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排序方式: 共有367条查询结果,搜索用时 31 毫秒
71.
Mazzotta C Baiocchi S Caporossi O Buccoliero D Casprini F Caporossi A Balestrazzi A 《Journal of cataract and refractive surgery》2008,34(2):318-321
We present a case of keratoconus in which the association with posterior polymorphous corneal dystrophy was established by confocal microscopy. Confocal microscopy enable us to assess the differential diagnosis between posterior corneal dystrophies, essential for a prognosis and therapeutic decision. 相似文献
72.
De Manzoni Giovanni Marrelli Daniele Baiocchi Gian Luca Morgagni Paolo Saragoni Luca Degiuli Maurizio Donini Annibale Fumagalli Uberto Mazzei Maria Antonietta Pacelli Fabio Tomezzoli Anna Berselli Mattia Catalano Filippo Di Leo Alberto Framarini Massimo Giacopuzzi Simone Graziosi Luigina Marchet Alberto Marini Mario Milandri Carlo Mura Gianni Orsenigo Elena Quagliuolo Vittorio Rausei Stefano Ricci Riccardo Rosa Fausto Roviello Giandomenico Sansonetti Andrea Sgroi Giovanni Tiberio Guido Alberto Massimo Verlato Giuseppe Vindigni Carla Rosati Riccardo Roviello Franco 《Gastric cancer》2017,20(1):20-27
Methodology for the diagnosis and staging of early gastric cancer (EGC) has improved in Japan since the development of the gastro-camera and determination of a definition of EGC. Imaging technology has been steadily evolving in the endoscopy field. Improvements in the resolution of standard endoscopy images used in screening and surveillance provide greater opportunities to find gastric cancer earlier. Image enhancement endoscopy (IEE), such as narrow band imaging (NBI), highlights mucosal structures and vascularity. In particular, when NBI is used with magnifying endoscopy, it reveals fine details of subtle superficial abnormalities of EGC that are difficult to recognize using standard white light endoscopy. IEE-assisted magnifying endoscopy has improved the accuracy of the differentiation of superficial gastric cancer as well as delineation of the diseased mucosa. The advanced imaging technology enables precise assessment of the risk of lymph node metastasis of EGC and is widely used to determine indications for endoscopic treatment. It is not an overstatement to say that this has become the basis for the current development and dissemination of endoscopic treatments. Moreover, the resolution of endoscopic imaging has been upgraded to the microscopy level by the development of endomicroscopy, including endocytoscopy and confocal laser endomicroscopy. Endomicroscopy allows real-time histological analysis of living tissue during routine endoscopy and may reduce the number of biopsies needed to reach the correct diagnosis, minimizing the risk of sampling errors. 相似文献
73.
Bissolati Massimiliano Desio Matteo Rosa Fausto Rausei Stefano Marrelli Daniele Baiocchi Gian Luca De Manzoni Giovanni Chiari Damiano Guarneri Giovanni Pacelli Fabio De Franco Lorenzo Molfino Sarah Cipollari Chiara Orsenigo Elena 《Gastric cancer》2017,20(1):70-82
Gastric Cancer - Resection margin (RM) involvement is associated with negative prognosis after gastrectomy. Intraoperative frozen section (IFS) analysis allows radical resection to be achieved in a... 相似文献
74.
Lucas Gomes Sapienza Maria José Leite Gomes Vinicius Fernando Calsavara Mario M. Leitao Glauco Baiocchi 《Gynecologic oncology》2017,144(2):312-317
Purpose
To evaluate the impact of the extension of the radiotherapy field cranially toward para-aortic lymph nodes (EF-RT) in advanced cervical cancer.Materials and methods
A systematic search of databases (PubMed, CENTRAL, Clinical Trials) was performed and included studies that were published between 1960 and November 2015 without language restrictions. All randomized clinical trials (RCTs) were analyzed further. All patients must have undergone pelvic radiotherapy and the same systemic therapy in both arms. The primary endpoints were locoregional failure, incidence of distant metastasis, para-aortic failure, and cancer related death. The Mantel-Haenszel method was used in the meta-analysis. The risk of bias analysis was determined using the 7-domain method per the Cochrane Handbook for Systematic Reviews of Interventions V5.1.0. A review of the treatment technique and toxicity was also performed.Results
A total of 1309 studies were evaluated, 4 RCTs of which met the inclusion criteria; 506 patients were allocated to standard pelvic irradiation, and 494 underwent EF-RT. The risk of bias was considered to be low in nearly 80% of the domains. EF-RT significantly reduced the rate of para-aortic failure (HR 0.35, 95% CI 0.19–0.64; p < 0.01) and the incidence of other distant metastases (HR 0.69, 95% CI 0.50–0.96; p = 0.03). Locoregional failure and cancer-related death were not significantly altered (OR 1.06 [0.80–1.42]; p = 0.67, and 0.68 [0.45–1.01]; p = 0.06, respectively). The radiotherapy technique was conventional in 3 studies and conformational in 1 study. In total, 10 treatment-related deaths occurred—4 in pelvic radiation and 6 in EF-RT (OR 2.12 [0.71–6.27]; p = 0.18).Conclusions
EF-RT that targets the para-aortic lymphatic chain reduces distant metastatic events, but its impact on survival is unknown. Future studies should examine the value of EF-RT using modern radiation techniques. 相似文献75.
Amanda R. Panfil Jacob Al-Saleem Cory M. Howard Jessica M. Mates Jesse J. Kwiek Robert A. Baiocchi Patrick L. Green 《Viruses》2016,8(1)
Human T-cell leukemia virus type-1 (HTLV-1) is a tumorigenic retrovirus responsible for development of adult T-cell leukemia/lymphoma (ATLL). This disease manifests after a long clinical latency period of up to 2–3 decades. Two viral gene products, Tax and HBZ, have transforming properties and play a role in the pathogenic process. Genetic and epigenetic cellular changes also occur in HTLV-1-infected cells, which contribute to transformation and disease development. However, the role of cellular factors in transformation is not completely understood. Herein, we examined the role of protein arginine methyltransferase 5 (PRMT5) on HTLV-1-mediated cellular transformation and viral gene expression. We found PRMT5 expression was upregulated during HTLV-1-mediated T-cell transformation, as well as in established lymphocytic leukemia/lymphoma cell lines and ATLL patient PBMCs. shRNA-mediated reduction in PRMT5 protein levels or its inhibition by a small molecule inhibitor (PRMT5i) in HTLV-1-infected lymphocytes resulted in increased viral gene expression and decreased cellular proliferation. PRMT5i also had selective toxicity in HTLV-1-transformed T-cells. Finally, we demonstrated that PRMT5 and the HTLV-1 p30 protein had an additive inhibitory effect on HTLV-1 gene expression. Our study provides evidence for PRMT5 as a host cell factor important in HTLV-1-mediated T-cell transformation, and a potential target for ATLL treatment. 相似文献
76.
I S Rodrigues A M Lavorato-Rocha B de M Maia M M A Stiepcich F M de Carvalho G Baiocchi F A Soares R M Rocha 《British journal of cancer》2013,109(1):184-194
Background:
Epithelial-to-mesenchymal transition (EMT) still remains an obscure event in vulvar squamous cell carcinoma (VSCC).Methods:
Immunohistochemistry (IHC) expression of E-cadherin, β-catenin, Snail, Slug, Twist and Vimentin was analysed in 87 VSCC, controlled for human papillomavirus (HPV) positivity, considering tumour front and central tumour as different morphological categories from the same tumour.Results:
Lower β-catenin and higher Vimentin expression was associated with invasive front when compared with the central tumour (P=0.013 and P⩽0.001, respectively). Higher expression of E-cadherin in central tumour was significantly related to absence of vascular and perineural invasion, lower invasion depth and ⩽2 lymph node involvement. Loss of β-catenin and high Slug, Snail and Twist expression was associated with HPV-negative tumours. Moreover, β-catenin lower expression associated with gain in Slug expression predicts a subgroup with worst outcome (P=0.001). Lower expression of β-catenin in both central tumour and invasive front correlated with lower overall survival (P=0.021 and P=0.011, respectively). Also, multivariate analysis showed that lower β-catenin expression was independently associated with poorer outcome (P=0.044).Conclusion:
Human papillomavirus-related tumours show better prognosis and outcome; besides, they do not progress through EMT phenomenon. Immunohistochemical analysis of β-catenin in invasive tumour front is a key issue for establishing prognosis of vulva cancer. 相似文献77.
Baiocchi G Neto RC Fukazawa EM Faloppa CC Avertano-Rocha AB Begnami MD 《The journal of obstetrics and gynaecology research》2010,36(5):1130-1132
Lymphangitic carcinomatosis of the lungs secondary to cervical cancer is a rare condition. It still has an unknown pathophysiology and is related to high mortality rates. Diagnosis is often delayed due to the common symptoms of nonproductive cough and dyspnea. There are only 10 cases described in the literature. Most of the reported cases received only supportive care due to low performance status. Only three reported patients received palliative chemotherapy. We describe a case that has successfully received platinum-based chemotherapy. 相似文献
78.
Nazario Portolani Gian Luca Baiocchi Stefano Gadaldi Simona Fisogni Vincenzo Villanacci 《World journal of gastroenterology : WJG》2009,15(33):4189-4192
We present the case of an elderly woman who developed a bowel perforation related to pneumatosis intestinalis, 33 years after a jejuno-ileal bypass for severe obesity. Final histological examination revealed the presence of dysplasia in the resected specimen. On the basis of our case and a review of the literature, we discuss the etiopathogenesis, the clinical aspects and the treatment of this rare condition. 相似文献
79.
Sézary Syndrome (SS) is an aggressive T-cell malignancy often presenting in advanced age and associated with poor prognosis. There is no standard therapy and because of co-morbidities, elderly patients are particularly challenging to treat. Alemtuzumab is an anti-CD52 monoclonal antibody that has activity in SS but is profoundly immunosuppressive, leading to great hesitation about its use in older patients. We treated five octogenarian patients with SS with subcutaneous (SQ) alemtuzumab, at relapse or as initial therapy, for 5–9 weeks. With the exception of transient grade 1–2 hematological toxicity and asymptomatic cytomegalovirus (CMV) (two patients) and Epstein-Barr virus (EBV) (one patient) reactivation, no other toxicities were observed. The clinical and hematological complete response (CR) rate was 100%. Three patients achieved durable responses (8+ to 17+ months). Alemtuzumab was safely administered and showed significant activity in very elderly SS patients. 相似文献
80.