World Health Organization (WHO)/International Society of Urological Pathology (ISUP) grading in fine-needle aspiration biopsies of renal masses.
Carmen M PerrinoHarvey M CramerShaoxiong ChenMuhammad T IdreesHoward H WuPublished in: Diagnostic cytopathology (2019)
The WHO/ISUP grade assigned on FNA shows good concordance with subsequent resection/core specimens (83%), with all discrepant cases being undergraded by one grade.