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A rare cause of anuria in a case of pre-B acute lymphoblastic leukaemia

Renal failure in cases of acute lymphoblastic leukaemia during induction is mainly because of sepsis and tumour lysis syndrome. This 18-year-old man had sudden onset anuria with increase in creatine. At this time, patient did not have any overt signs or laboratory features suggestive of sepsis. Imaging studies documented bilateral hydronephrosis. Ureteroscopy was done, and it showed presence of soft tissue mass obstructing the ureter. On the the left side, it was noted in its middle part and on the right, at the ureteropelvic junction. The mass on the left side was removed under ureteroscopic guidance and was sent for histopathology examination. It was confirmed to be fungal ball on histopathology examination. Though rare, even in immunocompromised patients, bilateral fungal ball should be considered in differential diagnosis in cases of acute leukaemia with sudden onset anuria. We share our experience in managing this case for which there are no clear guidelines.