Minireviews
Copyright ©The Author(s) 2015.
World J Clin Cases. Sep 16, 2015; 3(9): 774-778
Published online Sep 16, 2015. doi: 10.12998/wjcc.v3.i9.774
Table 1 Hyams histopathological grading
GradeLobular architecture preservationMitotic indexNuclear polymorphismFibrillary matrixRosettesNecrosis
I+ZeroNoneProminentHW rosettesNone
II+LowLowPresentHW rosettesNone
III+/-ModerateModerateLowFW rosettesRare
IV+/-HighHighAbsentNoneFrequent