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Metanephric adenoma (MA) is a rare, benign tumour of the kidney, that can have a microscopic appearance similar to a nephroblastoma (Wilms tumours), [1] or a papillary renal cell carcinoma. It should not be confused with the pathologically unrelated, yet similar sounding, mesonephric adenoma .
Histopathologic types of kidney tumor, with relative incidences and prognoses. Cystic nephroma is seen at bottom right in pie chart. cystic partially differentiated nephroblastoma; cystic standard nephroblastoma (cystic Wilm's tumor) cystic mesoblastic nephroma; cystic renal cell carcinoma; other renal cysts
Metanephric dysplastic hematoma of the sacral region (MDHSR) has been described by Cozzutto and Lazzaroni-Fossati in 1980, [1] by Posalaki et al. in 1981 [2] and by Cozzutto et al. in 1982. [3] Three additional cases were seen by Finegold.
Nephrogenic adenoma is a benign growth typically found in the urinary bladder. It is thought to result from displacement and implantation of renal tubular cells, as this entity in kidney transplant recipients has been shown to be kidney donor derived. [1] This entity should not be confused with the similar-sounding metanephric adenoma.
Here, first a fertilised egg implants into the uterus, but some cells around the fetus (the chorionic villi) do not develop properly. The pregnancy is not viable, and the normal pregnancy process turns into a benign tumour. There are two subtypes of hydatidiform mole: complete hydatidiform mole, and partial hydatidiform mole. [citation needed]
Thus, the life of a fetus in fetu is akin to that of a tumor in that its cells remain viable by way of normal metabolic activity. However, without the gestational conditions in utero with the amnion and placenta , a fetus in fetu can develop into, at best, an especially well differentiated teratoma ; or, at worst, a high-grade metastatic ...
Wilms' tumor (WT), also known as nephroblastoma, is an embryonic tumor originating from metanephric blastemal cells that are incapable of completing the mesenchymal-epithelial transition (MET), a crucial process during kidney differentiation involving the transition from a multipolar, spindle-shaped mesenchymal cell to a planar assembly of ...
Renal cell carcinoma with t(6;11) translocation or TFEB-amplified Renal Cell Carcinomas is rare subtype of renal cell carcinoma.The t(6;11)(p21;q12) translocation fuses the Alpha (MALAT1) gene with the TFEB transcription factor gene, resulting in upregulated expression of TFEB which leads to expression of melanocytic markers.