TY - CHAP M1 - Book, Section TI - Congenital Renal Masses A1 - Payne, Robert P. A1 - Kennedy, William A. A2 - Stevenson, David K. A2 - Cohen, Ronald S. A2 - Sunshine, Philip Y1 - 2015 N1 - T2 - Neonatology: Clinical Practice and Procedures AB - Perinatally detected abdominal masses are a common clinical finding, and two-thirds originate from the kidney.1 With the increased use of prenatal ultrasound evaluation, approximately 15% of congenital renal masses are detected prenatally. Of those diagnosed postnatally, nearly half present with a palpable abdominal mass. Congenital renal tumors, however, are exceedingly rare, representing only 7% of all neonatal tumors.2 Abdominal ultrasound, whether done prenatally or postnatally, will often give an accurate description of these renal lesions. Congenital renal masses can be broadly divided into 2 main categories based on its sonographic appearance. Solid and cystic renal masses can be further subcategorized as either benign or malignant (Table 43-1). SN - PB - McGraw-Hill Education CY - New York, NY Y2 - 2024/04/19 UR - accesspediatrics.mhmedical.com/content.aspx?aid=1109795250 ER -