Imaging quiz: Fever of undetermined origin in a soldier.

An athletic 26-year-old black male soldier presented with a 5-week history of intermittent fever up to a maximum of 102 degrees F (38.9 degrees C), 10-lb weight loss, and malaise. He denied any localizing signs or symptoms.

Multilocular cyst (multilocular cystic nephroma) of the kidney: a report of 2 cases with an unusual mode of presentation.

We report 2 cases of multilocular cyst (multilocular cystic nephroma) of the kidney in children who presented with sudden rapid growth of a renal mass.