Case presentation A 41-year-old female presented to a surgical outpatient clinic with a four-year history of bilateral flank pain, described as dull, aching, and non-radiating. She was a retroviral disease-positive patient and had been on highly active antiretroviral therapy for seven years. The patient also reported a history of fever, pneumaturia, hematuria, and vomiting. However, she had no history of diabetes or alcohol use.
Physical examination Vital signs – Normal A healthy-looking woman Head and neck, chest, abdomen, and limb findings – Unremarkable. Laboratory tests Urinalysis – Two to three RBCs per high-power field Urine microscopy, culture, and sensitivity tests – Klebsiella spp. positive with sensitivity to levofloxacin Hematological parameters, fasting blood glucose, and CD4 counts – Normal Computed tomography scan of abdominopelvic (Figure 1) Multiple air collections…