Identification of renal infiltration based on urinary findings in a child with Burkitt leukemia/lymphoma

Abstract

A 9-year-old boy was admitted to hospital with oliguria, hypertension and periorbital edema. A complete blood count showed hemoglobin concentration 83 g/L, platelet count 43 3 10 9 /L and leukocyte count 46 3 10 9 /L. Biochemical investigations revealed elevated uric acid (9 mg/dL) and lactate dehydrogenase (2400 IU/L). The diagnosis of precursor B acute lymphoblastic leukemia (ALL) (CD10, CD19, CD22,