nephroblastomatosis

nephroblastomatosis

/neph·ro·blas·to·ma·to·sis/ (nef″ro-blas-to″mah-to´sis) clusters of microscopic blastema cells, tubules, and stromal cells at the periphery of the renal lobes in an infant; believed to be a precursor of Wilms' tumor.
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Non-hereditary foetal hyperechoic kidneys can result from various causes such as an obstructive dysplasia, bilateral multicystic kidney disease, nephroblastomatosis, renal vein thrombosis, ischemia, infectious and metabolic diseases, nephrotic syndrome, and aneuploidy.
Nephroblastomatosis is characterized by multiple benign nodular lesions and bilateral involvement.
Nephroblastomatosis signifies the presence of multiple or diffuse NRs.
We retrospectively reviewed the records of 30 consecutive patients who were diagnosed as Wilms' tumor associated with nephroblastomatosis and received treatment in Beijing Children's Hospital from March 2008 to April 2013.
Nephroblastomatosis was classified into ILNR, PLNR, combined and universal, also by pathologists.
The nephroblastomatosis was known as precursor lesions of Wilms' tumor.
Similar results had been reported in a previous study, which investigated that the event-free survival of Wilms' tumor with nephroblastomatosis was significantly lower than that of Wilms' tumor only.
In the current series of patients, we found that bilateral lesions made the Wilms' tumor associated with nephroblastomatosis trend to unfavorable prognosis.
We recorded only 30 patients who were diagnosed as Wilms' tumor associated with nephroblastomatosis for the lower incidence.
Clinicopathologic features of nephrogenic rests and nephroblastomatosis.
Does nephroblastomatosis influence the natural history and relapse rate in Wilms' tumour?
4,5 Histologically metanephric adenoma is also very similar to the metanephric hamartomatous element of nephroblastomatosis.