title: External beam irradiation therapy for choroidal haemangiomas. Visual and anatomical results after a dose of 20 to 25 Gy.
abstract: OBJECTIVE
  To evaluate the visual and anatomic results of radiation therapy in ten patients with choroidal haemangiomas.
  
  
  METHODS
  Nine patients with circumscribed choroidal haemangiomas and one with diffuse choroidal haemangioma have been reviewed retrospectively. They were treated by lens-sparing external beam radiation therapy (20--24 Gy) (9 eyes) and plaque brachytherapy (25 Gy) (1 eye), respectively.
  
  
  RESULTS
  The visual acuity improved by two lines or more in 8 of 10 eyes. No eyes showed deterioration of visual acuity. In all cases the retinal detachment showed complete resolution. A regression in tumour thickness was observed in all cases, and a reduction of anisometropia in cases with submacular infiltration by the tumour. During follow-up (0.4--8.8 years) there were no signs of radiation cataract, retinopathy or optic neuropathy.
  
  
  CONCLUSIONS
  External beam radiation (20--25 Gy) is a reasonable alternative for treatment of symptomatic choroidal haemangiomas.
authors: University Eye Department, The National Hospital, University of Oslo, Norway.
authors: J S
authors: JS
authors: Ritland
authors: N
authors: N
authors: Eide
authors: J
authors: J
authors: Tausjø
mesh_terms: D000293:Adolescent; D000328:Adult; D001918:Brachytherapy; D002830:Choroid Neoplasms / Q000473:pathology / Q000532:radiotherapy*; D005260:Female; D018324:Hemangioma, Capillary / Q000473:pathology / Q000532:radiotherapy*; D006801:Humans; D008297:Male; D008875:Middle Aged; D011882:Radiotherapy, High-Energy; D012074:Remission Induction; D012189:Retrospective Studies; D016896:Treatment Outcome; D014792:Visual Acuity