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Aida Catic, A. Sophian, L. Mazur, D. Rakheja, A. Kozaric, S. Bešlija, J. Kogan, M. Pins
0 30. 5. 2017.

The frequency of a novel KANK1 and NTRK3 translocation and BRAFV600E mutation in patients diagnosed with metanephric adenoma utilizing molecular mechanisms.

1537Background: Renal metanephric adenoma (MA) is a very rare benign renal tumor, which is frequently misclassified when microscopic features alone are applied. Despite the classification of adenoma as a benign tumor, it is difficult to differentiate from other renal carcinomas such as malignant papillary renal cell carcinomas and in children it can be mistaken with Wilms tumor. The correct classification of a renal tumor is critical for diagnostic, prognostic, and therapeutic purposes. Despite the advancements in cancer genomics, there is limited data available regarding the genetic alterations critical to the metanephric adenoma development. Recent data suggest that 90% of MA have BRAFV600Emutations; the genetics of the remaining 10 % are unclear. Methods: This study was conducted on 13 FFPE specimens from patients who were diagnosed with renal metanephric adenoma. H&E stained slides from all cases were reviewed by study pathologist, and representative tissue blocks were further selected for BRAFV600E s...


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