Background:
Ameloblastoma (AM) is a benign odontogenic neoplasm characterized by local invasiveness and recurrence. We have evaluated the immunohistochemical expressions of osteonectin (ON), matrix metalloproteinase-9 (MMP-9) and Ki-67 in AM to understand the biologic behavior of this neoplasm.
Aim:
The aim of this study is to evaluate the expression of ON, MMP-9 and Ki-67 in AM.
Materials and Methods:
The study sample included archival tissues embedded in paraffin blocks histopathologically diagnosed as AM (20 cases). Three serial sections of each tissue specimen were stained separately with ON, MMP-9 and Ki-67 (immunohistochemistry stain) and evaluated. The data were analyzed using Spearman rank correlation test.
Results:
All AM cases 20/20 (100%) exhibited positive immunostaining for ON, MMP-9 and Ki-67.
Conclusion:
Increased expression of ON, MMP-9 and Ki-67 in AM indicates that these molecules might play a role in the regulation and aggressive nature of this neoplasm.
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