Lisengang rings are present in: (A) CEOT, (B) OKC, (C) CGCG, (D) All of the above
Answer is A. Calcifying Epithelial Odontogenic Tumor (Pindborg tumor) is a rare, benign odontogenic lesion. This is rare benign tumor which was first described in 1955 by Dutch pathologist Or J J Pindborg.