Heterogeneity of Necrotic Changes between Cortical and Cancellous Bone in Mandibular Osteoradionecrosis: A Histopathological Analysis of Resection Margin after Segmental Mandibulectomy
Table 2
Histopathological results of bone specimens.
Case
Anterior margin
Medial area
Posterior margin
(Central area of bone destruction)
Cortical
Cancellous bone
Cancellous bone
Cortical
Cancellous bone
Inferior border
Middle level
Inferior border
Middle level
1
NNNN
VVVV
VVVV
VVVV
VVVV
VVVV
VVVV
2
NNNN
NNNN
VVVV
VVVV
NNNN
NVNN
VVVV
3
NVNV
VVVV
VVVV
VNVV
VVVV
VVVV
VVVV
4
NNNN
VNNN
VVVV
NNNN
NNNN
NNNN
NVNN
5
NNNN
NNNN
VVVV
NVNV
NVNN
VVVV
VVVV
6
NNNN
NVNN
VVVV
VVVV
NNNN
NNNN
VVVV
7
VVVV
VVVV
VVVV
VVVV
VVVV
VVVV
VVVV
8
NNNN
NNNN
VVVV
VVVV
NVNN
NNNN
NNNN
9
NNNN
NNNN
VVVV
VVVV
NVNN
NNNN
VVVN
10
NNNN
VVVV
VVVV
VVVV
VVVV
VVVV
VVVV
11
NNNN
NNNN
VVVV
VVNN
NNNN
NNNN
VVNN
Concordance rate (%)
91
82
100
73
73
100
82
bone was histopathologically analyzed at two levels (near the inferior border and the middle level of the mandible). evaluated by four observers. V, viable; N, necrotic.
