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A representative immunohistochemical reactivity for MMP-2. (A) Keratocystic odontogenic tumor showing moderate reactivity in prickle cells (× 400); (B) Follicular ameloblastoma showing strong reactivity in peripheral columnar cells (× 400); (C) Plexiform ameloblastoma showing strong reactivity in peripheral columnar cells (× 200); (D) Ameloblastic carcinoma showing strong reactivity in tumor cells (× 400).
