Section Editor: Dharam M. Ramnani, MD

Virginia Urology, Richmond, VA, USA

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Image Description

References:
1. Goldblum, J. R. et al (2018). Rosai and Ackerman's Surgical Pathology - Eleventh Edition. Philadelphia, PA. Elsevier.
2. Amin MB et al (2010). Diagnostic Pathology: Genitourinary. Amirsys Publishing Inc.
3. Cheng, L., MacLennan G. T., & Bostwick, D. G. (2020). Urologic Surgical Pathology - 4th Edition. Philadelphia, PA. Elsevier.
4. WHO Classification of Tumours Editorial Board. Urinary and male genital tumours [Internet]. Lyon (France): International Agency for Research on Cancer; 2022 [cited 2022 April 20]. (WHO classification of tumours series, 5th ed.; vol. 8). Available from: https://tumourclassification.iarc.who.int/chapters/36.
5. Kinney SN et al. Metanephric adenoma: the utility of immunohistochemical and cytogenetic analyses in differential diagnosis, including solid variant papillary renal cell carcinoma and epithelial-predominant nephroblastoma. Modern Pathology (2015) 28, 1236-1248.

About this image: Metanephric adenoma composed of small, uniform, round acini and tubular structures separated by scant stroma. The lining epithelial cells are uniform with hyperchromatic nuclei and have scant cytoplasm.

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