Muhammad Javed Asif, Nasir Mehmood Chughtai, Zafar Iqbal, Ayesha Ehsan, Sarah Arif.
Pattern of chronic leukemia at Shaikh Zayed Hospital, Lahore.
Proceeding Shaikh Zayed Postgrad Med Inst Jan ;16(1):24-9.

One hundred and eleven patients of chronic leukaemia were diagnosed over of a period of 6-1/2 years (January 1994 to June 2000), at Haematology Department of Shaikh Zayed Hospital, Lahore. Chronic leukaemias constituted 34% of the total 326 patients with all types of leukaemias diagnosed during the same period. Median age at the time of diagnosis for chronic leukaemias was 40 years (range 2 months to 80 years). Male to female ratio was 1.6:1. Chronic myeloid leukemia (CML) accounted for 88 patients (79.3%), and chronic lymphocytic leukaemia for 23 patients (20.7%). Median age at presentation was 35 years (range 2 months to 75 years) for CML and 60 years (range 30-80 years) for CLL. One 44 years old male diagnosed as hairy cell leukaemia (HCL), was included in CLL patients. Age distribution showed a contrasting pattern for CML and CLL. CML was especially frequent in young and middle-age adults and showed a peak in 4th decade of life. CLL on the other hand, mainly occurred in people over 50 years, with a peak in 6th decade of life. Both the types of chronic leukaemias were more common in males. CLL however showed more pronounced male predominance.

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