND Currently,the technologies most commonly used to treat locally advanced pancreatic cancer are radiofrequency ablation(RFA),microwave ablation,and irreversible(IRE)or reversible electroporation combined with low doses of chemotherapeutic drugs.AIM To report an overview and updates on ablative techniques in pancreatic cancer.METHODS Several electronic databases were searched.The search covered the years from January 2000 to January 2021.Moreover,the reference lists of the found papers were analysed for papers not indexed in the electronic databases.All titles and abstracts were analysed.RESULTS We found 30 studies(14 studies for RFA,3 for microwave therapy,10 for IRE,and 3 for electrochemotherapy),comprising 1047 patients,which were analysed further.Two randomized trials were found for IRE.Percutaneous and laparotomy approaches were performed.In the assessed patients,the median maximal diameter of the lesions was in the range of 2.8 to 4.5 cm.All series included patients unfit for surgical treatment,but Martin et al assessed a subgroup of patients with borderline resectable tumours who underwent resection with margin attenuation with IRE.Most studies administered chemotherapy prior to ablative therapies.However,several studies suggest that the key determinant of improved survival is attributable to ablative treatment alone.Nevertheless,the authors suggested chemotherapy before local therapies for several reasons.This strategy may not only downstage a subgroup of patients to curative-intent surgery but also support to recognize patients with biologically unfavourable tumours who would likely not benefit from ablation treatments.Ablation therapies seem safe based on the 1047 patients assessed in this review.The mortality rate ranged from 1.8%to 2%.However,despite the low mortality,the reported rates of severe post procedural complications ranged from 0%-42%.Most reported complications have been self-limiting and manageable.Median overall survival varied between 6.0 and 33 mo.Regarding the technical success rate,assessed papers reported an estimated rate in the range of 85%to 100%.However,the authors reported early recurrence after treatment.A distinct consideration should be made on whether local treatments induce an immune response in the ablated area.Preclinical and clinical studies have shown that RFA is a promising mechanism for inducing antigen-presenting cell infiltration and enhancing the systemic antitumour T-cell immune response and tumour regression.CONCLUSION In the management of patients with pancreatic cancer,the possibility of a multimodal approach should be considered,and conceptually,the combination of RFA with immunotherapy represents a novel angle of attack against this tumour. | Vincenza Granata Roberta Grassi Roberta Fusco Andrea Belli Raffaele Palaia Gianpaolo Carrafiello Vittorio Miele Roberto Grassi Antonella Petrillo Francesco Izzo | 2021 | World Journal of Gastroenterology2021，27，23： | 1 |
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