Article Title: Pineal Gland Anatomy and Tumors Author: Almutazballlah Qablan. Editor: Aseel Rabadi , Dr Omar Jbarah  Keywords: Pineal gland, Pineal tumor, Pineocytoma, Pineal parenchymal tumor with intermediate differentiation, Pineoblastoma, Papillary tumor of the pineal region, Pineal germinoma, Choriocarcinoma, Teratoma. Introduction The pineal gland is a tiny gland in the brain. It secretes melatonin; a hormone that affects sleep-wake cycles1. During the second month of gestation, the pineal gland appears as a cellular evagination of undifferentiated cells with a little amount of cytoplasm. Subsequently, it undergoes remarkable cellular differentiation, leading to the appearance of the adult gland by the end […]