Immunological Risk Assessment of Xenogeneic Dural Patch by Comparing with Raw Material via GTKO Mice

Table 2

Histological evaluation: cell type and tissue response scoring scheme (, ).

Groups	At 4 weeks			At 12 weeks
	Con	T1	T2	Con	T1	T2
Polymorphonuclear cells	0			0		0
Lymphocytes
Plasma cells	0	0	0	0	0	0
Macrophages	0			0
Giant cells	0	0		0	0	0
Necrosis	0	0		0	0	0
Neovascularization	0			0
Fibrosis	0			0
Fatty infiltrate	0	0	0	0	0