Renal angiomyoadenomatous tumour
Renal angiomyoadenomatous tumour, abbreviated RAT, is an uncommon kidney tumour not recognized by the WHO classification of renal neoplasia or the Vancouver modification.
General
- May be on a spectrum with clear cell papillary renal cell carcinoma.[1]
Clincal:
- Usually middle age (40s and 50s).
Gross
Features:[2]
- Tan-brown renal mass +/-cystic component.
Microscopic
Features:[2]
- Leiomyomatous capsule of variable thickness - key feature.
- Clear cell with basal nuclei and mild nuclear atypia.
- Clear cell renal cell carcinoma.
- Papillary renal cell carcinoma.
- Angiomyolipoma.
- Mixed epithelial and stromal tumour of the kidney.
See also
References
- ↑ Petersson, F.; Grossmann, P.; Hora, M.; Sperga, M.; Montiel, DP.; Martinek, P.; Gutierrez, ME.; Bulimbasic, S. et al. (Jul 2013). "Renal cell carcinoma with areas mimicking renal angiomyoadenomatous tumor/clear cell papillary renal cell carcinoma.". Hum Pathol 44 (7): 1412-20. doi:10.1016/j.humpath.2012.11.019. PMID 23434146.
- ↑ 2.0 2.1 2.2 Singh, C.; Kendi, AT.; Manivel, JC.; Pambuccian, SE. (Dec 2012). "Renal angiomyoadenomatous tumor.". Ann Diagn Pathol 16 (6): 470-6. doi:10.1016/j.anndiagpath.2012.01.006. PMID 22534244.
- ↑ Petersson, F.; Branzovsky, J.; Martinek, P.; Korabecna, M.; Kruslin, B.; Hora, M.; Peckova, K.; Bauleth, K. et al. (Jul 2014). "The leiomyomatous stroma in renal cell carcinomas is polyclonal and not part of the neoplastic process.". Virchows Arch 465 (1): 89-96. doi:10.1007/s00428-014-1591-9. PMID 24838683.