FNAC is an accurate method in the diagnosis of lymphomas when the cytologic diagnosis is corroborated by immunophenotyping. However, an increasing use of FNAC for primary diagnosis and classification of lymphomas may result in a loss of archival tissue for complementary analyses, reclassification, and research purposes. In addition, some of the lymphoma entities are impossible to diagnose with use of the FNAC technique.

Two hundred sixty-two adult patients with Hodgkin's disease (HD) were studied. Incorporation of carbon-14-thymidine was measured in unstimulated monocyte-depleted lymphocyte cultures, and in cultures activated by concanavalin A (Con-A) before institution of therapy in all patients. Total blood lymphocytes and T-cell subsets were enumerated in the last 108 patients. Patients had significantly decreased total (CD3+, CD4+, CD8+) and relative (CD3+, CD4+) T-cell counts compared with healthy controls. Stage IV patients tended to have lower total lymphocyte and subset counts than remaining patients. However, significantly reduced total lymphocyte and CD8+ counts were only observed in comparison to patients in clinical stage II. Thirty-three percent of patients had an increased spontaneous and a decreased Con-A-induced blood lymphocyte DNA synthesis. Functional lymphocyte abnormalities were related to advanced clinical stage, high age, mixed cellularity, and lymphocyte depletion histopathology and presence of B symptoms. The 10-year survival of patients in this group was 36%, compared with 62% for the remainder. In a multivariate analysis of the whole series lymphocyte DNA synthesis was besides age the strongest predictor of prognosis. In univariate analyses of the second patient series total lymphocyte, T-cell and subset counts were related to prognosis. These relatively simple lymphocyte functional tests may help to identify young HD patients for whom intensive cytoreductive therapy with or without autologous stem cell support may be the best therapeutic option.

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In the light of previous findings that treatment of leukemia patients with DNA-linked doxorubicin gave higher doxorubicin concentrations in leukemic cells than treatment with doxorubicin alone, the Leukemia Group of Middle Sweden performed a randomized clinical trial to compare the effects of doxorubicin and doxorubicin-DNA in patients with acute non-lymphoblastic leukemia. One hundred and twenty consecutive patients within the age range 15 to 60 years were randomized to one of three treatment groups. In two of these, remission induction treatment was performed with prednisolone, vincristine, ara-C and thioguanine combined with either doxorubicin or doxorubicin-DNA. Patients entering a complete remission received intensive consolidation during 16 months with 4 courses each of doxorubicin (+/ - DNA)/ara-C, doxorubicin (+/ - DNA)/azacytidine, ara-C and amsacrine. The third treatment group followed a protocol from a previous study with daunorubicin and ara-C for induction therapy and a less intensive maintenance therapy. No further patients were assigned to this "control" group after 3 years or to the two other groups after 6 years. This report is based on a follow-up 31 months thereafter. The overall rate of complete remission was 67% and the mean time to complete remission was 71 days, with no differences between the treatment groups. Patients treated with the doxorubicin-DNA conjugate had a significantly longer survival [median for all patients 27.2 months (p < 0.01) and for patients in CR 47.0 months (p < 0.025)] and longer duration of first remission (median 23.6 months, p < 0.025) than the other groups. There were significantly fewer reports of cardiotoxicity (p < 0.05) and severe intestinal toxicity (p < 0.02) in patients treated with the doxorubicin-DNA conjugate and there was a tendency towards less hepatic (p < 0.08) and renal toxicity (p < 0.08). The frequency of myelosuppression, fever and infectious complications was similar in all three groups. Complex binding to DNA appears to increase the therapeutic effects and reduce some toxic effects of doxorubicin in patients with ANLL.

A series of 182 patients with Hodgkin's disease, diagnosed between January 1973 and December 1978 was used to identify prognostic factors with special reference to age. There were 118 men and 64 women (mean age, 47 years; r = 15–92). During the same period 57 elderly patients who were never referred, were reported to the Local Cancer Registry. The diagnosis had been established shortly before death or at autopsy. The 182 patients under study were evenly distributed in Stages I‐IV. Nodular sclerosis (38%) and mixed cellularity (38%) were the most common histologic subtypes. The 5‐year survival probability estimate was 28% in patients above 50 years as compared to 74% in the remainder. Survival was significantly better in patients with Stage I‐II disease and lymphocyte predominance/nodular sclerosis histopathology. Age was the main prognostic factor in the whole series as well as in patients older than 50 years. However, in young patients advanced clinical stage and B‐symptoms were related to a poor prognosis. Biologic indicators such as ESR, hemoglobin and albumin were intimately linked to the extent of disease and did not add prognostic information besides that given by the clinical stage. It is concluded that the prognosis in elderly remains poor and appears to be partly unrelated to those factors which determine the prognosis in the young, assumingly reflecting a depressed host‐response and/or a decreased tolerance to intensive treatment. Cancer 53:1202‐1208, 1984.