Renal Mass Associated With Polycythemia

Renal Cystic Disease

“…In children, presenting symptoms may be a palpable mass, hematuria following abdominal trauma, or mild proteinuria. Simple cysts have also been associated with urethral valves or prostatic hypertrophy with calyceal obstruction (230)(231)(232), ureterovesical reflux (233), erythrocytosis (234,235), intestinal or biliary obstruction (236), hypertension (237)(238)(239), and urinary tract infection (240,241).…”

Management of Renal Cystic Disorders

“…Benign renal cysts have been associated with erythrocytosis, and in a few instances increased amounts of erythropoieten have been isolated from the cyst fluid (225)(226)(227). In one patient the erythrocytosis remitted after decompression of the cysts (228).…”