“…Hydrocephalus has many etiologies, including neoplastic, congenital, inflammatory, infectious, and vascular malformations, which can lead to obstruction of the FOM (4). Among these, congenital and idiopathic obstructions of the FOM are rare, and symptoms may present either in childhood or adulthood (5). Common neurological symptoms in infants and children include seizures, bulging of the anterior fontanelle, abnormal head circumference, and delayed development (5).…”