title: Fractionated stereotactic radiotherapy using Novalis for confined intra-orbital optic nerve glioma in pediatric patient.
abstract: BACKGROUND
  Optic gliomas are the most common tumors in the optic pathways during childhood. Among them, about 10 % are located within intra-orbital cavity. However, the optimal management for intra-orbital optic nerve gliomas remains controversial. An 11-year-old male complained about progressive decline of vision in his right eye. Brain MRI revealed a fusiform enlargement of right optic nerve within intra-orbital cavity.
  
  
  METHODS
  A presumptive diagnosis of optic nerve glioma was made. Therefore, we performed fractionated stereotactic radiotherapy (FSRT) using Novalis.
  
  
  CONCLUSIONS
  Five years after FSRT treatment, follow-up MRI revealed size reduction of tumor and visual acuity improvement without radiation-related complications.
authors: Graduate School, College of Medicine, Yonsei University, Seoul, South Korea. hsrkmj@paik.ac.kr
authors: Seong Rok
authors: SR
authors: Han
authors: Keung Nyun
authors: KN
authors: Kim
authors: Gi-Taek
authors: GT
authors: Yee
authors: Chan Young
authors: CY
authors: Choi
authors: Dong Joon
authors: DJ
authors: Lee
authors: Moon Jun
authors: MJ
authors: Sohn
authors: Chae Heuck
authors: CH
authors: Lee
mesh_terms: D002648:Child; D005500:Follow-Up Studies; D006801:Humans; D008279:Magnetic Resonance Imaging; D008297:Male; D020339:Optic Nerve Glioma / Q000150:complications / Q000601:surgery*; D016634:Radiosurgery / Q000379:methods*; D011880:Radiotherapy Planning, Computer-Assisted; D013238:Stereotaxic Techniques; D016896:Treatment Outcome; D014786:Vision Disorders / Q000209:etiology / Q000601:surgery