Fig. 3
From: Study on clinical and biological characteristics of ameloblastic carcinoma
Hematoxylin and eosin (HE, × 100) staining of ameloblastic carcinoma. a Tumor epithelial dysplasia. b Canceration is observed at the junction of the tumor epithelium. c Squamous metaplasia is observed in tumor cells. d The tumor invaded the skeletal muscle. e Acne-like necrosis was observed in the tumor cells. f Nerve invasion. g Gingival tissue (HE × 20). h Malignant transformation of ameloblastoma in the gingival tissue (HE × 100)