Shafaq Samad, Jahanzeb Khaliq, Mehwish Taj, Tahir Sultan Shamsi.
Frequency of Tumor Lysis Syndrome in Acute Leukemia.
Natl J Health Sci Jan ;4(2):67-70.

Introduction: Acute leukemia is characterized by the presence of 20% or more blasts in peripheral blood and/or bone marrow biopsy. It includes both AML & Acute ALL. However the diagnosis of AML can also be made when the blast percentage in peripheral blood or bone marrow is < 20 % if there is an associated t (8;21), inv (16), or t (16;16) chromosomal abnormality or PML-RAR fusion gene [1-3]. Tumor lysis syndrome is the most common disease related emergency in patients with leukemia & requires immediate management. Objective: To ascertain the Frequency of TLS in Acute Leukemia. Study design: Cross sectional study. Setting: NIBD & BMT, Karachi. Duration of study: The duration of study was 6 months i.e. from May 2016 to November 2016. Results: 111 patients were enrolled in this study. 41 (36.9%) patients were female & 70 (63.1%) were male, with mean age of 42.8+-15.5 years. 66 (59.4%) patients were found to have AML & ALL was seen in 45 (40.6%) patients. Tumor lysis in AML was seen in 21 patients (18.9%) of which 15 patients (13.5%) had LTLS & 06 patients (5.4%) had CTLS. Tumor lysis in ALL was seen in 23 patients (20.7%) of which 16 patients (14.4%) had LTLS & 07 patients (6.3%) had CTLS. Conclusion: TLS is a frequently common disease related complication in patients with acute leukemia. LTLS is found to be more common than CTLS both in AML & ALL.

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