Case Report

Histopathological Finding of Microdamage Accumulation in Atypical Subtrochanteric Femoral Fracture

Table 2

Bone histomorphometric findings in the biopsied ilium specimen.

ParameterAbbreviationsUnit[55-64F]Present case
Reference values [23]

Bone volumeBone volumeBV/TV%24.15
Trabecular thicknessTb.Thμm147.82
Trabecular widthW.Thμm32.4
Bone formationOsteoid volume (tissue volume)OV/TV%0.09
Osteoid volume (bone volume)OV/BV%0.38
Osteoid surfaceOS/BS%7.13
Osteoid thicknessO.Thμm3.75
Osteoblast surfaceOb.S/BS%1.3
Bone resorptionEroded surfaceES/BS%5.56
Osteoclast surfaceOc.S/BS%0.4
Fibrous bone volumeFb.V/TV%00