A mother of a 4-year-old boy presents to the hospital complaining about blood in his son's urine. The boy is in the 56th percentile in height and the 43rd percentile in weight. He denied any significant recent trauma and had been in good health. Medical history : Unremarkable Examination : He appears healthy and has normal vital signs. Cardiopulmonary examinations are normal. A firm and non-tender mass of 10 cm is identified in his left upper quadrant of the abdomen. No abnormalities were noted in the extremities.
His complete blood count (CBC) and electrolyte levels are normal. The urinalysis reveals 50 to 100 red blood cells per high-power field. What is the most likely diagnosis for this boy? NOTE: No other information about the patient is available. *This case is from the Editorial Team of Docplexus and is meant for educational purposes only. Source: Case Files Surgery (The answer…
