Tehran University of Medical Sciences Iranian Journal of Parasitology 1735-7020 14 4 2019 12 31 668 673 EN Naeem RAVANBAKHSH Student Research Committee, Birjand University of Medical Sciences, Birjand, Iran Navid RABIEE Student Research Committee, Birjand University of Medical Sciences, Birjand, Iran Jalal AHMADI Department of Neurosurgery, Imam Reza Hospital, Birjand University of Medical Sciences, Birjand, Iran 2018 05 05 2019 12 31 Hydatidosis is a zoonotic disease caused by Echinococcus parasite that frequently involves liver and lungs. Primary intracranial hydatidosis is a rare condition which can be life threatening if ruptured. Here we report an unusual case of primary intracranial hydatid cyst without any other organ involvement, diagnosed in a 12-year-old boy in Emam Reza hospital, Birjand, Iran in November 2016, in order to focus on the importance of proper diagnosis and management, especially in endemic areas. https://ijpa.tums.ac.ir/index.php/ijpa/article/view/2115