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Choroidoretinal neovascularisation following radon seed treatment of retinoblastoma in two patients.

Abstract
Two patients who developed localised radiation retinopathy many years after brachytherapy for retinoblastoma are described. In both patients extracapsular cataract extraction and YAG laser capsulotomy were followed by preretinal and vitreous haemorrhage and in one patient there was deterioration of existing radiation retinopathy with macular oedema. Premacular and vitreous haemorrhage occurred from focal, preretinal neovascular membranes which appeared to originate from residual choroidal vascular radicals. Laser photocoagulation was successful in ablating preretinal neovascular membranes and limiting the extent of macular oedema from incompetent retinal capillaries adjacent to the atrophic macular scars.
AuthorsD B Archer, W M Amoaku, G Kelly
JournalThe British journal of ophthalmology (Br J Ophthalmol) Vol. 77 Issue 2 Pg. 95-9 (Feb 1993) ISSN: 0007-1161 [Print] England
PMID7679590 (Publication Type: Case Reports, Journal Article)
Topics
  • Brachytherapy (adverse effects)
  • Cataract (etiology)
  • Cataract Extraction (adverse effects)
  • Child, Preschool
  • Choroid (blood supply)
  • Eye Neoplasms (radiotherapy)
  • Female
  • Humans
  • Infant
  • Laser Coagulation
  • Male
  • Neovascularization, Pathologic (etiology)
  • Retinal Hemorrhage (etiology)
  • Retinal Vessels
  • Retinoblastoma (radiotherapy)
  • Visual Acuity

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