Fuhrman Grading System

Fuhrman Grading System
. Grade X (GX): Cannot be assessed
. Grade 1 (G1): Nuclei round, uniform, approximately 10 um in diameter; nucleoli inconspicuous or absent
. Grade 2 (G2): Nuclei slightly irregular, approximately 15 um in diameter; nucleoli evident
. Grade 3 (G3): Nuclei very irregular, approximately 20 um in diameter; nucleoli large and prominent
. Grade 4 (G4): Nuclei bizarre and multilobated, 20 um or greater in diameter, nucleoli prominent, chromatin
clumped

  막상 책에서 찾으려고 하면 잘 나오지 않는 것 중의 하나…

Reference:
1. Srigley JR, Amin MB, Delahunt B, et al. Protocol for the examination of specimens from patients with invasive carcinoma of renal tubular origin. Arch Pathol Lab Med 2010; 134: e25-30.