Case Presentation: A 23-year-old- female with a past medical history of neuromyelitis optica on rituximab and hydronephrosis was found to have a culture-negative renal abscess. She had first presented 4 months prior at 26 weeks of pregnancy with complaints of a painful mass in her urethra, and right hydronephrosis was seen on CT. Prior to [...]

Case Presentation: A 74-year-old man with history of diffuse B cell lymphoma presented with 2 day history of fever, urinary frequency and dysuria, associated with poor oral intake, weakness and lightheadedness. He had completed the 6th and final cycle of chemotherapy with Rituximab, Cyclophosphamide, Doxorubicin, Vincristine and Prednisone, about 8 days prior to presentation. Vital [...]

Case Presentation: A 70-year-old male presented with a low-grade fever, progressive weakness and urinary frequency. Prior to this admission, he had a diagnosis of recurrent urinary tract infection (UTI) that was treated with antibiotics. A CT scan of his abdomen and pelvis, performed out of concern for an abscess, revealed right-sided ureterohydronephrosis. A stent was [...]