THE INCIDENCE AND DISTRIBUTION OF LEUKEMIA AND LYMPHOMA WITHIN NORTHERN-IRELAND IN THE PERIOD 1989-1993

This is the first attempt to systematically record haematological mali gnancies in Northern Ireland. The methods are identical to a similar e ffort in other parts of the UK,(1) except that an independent cross ch eck with a cancer registry source was not possible, In addition proble ms with the census may create differences. Generally, the rates for th e leukaemias are slightly lower than in England and Wales, except for acute lymphoblastic leukaemia whilst non-Hodgkin's lymphoma rates are higher. It remains to be seen how stable this situation is as further data are accumulated.