Primordial odontogenic tumor: a case report and literature review

Diagnostic Pathology

Table 3 Immunohistochemistry results of the previous cases and current case

Position	Antibody	Immunohistochemistry results	Positive^a (%)
Epithelial cells	CK19	Positive (mainly in columnar epithelium)	10/10 (100%)
Epithelial cells	Vimentin	Positive	9/9 (100%)
Mesenchymal tumor cells	Vimentin	Positive	9/9 (100%)
	α-SMA	Negative	0/9 (0%)
	S-100 protein	Negative	0/9 (0%)

^a.10 cases were analyzed for CK19 using immunohistochemical analysis, and all cases showed positive results in the tumor epithelium. Vimentin was also 100% positive throughout the tumor in all nine cases in which it was analyzed. α-SMA and S-100 protein were negative in all nine cases

ISSN: 1746-1596