File:Metanephric adenoma high mag cropped.jpg

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Summary

Description
English: Micrograph of a metanephric adenoma, a rare benign tumour of the kidney. PAS stain.

Metanephric adenomas consist of:

  • Small uniform cells, which have a
    • relatively smooth nuclear membrane,
    • fine chromatin, and
    • no apparent nucleolus.


Two normal glomeruli can be identified in the non-tumour portion on the left of the image.
The most important differential diagnosis is nephroblastoma (Wilms tumour); these typically have frequent mitoses, an irregular nuclear membrane and prominent nucleoli.

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Source Own work
Author Nephron

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current03:17, 4 August 2009Thumbnail for version as of 03:17, 4 August 20091,871 × 1,225 (1.22 MB)commons>Nephron{{Information |Description={{en|1=Micrograph of a '''metanephric adenoma''', a rare benign tumour of the kidney. PAS stain. Metanephric adenomas consist of: *Small unifo

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