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Although hairy cell leukaemia was first described 40 years ago, it is only in the last decade that newer therapeutic agents have enabled effective treatment. The purine nucleoside analogue, 2-chlorodeoxyadenosine (2-CdA) is currently considered as first-line therapy with a very high rate of complete remission. Although adverse events with 2-CdA are increasingly recognized, severe cutaneous reactions have been reported rarely. We describe two consecutive patients treated with 2-CdA for hairy cell leukaemia who both suffered extremely severe cutaneous reactions, one of which was life-threatening.

Earlier studies have indicated a role for serum lactic dehydrogenase (LDH) in haematological and other malignancies. As this is still not a routine test in many units, its value has been re-examined in a retrospective analysis of serum LDH levels in 278 patients with haematological malignancies managed in a single unit. Abnormal levels at diagnosis were found in 42% of these disorders; yet analysis of over 23,000 routine requests for a biochemical screen showed only 4% with an abnormal LDH level. The estimation was also valuable in follow-up of those haematological patients, with rising levels often indicating progressive or relapsing disease even in cases which had shown a normal LDH at diagnosis.

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We have prospectively evaluated a regimen of mitozantrone and cytosine arabinoside (Ara-C) as first-line therapy in elderly patients with acute myeloid leukaemia (AML). One hundred and four patients with a median age of 68 (range 60-81) were studied, in whom 86 had de-novo AML, and 18 had preceding myelodysplasia or secondary AML. Complete remission was achieved in 64% of de-novo cases, in 28% of MDS/secondary cases, and in 58% overall. The incidence of early death within 28 d of chemotherapy was 11%. The median disease-free survival (DFS) was 11 months with an actuarial DFS of 15% at 43 months. The median overall survival was 9 months with an actuarial survival of 10% at 44 months. The incidence of non-haematological toxicity was acceptably low, and usually of mild to moderate severity. Quality of life was improved, or unchanged, in 90% of responders. We conclude that mitozantrone and ara-C is an effective and well-tolerated regimen which produces high remission rates in elderly patients with AML.

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Summary The presenting features of 120 consecutive cases of myeloma diagnosed in a single unit were examined. Screening tests on routine laboratory samples increased the detection rate but did not significantly reduce the percentage of cases presenting with late stage disease. Morbidity was closely related to the incidence of bone involvement already present at diagnosis. About one fifth of cases had reported suspicious symptoms for some considerable time before further investigation was forthcoming. Almost half had ‘benefitted’ by having concurrent disease which often led to the discovery of myeloma at an early stage. These findings, together with the wide variety of symptomatology and few physical signs, stressed the critical importance of having a high index of suspicion and thus taking suitable blood samples without unnecessary delay.