| epstein-barr-virus-associated gastric cancer in russia. | the present investigation was carried out to estimate the prevalence of ebv-associated cases among gastric carcinoma (gc) patients of russia and the republics of the former soviet union (fsu). with this aim, formalin-fixed paraffin-embedded blocks from 206 gastric carcinomas obtained from patients of the cancer research center, moscow, were investigated by ebv-encoded rna-1 (eber-1) in situ hybridization applied to paraffin sections. as a result, 18 gc cases (8.7%) revealed uniform eber-1 expres ... | 1997 | 9399652 |
| epstein-barr virus infected lymphoepithelial carcinomas of the salivary gland in the russia-asia area: a clinicopathologic study of 160 cases. | in order to determine the prevalence of the epstein-barr virus (ebv) infection in salivary gland lymphoepithelial carcinomas (lec), we have collected 160 cases from asian countries and russia. all the cases examined by pcr for ebv dna bamhi fragment and in-situ hybridization for eber-1, ebv encoded small rna, showed positivity for ebv infection in lec cells, while no positive signals were found in any other salivary neoplasm examined. the incidence of lec was highest in guanzhou, followed by sha ... | 2003 | 15357246 |
| [herpesvirus infections in immunocompromised patients]. | testing of immunocompromised patients for markers of beta-herpesviruses--human herpesvirus type 6 (hhv-6) and cytomegalovirus (cmv), as well as gamma-herpesvirus--epstein-barr virus (ebv), revealed that all mentioned infections are frequently detected, mainlyas mixed infections. chronic hhv-6 infection was diagnosed in more than half of the patients, whereas markers of acute phase of cmv and ebv infections were detected in 25% and 15% of patients respectively. | 2009 | 19338241 |
| large proportion of epstein-barr virus-associated small noncleaved cell lymphomas among children with non-hodgkin's lymphoma at a single institution in moscow, russia. | to evaluate clinical and biologic features of children with non-hodgkin's lymphoma (nhl) treated in moscow, russia, we studied 53 cases treated in the republican children's hospital from 1990 to 1994. histologic examination disclosed a predominance of the small noncleaved cell subtype (32 cases, 60%); a smaller percentage of the lymphoblastic and large-cell subtypes (14 cases, 26% and 7 cases, 13%, respectively) were identified. the frequencies of primary sites of involvement in descending order ... | 1999 | 10521071 |
| a case of hhv-8-associated hiv-negative primary effusion lymphoma in moscow. | primary effusion lymphoma is a rare tumor of b-cell derivation which is associated with human herpes virus type 8 (hhv-8) in 100% and with human immunodeficiency virus (hiv) in most of cases. the paper describes the first case in russia of hiv(-) hhv-8(+) epstein-barr virus (ebv)(+) primary effusion lymphoma in a male patient aged 56 years. the tumor was located in the pleural cavity. interestingly, the patient was hiv-negative while having a positive tumor hhv-8 test. there are only 22 similar ... | 2007 | 17245713 |
| [molecular biological and clinical-morphological studies of gastric tumors associated with epstein-barr virus]. | the paper presents the results of the studies of gastric cancer (gc) associated with epstein-barr virus (ebv) among the patients residing in 4 geographical regions. in situ hybridization (ish) techniques revealed that 49(11.4%) of the 430 examinees were ebv positive (ebv+), the virus-specific marker mrna-1 of ebv, eber-1) was found to be present in 80-100) of tumor cells. the proportion of ebv(+)-associated gc cases in different geographic regions ranged from 7.3 to 15%. these tumors were predom ... | 2000 | 10765732 |