Tehran University of Medical Sciences Journal of Craniomaxillofacial Research 2345-5489 4 4 2017 12 10 452 456 EN Sedigheh Rahrotaban Oral and maxillofacial pathology department, Dental Faculty of Tehran University of Medical Sciences, Tehran, Iran. Maryam Jolehar Oral and maxillofacial pathology department, Dental branch of Islamic Azad university, Tehran, Iran. Samira Derakhshan Oral and maxillofacial pathology department, Dental Faculty of Tehran University of Medical Sciences, Tehran, Iran. 2017 12 10 2017 12 10 Well-defined radiolucencies in the anterior region of the upper jaw, are often considered as anatomic structures or pathologic lesions. The most common anatomic structure in this area is the shadow of incisive foramen and the most common lesion is nonodontogenic cyst known as incisive canal cyst. However, other entities especially uncommon cysts and tumors should be considered as well. In this article, we present a case of odontogenic cyst known as glandular odontogenic cyst in the anterior maxilla with histopathologic findings reminiscent of a nasopalatine duct cyst. The diagnostic sequence and criteria for differential diagnosis are discussed. Also, the significance of thorough clinical and radiographic examinations are emphasized. Actually, we are going to focus on histopathological criteria known as Rushton body which is one of the important features for differentiate between nonodontogenic cyst like nasopalatine duct cyst and an odontogenic cyst, glandular odontogenic cyst. Key words: Odontogenic cycts, Jaw cysts, Nonodontogenic cyst, Maxilla. https://jcr.tums.ac.ir/index.php/jcr/article/view/190 https://jcr.tums.ac.ir/index.php/jcr/article/download/190/202