TY - JOUR T1 - Renal oncocytoma in a kidney transplant patient: the imaging features on contrast-enhanced ultrasonography (CEUS): a case report JO - Brazilian Journal of Nephrology A1 - Villanueva, Lucia Alejandra Alfaro A1 - Knust, Maira A1 - Quintella, Leonardo A1 - Suassuna, José Hermógenes R A1 - Araújo, Nordeval C SN - 0101-2800 UL - 10.1590/1678-4685-JBN-3787 VL - 40 Y1 - 2018 PB - Brasil ER -