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A population-based series of patients with cancer is likely to comprise more patients with serious co-morbidity than clinical trials because of restrictive eligibility criteria for the latter. Since co-morbidity may influence decision-making, we studied the age-specific prevalence of co-morbidity and its relationship to applied treatment. Data on all 194 patients with Hodgkin's disease (HD) and on 904 patients with non-Hodgkin's lymphoma (NHL) diagnosed between 1993 and 1996 were derived from the Eindhoven Cancer Registry. In the age-group below 60 years, 87% of patients with HD and 80% with NHL did not have a co-morbid condition. The prevalence of serious co-morbidity was 56% for patients with Hodgkin's disease who were 60 years and over and 43% and 61% for non Hodgkin patients who were 60-69 years and 70 years and over, respectively. The most common co-morbid conditions were cardiovascular disease (18%), hypertension (13%), chronic obstructive pulmonary disease (COPD; 13%), and diabetes mellitus (10%) for elderly Hodgkin's patients. For non-Hodgkin's patients of 60-69 years and 70 years and over, cardiovascular disease (15 and 22%, respectively), hypertension (14 and 14%, respectively), COPD (6 and 10% respectively), and diabetes mellitus (8 and 10%, respectively) were the most prevalent co-morbid conditions. The presence of co-morbidity was not related to stage or grade of disease at diagnosis. In the presence of co-morbidity, 50% less chemotherapy was administered to elderly patients with Hodgkin's disease and 10-15% less to elderly patients with non-Hodgkin's lymphoma. The presence of co-morbidity was associated with a decreased overall survival within the first 4 months after diagnosis in both Hodgkin's disease and non-Hodgkin's lymphoma for all age-groups. In conclusion, serious co-morbidity was found for more than half of all lymphoma patients who were 60 years and older. Elderly patients with serious co-morbidity received chemotherapy less often, which is likely to affect survival adversely, as was indicated by a decreased survival within the first 4 months after diagnosis.

Since prolonged remission can be induced in the majority of patients with Hodgkin's disease (HD), treatment-related mortality and morbidity have emerged. We investigated whether awareness of toxicity diminished treatment-related mortality for unselected patients treated between 1972 and 1993 in general hospitals in the southeastern Netherlands. We also estimated the prevalence of treatment-related morbidity among patients treated in the 1980s. Data were collected on all 345 HD patients registered in the Eindhoven Cancer Registry between 1972 and 1993. Medical records and histology were reviewed; follow-up ended in 1994. Administration of MOPP chemotherapy decreased, and there was a shift from total nodal irradiation to less extended low-dose radiotherapy. For cured patients the 10-year relative survival improved from 84% in the 1970s to 90% in the 1980s, which is reflected by a decline in excess mortality from 16% to 10%. The 10-year relative mortality risk due to secondary malignancies decreased from 4.3 (95% CI, 1.2-7.4) to 3.0 (CI 0.2-5.8), which is also reflected by a decline in the 10-year cumulative incidence for all cancers from 10% to 5%. However, the relative risk of late cardiovascular death, which is closely related to previous irradiation, barely changed, as shown by a decrease from 2.4 (CI 0.4-4.5) to 2.2 (CI.0-4.7). HD survivors profited less from the sharp decline in cardiovascular mortality observed for the general population. Among patients, the prevalence of serious treatment-related morbidity 5 years or more after initial diagnosis was 34%. In conclusion, modest decline in excess mortality among cured HD patients was observed in the 1980s, as reflected by a decrease in mortality due to second malignancies. However, late mortality, especially due to radiation-related cardiovascular disease, is still substantial. About one third of HD survivors suffer radiation-induced sequelae. Clinical trials to find ways to minimize iatrogenic complications are important.

An 81-year-old man known to have a stable cold agglutinin syndrome presented with a progressive cerebral hemorrhage. Coagulation tests revealed prolonged APTT and prothrombin time and severely decreased factor V activity, which could not be normalized by mixing with normal plasma. The patient appeared refractory to substitution with fresh-frozen plasma, suggesting the presence of a circulating inhibitor specific for factor V. To our knowledge, this is the first case of a lymphoproliferative disease leading to a cold agglutinin syndrome and a putative inhibitor of factor V. In patients with paraproteinemia presenting with bleeding diathesis, the presence of a circulating inhibitor of a specific coagulation factor must be considered.