Antopol Goldman lesion is a renal pelvis subepithelial hematoma or hemorrhage, a sporadic disease. Although the causes are not well established yet, multiple factors were linked. Radiology is the cornerstone for the diagnosis. However, it may be mistaken for renal tumors. Herein we present a case of a 17-year-old male who presented with recurrent flank pain and gross hematuria and was diagnosed with an Antopol Goldman lesion.