A 65-year-old female presented to a urologist with complaints of nausea, vomiting, and left flank pain for the last two days, along with intermittent fever. Furthermore, the patient reported a burning sensation during urination and had to use the washroom multiple times. An abdominal examination showed tenderness in the left flank and suprapubic tenderness on palpation.

History:ย  She was diagnosed with diabetes twenty years ago. Her vital signs were as follows: Blood pressure - 100/70 mmHg Heart rate - 98/min Respiratory rate - 16/min Temperature - ย 102 o F Pathology results HbA1c - 7 mmol/L Urine: 22 WBC cells per cubic millimeter ย  * T his Case Challenge is from the Editorial Team of Docplexus and is meant for educational purposes only.