Title: Optic Pathway Glioma Author: Rahaf Naser Aldeen Editor: Dr. Omar Jbarah Keywords: low-grade glioma, neurofibromatosis type 1, optic pathway glioma, pilocytic astrocytoma Introduction optic pathway glioma (OPG) is one of the central nervous system tumors which represents 1% of all intracranial tumors 1, and 2-5% of intracranial tumors in the pediatric population.2 OPG has variant growing patterns, ranging from slow-growing tumors (indolent) to higher-grade malignant lesions (proliferative).3 slow-growing tumors labeled as WHO grade 1 tumor, arising in young patients, which are characterized by expansion and rare metastasize. whereas higher-grade tumors are present in adults and characterized by directly invading near structures, such as […]