“…Occasionally, patients present nonspecific signs and symptoms as well flank pain, weight loss, fever, hematuria, and palpable mass [6]. Acute renal failure due to lymphomatous infiltration of the kidney has rarely been reported [7,8,9,10,11,12,13,14,15]. In this case report, we describe a 19-year-old male who presented with painless hematuria, acute kidney injury, and bilateral renal masses.…”