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Internal Medicine Cases Case number 27 A 38-year-old man -newly diagnosed as high grade B cell lymphoma - who received bendamustin as the chemotherapy agent 4 days ago came to the emergency ward with the complaint of severe diarrhea (10 times a day) and significant urine output…
Inspite of 3 liters isotonic administration, the patient remained anuric and only 20 cc urine was present in the urine bag

The patient was not edematous and heart and lung sounds in auscultation remained clear with no obvious pathology.

Follow up Lab tests

K 3.6
P 7.1
Mg 1.5
Ca 7.1
Alb 3.1
Uric acid 10.6

Random urine sample
Cr 50 mg/dl
Uric acid 60 mg/dl

In sonography, kidneys were normal sized with increased corticomedullary differentiation and increased paranchymal echo with no signs of hydronephrosis.
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