Kidney & Urinary Tract Disorders
Ji is a 12-month-old Japanese girl who presents to the Emergency Department. She has a 2-day history of fever and vomiting. Her mother is concerned that she is dehydrated. On examination she is well hydrated and has marked coryza. She has an inflamed pharynx. A urine sample from a bag is sent to the laboratory. You obtain the following result from the microscopy and culture: white blood cells 100/mm 3 ; red blood cells negative; organisms, none seen; red cell casts, none seen; culture, not available. For each of the following patients who have urine microscopy and culture sent from the Emergency Department, select the most likely diagnosis.
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