1. Hospital Universitário da Universidade Federal do Piauí (HU-UFPI), Teresina, PI, Brazil. 2. Universidade Federal do Piauí (UFPI), Teresina, PI, Brazil. Mailing address: Dra. Renata Mendes da Silva. Hospital Universitário… Click to show full abstract
1. Hospital Universitário da Universidade Federal do Piauí (HU-UFPI), Teresina, PI, Brazil. 2. Universidade Federal do Piauí (UFPI), Teresina, PI, Brazil. Mailing address: Dra. Renata Mendes da Silva. Hospital Universitário da Universidade Federal do Piauí – Radiologia. Campus Universitário Ministro Petrônio Portela, SG 07, s/n, Ininga. Teresina, PI, Brazil, 64049-550. E-mail: renatamendesa20@ hotmail.com. fore insertion and branching of the ureteral bud. A supernumerary kidney with a ureter that fuses with that of the normal kidney probably reflects late division of the metanephric mesenchyma. A supernumerary kidney can present as a palpable abdominal mass, with or without symptomatic nephrolithiasis, hydronephrosis, upper urinary tract infection, or renal tumors. However, it is typically asymptomatic and does not affect renal function. Therefore, they are never diagnosed or discovered incidentally.
               
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