title: Free orbital fat graft to prevent porous polyethylene orbital implant exposure in patients with retinoblastoma.
abstract: OBJECTIVE
  To determine if porous polyethylene orbital implant (Medpor) exposure can be prevented in retinoblastoma patients when the implant is placed in combination with a free orbital fat graft over the anterior surface of the implant.
  
  
  METHODS
  Free orbital fat grafts were performed after enucleation and Medpor implantation, and results were compared with patients who underwent conventional enucleation and Medpor implantation without an orbital fat graft.
  
  
  RESULTS
  Although implant exposure occurred in 13 of 39 eyes (33.3%) that had conventional enucleation and Medpor implantation, exposure did not develop in any of the 38 eyes that had the combined procedure with a free orbital fat graft.
  
  
  CONCLUSIONS
  These findings suggest that a free orbital fat graft is a simple, effective way to prevent orbital implant exposure in patients requiring enucleation and Medpor implantation.
authors.affiliation: Department of Ophthalmology, Seoul National University College of Medicine, Seoul, Korea.
authors.forename: Nam Ju
authors.initials: NJ
authors.lastname: Kim
authors.forename: Ho Kyung
authors.initials: HK
authors.lastname: Choung
authors.forename: Sang In
authors.initials: SI
authors.lastname: Khwarg
authors.forename: Young Suk
authors.initials: YS
authors.lastname: Yu
mesh_terms: D000273:Adipose Tissue / Q000637:transplantation*; D001672:Biocompatible Materials; D002648:Child; D002675:Child, Preschool; D015353:Eye Enucleation; D005260:Female; D005548:Foreign-Body Migration / Q000517:prevention & control; D006801:Humans; D007223:Infant; D008297:Male; D009915:Orbit / Q000601:surgery*; D020273:Orbital Implants; D011095:Polyethylenes; D016062:Porosity; D011183:Postoperative Complications / Q000517:prevention & control*; D019919:Prosthesis Implantation; D019572:Retinal Neoplasms / Q000601:surgery*; D012175:Retinoblastoma / Q000601:surgery*
chemical_list: D001672:Biocompatible Materials; C084562:Medpor; D011095:Polyethylenes