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A hydronephrotic kidney may present as a palpable abdominal mass in the newborn, and may suggest an ectopic ureter or ureterocele. In older children, ureteral duplication may present as: [citation needed] Urinary tract infection – most commonly due to vesicoureteral reflux (flow of urine from the bladder into the ureter, rather than vice versa).
Multicystic dysplastic kidney (MCDK) is a condition that results from the malformation of the kidney during fetal development. The kidney consists of irregular cysts of varying sizes. Multicystic dysplastic kidney is a common type of renal cystic disease, and it is a cause of an abdominal mass in infants. [5]
A renal cyst is a fluid collection in or on the kidney. There are several types based on the Bosniak classification. There are several types based on the Bosniak classification. The majority are benign, simple cysts that can be monitored and not intervened upon.
Cystic kidney disease includes various conditions related to the formation of cysts in one or both kidneys. The most common subset is polycystic kidney disease (PKD), which is a genetic anomaly with two subsets, autosomal recessive polycystic kidney disease (ARPKD) and autosomal dominant polycystic kidney disease (ADPKD).
Polycystic kidney disease (PKD or PCKD, also known as polycystic kidney syndrome) is a genetic disorder [5] [6] in which the renal tubules become structurally abnormal, resulting in the development and growth of multiple cysts within the kidney. [7] These cysts may begin to develop in utero, in infancy, in childhood, or in adulthood. [8] Cysts ...
Ureterocele is also associated with poor kidney function. It can cause frequent blockage of the ureter leading to serious kidney damage. In other cases, a small, upper portion of the kidney is congenitally non-functional. Though often benign, this problem can necessitate the removal of non-functioning parts. [citation needed]
In many patients with ADPKD, kidney dysfunction is not clinically apparent until 30 or 40 years of life. [5] However, an increasing body of evidence suggests the formation of renal cysts starts in utero. [24] Cysts initially form as small dilations in renal tubules, which then expand to form fluid-filled cavities of different sizes. [24]
Another child had Becker's nevus but no supernumerary nipples but had Wilm's tumor (kidney cancer). [31] Some studies on supernumerary nipples have found associations with a myriad of kidney and urinary tract abnormalities, including polycystic kidney diseases, hereditary renal cysts, and narrowing of the ureter tube.