Histomorphological Characteristics and Pathological Types of Hyperproliferation of Gastric Surface Epithelial Cells

Table 2

PAS staining and immunohistochemical staining results.

Hyperplasia types	Hp	CK7	CK20	CEA	MUC1	MUC2	MUC5AC	MUC6	p53	PAS	Percentage of Ki67-positive cells
Common hyperplasia of gastric epithelial cells	—	—	—	—	—	—	+++	—	—	+	1~7%
Drug-induced hyperplasia of gastric epithelial cells	—	—	—	—	—	—	+++	—		+	11~19%
Hp infection-induced hyperplasia of gastric epithelial cells	+	—	—	+	—	—	+	—		+	14~21%
Metaplastic hyperplasia of gastric epithelial cells	—	—	—	+	+	+	+	+++		+	9~32%
Atrophic hyperplasia of gastric epithelial cells	—	—		+	+	—	+	+		+	18~34%
Low-grade neoplasia of epithelial cells	—	+	+	+++	+	—	—	+	+	—	26~35%
High-grade neoplasia of epithelial cells	—	+	+	+++	+	—	—	+	+++	—	32~40%