Diagnostic accuracy and clinical outcomes of patients diagnosed with clear cell papillary renal cell tumour at renal mass biopsy

CCPRCT can be reliably diagnosed at RMB in most cases if strict morphologic and immunohistochemical (IHC) criteria are applied. Furthermore, there was no adverse behaviour among patients managed nonsurgically in our cohort. It is important, however, to recognize the limitations of RMB, particularly given that occasional examples of ccRCC can show foci resembling CCPRCT. Pathologists and treating clinicians should be aware of the limitations of RMB when considering conservative management.