A 56-year-old man comes to the emergency department with a 4…
A 56-year-old man comes to the emergency department with a 4-day history of colicky right flank pain that radiates to the groin and hematuria. Ultrasound examination of the kidneys shows right-sided hydronephrosis and a dilated ureter. Which of the following is most likely to be found on urinalysis?
Read Details