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1.
Moutzouris G Barbatis C Plastiras D Mertziotis N Katsifotis C Presvelos V Theodorou C 《Scandinavian journal of urology and nephrology》1999,33(1):27-30
OBJECTIVE: The present study is designed to evaluate the incidence, histological features and significance of prostatic adenocarcinoma in patients undergoing cystoprostatectomy for Transitional Cell Carcinoma (TCC) of the bladder. PATIENTS, MATERIAL AND METHODS: From January 1990 to December 1996, 59 male patients (mean age 66.5 years), with no evidence of prostatic malignancy on preoperative clinical and biochemical assessment, underwent cystoprostatectomy for TCC of the bladder. The bladder was adequately sampled and the entire prostate sectioned at 5-mm intervals and examined histologically, in order to identify unsuspected prostatic cancer (PCa). RESULTS: Sixteen out of 59 patients (27%) were found to have PCa, which was multifocal in 5 cases (31.25%). The mean tumor size was 0.24 cm. The tumors were equally distributed in the anterior and posterior parts of the prostate and in the peripheral and transition zones, with uniform distribution in both prostatic lobes. In 5 patients (31.25%), the single focus of the tumor was in the apex. All were grade I tumors except one, and all were organ-confined with no capsular penetration. The follow-up ranged from 12-74 months (mean 39 months). Within this period, 7 patients died from metastatic bladder cancer. One patient with PCa localized in the prostatic apex had recurrent prostatic disease in the urethro-ileal anastomosis of an orthotopic bladder substitute; he is alive and on androgen deprivation. The remaining patients are relapse-free. CONCLUSIONS: Incidental PCa is quite a common finding in cystoprostatectomy specimens of bladder cancer patients. Its tendency to appear in the apex of the prostate demands careful and complete excision of the organ. 相似文献
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Gold treatment of rheumatoid arthritis decreases synovial expression of the endothelial leukocyte adhesion receptor ELAM-1. 总被引:3,自引:0,他引:3
M M Corkill B W Kirkham D O Haskard C Barbatis T Gibson G S Panayi 《The Journal of rheumatology》1991,18(10):1453-1460
Leukocyte adhesion receptors on endothelial cells play an important role in the evolution of synovitis. We studied sequential synovial biopsies at Weeks 0, 2 and 12 in 11 patients with rheumatoid arthritis beginning parenteral gold therapy either alone or combined with 120 mg intramuscular methylprednisolone acetate at Weeks 0, 4 and 8 of treatment. Expression of endothelial leukocyte adhesion molecule 1 (ELAM-1) decreased on synovial blood vessels after both 2 and 12 weeks treatment (p less than 0.05), while the overall vascularity of the synovium did not change. Neutrophil numbers within the synovial membrane also decreased although this did not reach statistical significance. In contrast, there was no significant change in numbers or subset distribution of T cells or in Class II MHC expression by synovial lining cells, mononuclear cells or endothelial cells. Our results suggest that one of the early effects of intramuscular gold and glucocorticoid therapy may be a downregulation of the acute inflammatory process associated with the endothelial expression of a neutrophil adhesion receptor and the subsequent recruitment of neutrophils into the joint. 相似文献
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Vassilis Samaras Angeliki Stamatelli Efstathios Samaras Christos Arnaoutoglou Marianthi Arnaoutoglou Ioanna Stergiou Paraskevi Konstantopoulou Vassilis Varsos Andreas Karameris Calypso Barbatis 《Pathology, research and practice》2009,205(11):765-773
In the present study, we carried out a comparative immunohistochemical analysis of aurora-A and aurora-B expression in 40 patients with primary glioblastomas, and attempted to identify any associations with Ki-67 index and the patients’ clinical features. The impact of various treatment modalities and proliferative activity on patient outcome was also assessed.Immunohistochemistry was carried out using formalin-fixed and paraffin-embedded tissue sections.Aurora-A expression was higher in tumors with high Ki-67 expression (p=0.01) and was positively, though marginally, related to aurora-B expression (p=0.085). Aurora-B expression was not linked to Ki-67 expression (p=0.182). Lower aurora-A immunohistochemical expression, chemotherapy administration, and tumor localization in one lobe of the brain implied a greater probability of patient survival in univariate analysis (p=0.044, p=0.008, p=0.041, respectively). Ki-67 and aurora-B immunoreactivities were not associated with patient survival (p=0.918 and p=0.539, respectively).To our knowledge, for the first time, the association between aurora-A and aurora-B expression, the correlation of aurora-A with Ki-67 index, and the prognostic impact of aurora-A expression were assessed in glioblastomas. Although we addressed a prognostic connotation of aurora-A, we presume that aurora-A and aurora-B play a complicated role within glioblastomas. Further examinations of larger series are required, so that definite conclusions can be drawn. 相似文献
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The in situ distribution of the major histocompatibility (HLA) class II (DR) antigens was studied in 113 liver biopsy specimens and five livers obtained at necropsy, using monoclonal antibody CR3/43. In 20 normal livers HLA-DR antigens were not detected in bile duct epithelium, hepatocytes, or portal vein endothelium. Normal arteriolar, sinusoidal and central venous endothelium often expressed HLA-DR. Kupffer cells always expressed these antigens. HLA-DR positive spindle cells were identified in the connective tissue of portal tracts, large hepatic veins, and liver capsule: most shared antigens common to all leucocytes and reacted with the histiocytic maker EBM11. Bile duct epithelium expresses HLA-DR in primary biliary cirrhosis, large duct obstruction, and drug induced cholestasis, indicating that HLA-DR positive spindle cells are phenotypically similar to histiocytes. 相似文献
9.
Localisation of Ca and HMFG2 antigens in breast tissue by immunoperoxidase, immunofluorescence, and immunoelectron microscopy.
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U Beckford C Barbatis J E Beesley J C Linsell S M Chantler 《Journal of clinical pathology》1985,38(5):512-520
The reactivities of Ca1 and HMFG2 monoclonal antibodies were compared on paraffin wax embedded breast tissues using indirect immunoperoxidase. The expression of Ca antigen, like HMFG2, is not exclusive to malignancy: Ca was present in 41/53 (77%) and HMFG2 in 42/53 (79.2%) non-malignant conditions and both were present in 33/35 (94%) carcinomas. Similar results were obtained when cryostat sections were used. Both antigens showed striking similarities in their topographical distributions, although quantitative differences were seen. Their cellular and sub-cellular localisations were investigated by double labelling immunofluorescence and immunogold electron microscopy, which showed that the expression of Ca and HMFG2 antigens was closely associated on cell membranes but that the epitopes were distinct. 相似文献
10.
Gazouli M Zacharatos P Mantzaris GJ Barbatis C Ikonomopoulos I Archimandritis AJ Lukas JC Papalambros E Gorgoulis V 《European journal of gastroenterology & hepatology》2004,16(11):1177-1182
OBJECTIVE: Single nucleotide polymorphisms in the NOD2/CARD15 gene have recently been shown to be associated with Crohn's disease (CD), but whether this susceptibility extends to all ethnic groups and geographic areas remains unknown. The aim of the present study was to evaluate the NOD2/CARD15 mutations in Greek patients with CD. METHODS: Individuals were genotyped for three NOD2/CARD15 mutations: R702W, G908R and L1007fsinsC. Blood samples were obtained from 120 patients with CD, 85 patients with ulcerative colitis, and 100 unrelated healthy controls. RESULTS: Mutations in NOD2/CARD15 were observed with significantly greater frequency in CD patients (98/120, 81.7%) than in ulcerative colitis patients (40/85, 47%) (P < 0.0001) or in healthy individuals (21/100, 21%) (P < 0.0001). For CD patients, compared with controls, the odds were increased for carriage of the R702W (odds ratio, 12.25) and less for the G908R (odds ratio, 5.2) and L1007fsinsC (odds ratio, 3.9) mutations. The age of onset of CD was lower in Greek mutation carriers as compared with non-carriers of Greek origin (28.2 +/- 14.6 years versus 34 +/- 12.3 years, respectively; P = 0.036). Additionally, the frequency of NOD2/CARD15 mutations was increased in ileitis or ileocolitis compared with non-ileal disease. CONCLUSIONS: The NOD2/CARD15 mutations are risk factors for CD in Greece, they appear to predict an earlier age of onset and are associated particularly with ileitis or ileocolitis. 相似文献