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1.
BACKGROUND: It is well known that the incidence of hepatocellular carcinoma (HCC) in patients with hepatitis C virus (HCV) correlates with progression of liver fibrosis. However, there is little information on the impact of aging on hepatocarcinogenesis. The aim of this study was to elucidate the clinicopathological features of elderly patients with HCV-related HCC. METHODS: The study subjects were 693 consecutive patients newly diagnosed with HCC with anti-HCV. First, we divided them into a younger group (<70 years) and an elderly group (> or =70 years) and compared clinicopathological features between the two groups. Next, we selected pure HCV-related HCC patients by excluding the patients with other probable factors for hepatocarcinogenesis (anti-HBc, interferon therapy, and alcohol) and compared the two groups again. RESULTS: Higher platelet count, lower male/female ratio, lower rate of habitual alcohol consumption, and better Child-Pugh class were recognized in the elderly group thant the younger group, statistically. In 133 cases of hepatic resection, fibrosis stage was lower in the elderly than the younger group. After selection of pure HCV-related HCC patients, in a stepwise multi variate analysis, male sex and platelet count <10 x 10(4)/mm3 were significant variables associated with age <70. Regarding the latency period to HCC development, the patients who received a blood transfusion at an older age developed HCC sooner despite their lower grade of fibrosis. CONCLUSIONS: The elderly patients developed HCC more often, despite their lower grade of fibrosis, compared with the younger patients. In addition to fibrosis, aging could be a factor affecting HCV-related hepatocarcinogenesis.  相似文献   

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BACKGROUND: There has been no study of the clinicopathologic features of patients with hepatocellular carcinoma (HCC) who are seropositive for lectin-reactive alpha-fetoprotein (AFP-L3) alone, or seropositive for AFP-L3 and seronegative for des-gamma-carboxy prothrombin (DCP) in comparison with those who are seropositive for DCP alone. Thus, the present comparative study was performed. METHODS: The clinicopathologic features of HCC patients with either one or two tumors who underwent a hepatectomy (n = 88) were compared among the following five groups according to the seropositivity of AFP, AFP-L3 and DCP: (i) group A, seropositive for AFP above 100 ng/mL, AFP-L3 above 15% and DCP above 100 mAU/mL; (ii) group B, seropositive for AFP-L3 and seronegative for DCP below 40 mAU/mL; (iii) group C, seronegative for AFP below 20 ng/mL, AFP-L3 below 15% and seropositive for DCP; (iv) group D, seropositive for AFP and seronegative for AFP-L3 and DCP; and (v) group E, seronegative for AFP, AFP-L3 and DCP. RESULTS: Group B patients showed a higher incidence of infiltrative-type HCC with an irregular margin (P < 0.05) and a higher frequency of poorly differentiated HCC (P < 0.01) compared with group C patients. Group A patients had larger tumors and more massive-type tumors than group B patients. Our HCC cases showed that advanced clinicopathologic features were demonstrated in the order of group B, group C and group D. Group A and B patients and group D and E patients showed similar characteristics. CONCLUSIONS: Hepatocellular carcinoma patients who were seropositive for AFP-L3 and seronegative for DCP demonstrated clinicopathologic features of more advanced HCC compared with those who were seropositive for DCP alone.  相似文献   

4.
Short-term studies indicate that hepatitis B vaccines are safe and satisfactorily immunogenic in hemophiliacs. The duration of immunity in these immunocompromised patients, however, is not known. To determine this, we studied 78 hemophiliacs prospectively 2, 3, and 4 years after the initial vaccination with a plasma-derived vaccine given as three monthly injections followed by a fourth booster injection at month 14. The duration of immunity clearly depended on whether the patients were infected with the human immunodeficiency virus (HIV). In HIV seronegative hemophiliacs (n = 67), there was a progressive decline in titers of antibody to the hepatitis B surface antigen (anti-HBs), but antibody was still detectable 4 years later in all of them. From the curves of decline of antibody titers, it appears that there is no need to revaccinate patients for at least 5 to 6 years. The HIV seropositive hemophiliacs (n = 11) not only started from much lower anti-HBs titers, but 5 of 11 lost anti-HBs. None of the 45 patients treated with concentrates during the postvaccination period developed serologic signs of hepatitis B, even though 6 of them had come into contact with live or inactivated hepatitis B virus as shown by the occurrence of spontaneous anamnestic antibody responses. This vaccine and schedule of vaccination afford a prolonged duration of immunity in HIV seronegative hemophiliacs, but HIV seropositive hemophiliacs have a risk of losing immunity early.  相似文献   

5.
Synovitis of recent onset is a challenging problem, both from a diagnostic and a mechanistic point of view. The role of the immune system in mediating the systemic and synovial inflammatory response remains an area of active investigation. Studies in early synovitis cohorts have confirmed the relatively specific association of rheumatoid factor positive polyarthritis with a number of autoantibodies, particularly anticyclical citrullinated peptide (CCP) antibodies, antifilaggarin antibodies (AFA), and anti-Sa antibodies. Immunopathologic studies of synovial tissue samples from patients with early synovitis have generally suggested quantitative rather than qualitative differences between various forms of synovitis. In particular, Th1 cytokines appear to predominate in rheumatoid arthritis and psoriatic synovitis, while Th2 cytokines are more often detectable in the synovium of reactive arthritis patients. This latter observation is consistent with an immune response profile that favors persistence of intracellular organisms.  相似文献   

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Hepatocellular carcinoma (HCC) is a major cause of cancer death,and chronic hepatitis B is a serious worldwide problem.The epidemiology of HCC is distinctive.Hepatitis B virus (HBV) plays a major role in hepatocarcinogenesis.Prevention of HBV-related HCC is a key issue in current hepatology.This paper describes the prevention and clinical features of HBVrelated HCC,along with a short review of the disease.  相似文献   

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Summary It has recently been suggested that a subpopulation of patients with rheumatoid arthritis, diagnosed on clinical, radiologic and pragmatic grounds, but with negative rheumatoid factor tests, represents a clinical entity quite distinct from that of seropositve rheumatoid arthritis. We have studied 60 sequentially presenting patients, 30 of whom were selected because they were seronegative, and 30 selected because they were seropositive in regard to IGM rheumatoid factor. The only major differences detected between the two groups on blind assessment were a greater tendency to deformity, a greater degree of erosion and the presence of subcutaneous nodules in the seropositive group. Seronegative and seropositive rheumatoid arthritis appear to have very similar clinical features, but differing degrees of severity.  相似文献   

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Ⅰ型自身免疫性肝炎患者的临床病理分析   总被引:8,自引:0,他引:8  
目的 从病毒标志物均阴性的肝功能异常患者中筛选Ⅰ型自身免疫性肝炎 (AIH)病例 ,并探讨其临床病理表现特征。方法 采用国际自身免疫性肝炎小组 (IAIHG)新修订的描述性诊断标准和计分系统 ,对病毒标志物均阴性的肝功能异常患者进行筛选 ,对符合诊断的患者进行临床病理特点分析。结果 符合诊断的 32例Ⅰ型AIH患者均为女性 ,高发年龄为 4 0~ 6 0岁 ,肝功能生化检查表现为肝炎样改变。 2 8例 (87.5 % )表现为高γ 球蛋白血症 ,2 6例 (81.3% )IgG高于正常。 2 6例 (81.3% )抗核抗体 (ANA)阳性。伴发相关的自身免疫性疾病 12例 (37.5 % )。在有肝穿刺活检组织资料的 15例患者中 ,11例 (73.3% )出现界板性肝炎 ,小叶性肝炎 5例 (33.3% ) ,玫瑰花结样改变 3例 (2 0 .0 % ) ,肝纤维化或肝硬化 6例 (40 .0 % )。 2 1例 (6 5 .6 % )患者对免疫抑制治疗完全应答 ,9例 (2 8.1% )出现复发 ,12例(37.5 % )持续缓解。结论 Ⅰ型AIH患者多为中年女性 ,以肝组织活检呈界板性肝炎、血清自身抗体、高γ 球蛋白血症和对免疫抑制治疗反应良好为特点  相似文献   

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Clinical and pathogenic differences exist between hepatitis B viral (HBV) genotypes B and C, and genotype C has a higher risk of hepatocellular carcinoma (HCC) development than genotype B. The aim of this study was to investigate whether HBV genotypes B and C influence the clinicopathological features of patients with resectable HCC. Stored serum samples from 193 patients with resectable HBV-related HCC were tested for HBV genotypes by a molecular method. Of 193 patients undergoing resection of HCC, 107 (55%) and 86 (45%) were infected with genotypes B and C, respectively. Compared with genotype C patients, genotype B patients were less likely to be associated with liver cirrhosis (33%vs 51%, P = 0.01). Pathologically, genotype B patients had a higher rate of solitary tumour (94%vs 86%, P = 0.048) and more satellite nodules (22%vs 12%, P = 0.05) than genotype C patients. Our results indicate that genotype B-related HCC is less associated with liver cirrhosis and has a higher frequency of solitary tumour as well as more satellite nodules than genotype C-related HCC. These characteristics may contribute to the recurrence patterns and prognosis of HBV-related HCC in patients with genotype B or C infection.  相似文献   

10.
《Hepatology research》2003,25(3):263-270
The clinicopathological features of nine acute-onset autoimmune hepatitis (AIH) patients were compared with those of 29 classical AIH patients. The clinical features of acute-onset AIH showed significantly higher serum ALT levels, lower serum IgG levels and AIH score than those of classical AIH, although the type of auto-antibodies, age and gender were not different between the two groups. Pathological features showed that the stages of acute-onset AIH varied from stage 1 to stage 4 and were less advanced compared with those of classical AIH. One patient showed submassive hepatic necrosis. Both centrilobular necrosis and interface hepatitis were observed in 7 and 8 of 9, respectively. Three stage 1 patients with centrilobular necrosis and one patient with submassive hepatic necrosis were suggestive of acute presentation, while patients with stages 2 and 4 fibrosis were suggestive of acute exacerbation of chronic disease. An immunohistochemical study demonstrated that CD8 T cells were predominant at both interface hepatitis and centrilobular necrosis, while CD79α-positive B lineage cells were predominant at interface hepatitis. These results suggest that acute-onset AIH includes both acute presentation and acute exacerbation of chronic disease and that centrilobular necrosis might be a prevailing pathological feature.  相似文献   

11.
BACKGROUND: There has been no comparative study of the clinicopathological features of HCC patients who are seropositive for alpha-fetoprotein (AFP) alone and those who are seropositive for des-gamma-carboxy prothrombin (DCP) alone. The authors, thus, performed this comparative study. METHODS: The clinicopathological features of patients with solitary hepatocellular carcinoma (HCC), who underwent a hepatectomy were compared among the four below groups according to the seropositivity of AFP and DCP: group A, seronegative for both AFP below 20 ng/mL and DCP below 40 mAU/mL; group B, seropositive for AFP above 100 ng/mL and seronegative for DCP; group C, seronegative for AFP and seropositive for DCP above 100 mAU/mL; and group D, seropositive for both AFP and DCP. RESULTS: Group B patients showed a higher incidence of HCC with an indistinct margin, and a somewhat higher incidence of small HCC less than 2 cm in greatest dimension compared with group C patients. By contrast, group C patients had a higher frequency of HCC with a distinct margin compared with that of an indistinct margin, large tumors more than 3 cm compared with that of small tumors less than 2 cm, and a somewhat higher frequency of moderately to poorly differentiated HCC compared with that of well-differentiated HCC. Our HCC cases showed advanced clinicopathological features in the order of group C, group B and group A. Groups C and D patients showed similar characteristics. CONCLUSIONS: Hepatocellular carcinoma patients who were seropositive for AFP alone demonstrated clinicopathological features of less advanced HCC compared with those who were seropositive for DCP alone.  相似文献   

12.
We have compared the immunological features of two matched groups of seronegative and seropositive haemophilia A individuals. Both groups were exposed from 1981 to 1985 to comparable amounts and batches of FVIII concentrates not subjected to virus inactivation procedures, and had therefore a 100% probability of receiving HIV-contaminated material. The presence of proviral HIV-1 sequences was evaluated by PCR in the DNA from peripheral blood lymphocytes and/or monocytes. After hybridization with specific probes, DNA from all seropositive haemophiliacs revealed HIV sequences; no HIV sequences were observed from the DNA of seronegative patients, even after two rounds of amplification, thus suggesting that these patients were not affected by a latent HIV infection. Seronegative/PCR- and seropositive/PCR+ patients showed a normal and reduced number of CD4+ lymphocytes, and a slight and marked increase of CD8+ cells respectively. Activated T cells expressing the HLA-DR antigen were elevated in both groups. Interestingly, a significant reduction of circulating CD56+/CD3- NK lymphocytes was observed only in seropositive haemophiliacs, whereas NK lymphocytes with CD56+/CD3+ phenotype were within normal levels in both groups. In seropositive patients no correlation was found between the number of CD4+ and CD56+/CD3- lymphocytes. The marked reduction of CD56+/CD3- lymphocytes observed in seropositive haemophiliacs in addition to the CD4+ cell depletion may represent a key pathogenetic factor which facilitates the onset and/or the progression of HIV-1 infection in haemophiliacs, and is related to the capacity of HIV to infect NK cells.  相似文献   

13.
115例混合型肝癌临床病理特征及预后分析   总被引:1,自引:0,他引:1  
目的 研究混合型肝癌的临床病理特征及预后.方法 收集复旦大学肝癌研究所1995年至2007年经病理检查确诊的115例混合型肝癌患者临床病理及随访资料,分析混合型肝癌的临床病理特征.以Kaplan-Meier法计算患者1、3、5年生存率及无瘤生存率并行Log-rank法分析,探讨与混合型肝癌预后相关的影响因素.结果 115例患者中Allen A型和B型各1例,其余113例均为C型.患者以男性为主,多伴肝硬化,可出现甲胎蛋白水平升高、CA19-9水平升高、门静脉系统血管侵犯、包膜不完整、淋巴结转移等表现.115例患者的1、3、5年总体生存率分别为68.1%、38.1%、33.6%,中位生存时间为13.0个月.行根治性切除术者1、3、5年总体生存率分别为78.4%、44.4%、44.4%,中位生存时间为16.0个月;无瘤生存率分别为57.8%、12.6%、0.0%,中位复发时间为10.0个月.10例非手术治疗者1、3、5年总体生存率分别为1/10、0/10、0/10,中位生存时间为5.3个月.TNM分期是患者术后生存的独立影响因素,淋巴结转移是患者根治性切除术后无瘤生存的独立影响因素.结论 混合型肝癌临床病理特征接近肝细胞癌,但预后较肝细胞癌差.TNM分期是患者术后生存的独立影响因素.
Abstract:
Objective To assess clinicopathological features and prognosis of patients with combined hepatocellular and cholangiocarcinoma (cHCC-CC). Methods Clinicopathological and follow-up data of 115 cHCC-CC patients confirmed pathologically in Liver Cancer Institute of Fudan University from 1995 to 2007 were analyzed. Kaplan-Meier method was used to calculate 1-,3- and 5-year survival rates and tumor-free survival rates. Survival curves were analyzed using the log-rank test. The factors that impacted the prognosis of cHCC-CC were estimated. Results In 115 cases, one was Allen's type A, one was Allen's type B, and the other 113 were Allen's type C. Being with male in predominance, most of the cHCC-CC patients had liver cirrhosis background. They presented with elevated AFP or CA19-9, vascular invasion, resembling hepatocellular carcinoma(HCC)as well as lymph nodes metastasis. One-, 3-, 5-year survival rates of 115 patients were 68. 1%, 38. 1% and 33.6%, respectively, with median survival time of 13.0 months. Whereas the 1-, 3-, 5-year survival rates in radical resected patients were 78.4 % ,44.4 % and 44.4 % ,respectively, with median survival time of 16.0 months. Tumor free survival time at 1-, 3- and 5-year was 57.8 %, 12.6 % and 0.0 %,respectively,with median recurrent time of 10.0 months. One-, 3-, 5-year survival rates of 10 nonsurgical patients were 10/10,10/10 and 0/10,respectively, with median survival time of 5.3 months.TNM stage was independent factor for prognosis of the patients after resection. Whereas the lymph nodes involvement was independent factor for the tumor free survival time of radical resected patients.Conclusions Although clinicopathological characteristics of cHCC-CC are more similar to those of HCC, the prognosis of cHCC-CC is more unfavorable than that of HCC. TNM stage is an independent determinant of long time outcome for patients after resection.  相似文献   

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Little information is available on the immune response to parvovirus B19 after the administration of contaminated blood products. In the present study, we found that levels of B19 IgG in B19-seropositive recipients protect against reinfection and, after transfusion with pooled plasma containing B19 DNA (1.6 x 10(8) IU/mL), increase from 19-39 IU/mL to 50-100 IU/mL. We found that, in the presence of 1.6-2.2 x 10(8) IU of B19 DNA/mL in B19-seronegative recipients, a pooled-plasma B19 IgG level of 59.5 IU/mL is insufficient to prevent B19 transmission and subsequent seroconversion. These data should lead to improvements in the assessment of blood-product safety.  相似文献   

16.
乙型肝炎病毒e抗原阴性慢性乙型重型肝炎85例临床特点   总被引:1,自引:0,他引:1  
中国慢性乙型肝炎防治指南中,已参照欧美诊治指南将慢性乙型肝炎分为HBeAg阳性和阴性两类,两类肝炎的临床特点、疗效以及预后等均有所不同。现将HBeAg阴性与HBeAg阳性的慢性乙型重型肝炎进行比较,分析HBeAg阴性的慢性乙型重型肝炎临床特点与预后。一、资料与方法1.对象:2002年7月至2004年12月在北京地坛医院住院治疗、出院诊断为慢性乙型重型肝炎的204例患者,其中HBeAg阴性85例,HBeAg阳性119例;男169例,女35例;慢性乙型重型肝炎早期53例、中期65例、晚期86例。  相似文献   

17.
乙型肝炎和肝癌患者乙型肝炎病毒前C区1896位点突变的研究   总被引:30,自引:0,他引:30  
为探索乙型肝炎病毒前C区突变是否与肝损程度及肝癌发生有关,对139例HBsAg、HBVDNA和抗-HBe阳性,HBeAg阴性的慢性HBV感染者和肝癌患者的血清标本,采用3'碱基特异性聚合酶反应进行了第1896位核苷酸突变的检测分析。  相似文献   

18.
The prevalence of hairy leukoplakia was determined among 176 symptomatic HIV seropositive patients seen at the outpatient department of the Institute of Tropical Medicine in Antwerp, Belgium. Moreover, systematic tongue biopsies were performed during postmortem examination of 21 patients with AIDS, 100 HIV seronegative immunocompromised patients with haematologic or other malignancies and 100 HIV seronegative non-immunocompromised patients who died at the University Hospital Antwerp. Hairy leukoplakia was observed in 52 (29.5%) of the outpatients, but only in one (5%) of the AIDS patients in the postmortem study (P = 0.03). An explanation for this difference may be that significantly more AIDS patients who died had received either acyclovir or ganciclovir during the 3 months prior to the postmortem examination than the HIV seropositive outpatients during the 3 months prior to examination. Hairy leukoplakia occurred more often in Caucasian homosexual men with HIV infection (38%) than among heterosexual Africans with HIV infection (17%) (P = 0.06). Hairy leukoplakia was observed in none of the HIV seronegative patients.  相似文献   

19.
Synovial fluid acid phosphatase was investigated in 82 arthritic patients with hydropsy in a knee joint. 39 of the patients were seropositive and 43 seronegative. 36 of the seropositive group had erosive rheumatoid arthritis. The mean synovial fluid acid phosphatase in the seropositive group, 11.6 U/l (SD +/- 8.4), was significantly higher (p less than 0.001) than in the seronegative group, 6.5 U/l (SD +/- 4.8).  相似文献   

20.
Clinical Rheumatology - Anti-citrullinated protein antibody (ACPA) and rheumatoid factor (RF) status are important predictors for rheumatoid arthritis (RA) erosivity. Qualitative differences on...  相似文献   

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