title: Neglected primary Ewing's sarcoma of ethmoid presenting as surgical emergency.
abstract: We present a male child with primary Ewing's sarcoma arising from ethmoid sinuses with intradural and extracranial extension (bilateral nasal cavities, orbits, and maxillary sinuses). This is a rare condition. He presented with recurrent episodes of epistaxis for 2 years, sudden onset rapidly progressive bilateral proptosis, with painful restriction of extraocular movements, and decreased visual acuity for 4 days. Sudden complete loss of vision following admission demanded emergency tumor decompression.
authors.affiliation: Department of Neurosurgery, Nizam's Institute of Medical Sciences, Punjagutta, Hyderabad, India.
authors.forename: Dinesh
authors.initials: D
authors.lastname: Shukla
authors.forename: Vinjamuri Srinivas
authors.initials: VS
authors.lastname: Rao
authors.forename: Alugolu
authors.initials: A
authors.lastname: Rajesh
authors.forename: Aniruddh Kumar
authors.initials: AK
authors.lastname: Purohit
keywords: Anterior cranial fossa; Ewing's sarcoma; ethmoid sinus; tumor