Anomalies and Masses
A number of lesions (both of GU and non-GU origin) may present as a palpable abdominal mass in the infant or young child and require assessment in the emergen-
juxtarenal lesions |
Midline lesions |
Nongenitourinary lesions | |
Hydro-nephrosis |
CMN |
Urinary retention |
Gastrointestinal duplications |
Dilated upper-pole duplex |
Neuro-blastoma |
Renal ectopia |
Hepatic lesions |
MCDK |
Wilms tumor |
Urachal cyst |
Pyloric stenosis |
ADPKD |
RCC |
Intestinal lymphatic malformations | |
ARPKD |
Renal vein thrombosis |
Hydrome-trocolpos |
Omphalomesente-ric remnants |
Cystic nephroma |
Adrenal hemorrhage |
Teratoma |
Mid-abdominal wall defects |
MCDKmulticystic dysplastic kidney, ARPKD autosomal recessive polycystic kidney disease, ADPKD autosomal dominant polycystic kidney disease, CMN congenital mesoblastic neph-roma, RCC renal cell carcinoma
MCDKmulticystic dysplastic kidney, ARPKD autosomal recessive polycystic kidney disease, ADPKD autosomal dominant polycystic kidney disease, CMN congenital mesoblastic neph-roma, RCC renal cell carcinoma cy department. Table 8.2 lists a broad spectrum of possible etiologies, categorized depending on their ultrasonographic appearance and location within the abdomen.
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