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Query: UNIPROT:Q06643 (non-Hodgkin's lymphoma)
 11,307 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

The Southwest Oncology Group (SWOG) has completed five studies of high-dose intermittent combination chemotherapy for the management of advanced (stage III and IV) non-Hodgkin's lymphoma involving 1143 patients from May 1966 to September 1974. Lack of uniform histopathologic interpretation precludes precise analysis of these data. Although there has been little change in complete response duration over the years of this study, there has been an overall improvement in response rate and survival though there is no statistically significant improvement in the best overall survival when compared to the Stanford experience in stage III and IV disease (1960-71). The response rate and survival in diffuse histiocytic lymphoma have improved since the first study. There is definite evidence of a plateau in the survival curve beyond 2 years. The percentage of survival at which the plateau appears has increased over the years to 40% in the most recent studies, and the survival is suggestively better than the Stanford experience (P = 0.09). Over the years there has been a distinct improvement in response rate and survival of patients with nodular lymphocytic lymphoma, although the best SWOG survival is no different than the Stanford experience (P = 0.36).
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PMID:Chemotherapy of non-Hodgkin's lymphoma: 10 years' experience in the Southwest Oncology Group. 7 Dec 6

The number of patients with non-Hodgkin's lymphoma who develop acute myelogenous leukemia is relatively small. The case of a patient with histologically proven diffuse histiocytic lymphoma who died with unequivocal acute myelogenous leukemia 5 years after the lymphoma diagnosis is presented. The difficulties in differential diagnosis are cited with a review of the literature.
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PMID:Non-Hodgkin's lymphoma terminating in acute myelogenous leukemia. 10 Oct 11

Cells from 32 adult patients with non-Hodgkin's lymphoma were studied with respect to surface markers and functional properties in short-term culture. Twenty-six lymphomas were of B-cell origin, including all nodular and diffuse lymphocytic lymphomas. Three tumors were of T-cell origin (one histiocytic lymphoma and two undifferentiated lymphomas). In the remaining three cases (histiocytic lymphomas) the immunological nature of the tumor cells could not be determined. All reactivity to mitogenic stimuli of cells from B-cell lymphomas was due to residual normal T cells. In follicular lymphocytic lymphomas more reactive T cells prevailed among the malignant B cells than in diffuse lymphocytic lymphomas. Heterogeneity among B-cell lymphomas was indicated by differences in intensity of fluorescence with anti-Ig reagents and in stimulatory capacity in mixed lymphocyte culture. T-cell lymphomas were characterized by high percentages of T cells together with impaired responses to stimuli. The results of immunological studies correlated well with the histological classifications of Rappaport, Lukes and Lennert.
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PMID:Surface markers and functional properties of non-Hodgkin's lymphoma cells in relation to histology. 15 44

The B- and T-lymphocyte distribution was studied in 45 patients with malignant lymphoproliferative diseases. Eight patients with untreated Hodgkin's disease had normal mean percentages of complement receptor lymphocyte (CRL) cells and T-cells; however, the mean absolute number of T-cells was decreased. T-lymphocytes were also decreased in 3 patients with Hodgkin's disease treated 7-24 months previously. The number of T-lymphocytes increased markedly in all patients after treatment. Lymphocyte surface markers in non-Hodgkin's lymphoma showed distinctive patterns. Patients with leukemic reticuloendotheliosis or "hairy cell leukemia" characteristically had low percentages of CRL but normal or increased percentages of surface immunoglobulin-positive lymphocytes. The mean percentage and number of T-lymphocytes in this group were normal. Eight patients with nodular lymphocytic lymphoma and 2 patients with nodular lymphocytic-histiocytic lymphoma had normal mean numbers of CRL but decreased numbers of T-lymphocytes. Of 6 patients with diffuse lymphocytic lymphoma, 4 had elevated percentages and numbers of CRL. Despite low percentages, normal numbers of T-lymphocytes were found in 3 of these patients.
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PMID:Immunologic abnormalities in patients with malignant lymphoproliferative diseases. 32 4

Two hundred and ninety-eight evaluable patients with non-Hodgkin's lymphoma were stratified according to histology, treated with either BCNU, cyclophosphamide, Oncovin (vincristine), and prednisone (BCOP) or cyclophosphamide, Oncovin (vincristine), and prednisone (COP), and evaluated at 3 months. Those with a good partial (PR) or complete response (CR) were then separated and randomized to be treated with either cycle-active therapy (methotrexate, cytosine arabinoside, and 6-thioguanine) or more induction therapy with COP or BCOP. Patients not achieving a good PR at 3 months received cycle-active therapy. The results indicate (a) that there is a significant advantage for good over poor histologies with regard to good PRs at 3 months; (b) that the addition of cycle-active therapy (as administered in this study) is of advantage when the tumor has been significantly reduced only for patients receiving COP induction; and (c) that BCOP has an advantage over COP in diffuse histiocytic lymphoma where the percentage of CRs, their durability, and subsequent survival are superior for patients treated with BCOP. Since this lymphoma accounts for about 25% of all non-Hodgkin's lymphoma patients, this regimen represents a useful tool for the chemotherapist.
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PMID:BCNU with and without cyclophosphamide, vincristine, and prednisone (COP) and cycle-active therapy in non-Hodgkin's lymphoma. 33 45

Lymphoma Pathology Panel and Repository (LPPR) review of pathologic material from 354 patients registered on Southwest Oncology Group clinical trials substantiated the diagnosis of Hodgkin's disease (Lukes-Butler classification) in 175 (94%) of 186 cases and the diagnosis of non-Hodgkin's lymphoma (Rappaport classification) in 162 (96%) of 168 cases. However, complete agreement (type and subtype) between institutional and LPPR review diagnoses was found in only 66% of confirmed cases of Hodgkin's disease and in only 58% of confirmed cases of non-Hodgkin's lymphomas. In 26 (16%) of 160 cases of non-Hodgkin's lymphoma, the initial interpretation of pattern (nodular vs diffuse) differed: 20 (25%) of 81 nodular lymphomas had been thought to be diffuse and 6 (8%) of 79 diffuse lymphomas had been diagnosed as nodular. The frequency with which initial diagnoses were confirmed on LPPR review was highest for three subtypes of lymphoma: nodular sclerosis Hodgkin's disease (88%), diffuse histiocytic lymphoma (86%), and nodular lymphocytic lymphoma (78%); rates of confirmation for all other subtypes ranged from 13-50%. The results of this analysis emphasize the necessity of having pathologic review of all cases entered on major lymphoma studies so that comparability of cases can be assured and the results of those studies placed in proper perspective.
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PMID:Histopathologic review of lymphoma cases from the Southwest Oncology Group. 33 62

Thirty-six patients with stage III and IV Hodgkin's disease and non-Hodgkin's lymphoma, who had become refractory to conventional chemotherapy, were treated with VM-26. Complete remissions were documented in two patients with diffuse histiocytic lymphoma. Six patients (four with non-Hodgkin's lymphomas and two with Hodgkin's disease) had partial remissions. The overall response rate was 22% (eight of 36 patients). Hematologic toxicity was the most frequent dose-limiting toxicity. Nonhematologic toxic effects were mild and acceptable. This study demonstrates that VM-26 can produce tumor responses in refractory lymphomas. The Eastern Cooperative Oncology Group is currently planning two new phase II studies to incorporate VM-26 with other active new agents, one involving hexamethylmelamine and the other involving cis-dichlorodiammineplatinum(II).
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PMID:VM-26, a new anticancer drug with effectiveness in malignant lymphoma: an Eastern Cooperative Oncology Group Study (EST 1474). 36 93

The records of a group of 337 adult patients with non-Hodgkin's lymphoma seen at the Stanford University Medical Center, Division of Oncology were examined for relationships between stage and histopathological classification and simple demographic characteristics. Patients with Stages I and II of disease and diffuse varieties of lymphoma were found to be younger than patients in other categories. An excess of male patients was noted particularly in younger patients with diffuse lymphoma and Stages I and II of disease. Male patients with Stages I and II disease were noted to be bimodally distributed with respect to age, with peak number of patients in the fourth and sixth decades. This was particularly apparent among patients with diffuse histiocytic lymphoma. The implications of these findings are discussed.
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PMID:Differences in age and sex distributions among patients with non-Hodgkin's lymphoma. 37 59

An analysis of non-Hodgkin's lymphoma involving the orbital structures was performed at the University of Iowa between 1937 and 1975. Sixteen cases of primary orbital lymphoma were diagnosed. Histopathologic reclassification according to the Rappaport scheme and the clinical course of each histologic sub-category was described. There were 5 patients with reactive hyperplasia, 2 patients with well-differentiated lymphoid proliferation with Dutcher bodies which were also felt to be reactive, 3 patients with diffuse poorly differentiated lymphocytic lymphoma, 4 patients with nodular poorly differentiated lymphocytic lymphoma, and 2 patients with diffuse histiocytic lymphoma. It was concluded that the Rappaport classification is applicable to orbital lymphoid tumors and that those lymphomas which do present as primary tumors should be staged as one would stage the same histologic category of lymphoma presenting in other sites. Radiation therapy appears to be an effective treatment for local control; however, patients with primary orbital lymphoma should undergo observation for systemic disease similar to patients with lymphoma presenting in other sites. Excisional biopsy is recommended to facilitate precise classification.
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PMID:A clinicopathologic study of orbital and adnexal non-Hodgkin's lymphoma. 38 65

The effect of adjuvant combination chemotherapy when given to non-laparotomized patients in remission after radiotherapy in stage I or II non-Hodgkin's lymphoma was studied in a prospective randomized multicenter study. Locally extended field radiotherapy was given to a target absorbed dose of 40 Gy in 20 fractions. Fifty-five patients who were in complete remission 6 weeks after conclusion of radiotherapy were randomized to either no further therapy or to 9 cycles of CVP (cyclophosphamide + vincristine + prednisolone). The relapse-free survival at 30 months was 41% for patients without and 86% for patients with adjuvant chemotherapy (p = 0.02). The survival was the same for both treatment arms, being 90% at 30 months. Fifteen patients have relapsed, 14 of them with extensions and 1 with a recurrence within the radiation target volume. Analysis of subgroups showed that adjuvant chemotherapy in the present series significantly prolonged the relapse-free survival in diffuse histiocytic lymphoma.
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PMID:CVP-remission-maintenance in stage I or II non-Hodgkin's lymphomas: preliminary results of a randomized study. 38 73


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