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Inicio Archivos de la Sociedad Española de Oftalmología (English Edition) Limbal stem cell deficiency following multiple intravitreal injections
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Vol. 86. Issue 3.
Pages 89-92 (January 2011)
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Vol. 86. Issue 3.
Pages 89-92 (January 2011)
Limbal stem cell deficiency following multiple intravitreal injections
Insuficiencia limbar secundaria a múltiples inyecciones intravítreas
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M.J. Capella
Corresponding author
mjcapella@barraquer.com

Corresponding author.
, J. Álvarez de Toledo, M.F. de la Paz
Centro de Oftalmología Barraquer, Barcelona, Spain
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Abstract
Case report

A 68 year-old male with idiopathic choroidal polypoidal vasculopathy received seven intravitreal injections of bevacizumab in the supero-nasal quadrant. He later developed a localized limbal stem cell deficiency which required limbal transplantation from the same eye. Two months after surgery, a slight improvement of visual acuity was noted, along with an intact ocular surface, clear cornea and decreased inflammation.

Discussion

Repeated surgical trauma on the limbus and surrounding areas may damage the limbal stem cells, giving rise to a corneal epitheliopathy due to iatrogenic limbal deficiency. Repeated intravitreal injections may be considered as one of the possible causes.

Keywords:
Iatrogenic limbal stem cell deficiency
Intravitreal injections
Epitheliopathy
Limbal transplantation
Resumen
Caso clínico

Varón de 68 años con vasculopatía polipoidea coroidea idiopática que requirió 7 inyecciones intravítreas de bevacizumab en el cuadrante nasal-superior. Posteriormente desarrolló una insuficiencia limbar localizada que requirió un autoinjerto limbar homolateral. A los dos meses de la cirugía, existía una discreta mejoría de la agudeza visual, observándose una córnea más transparente, un epitelio íntegro y una notable mejoría en la alteración de la superficie ocular.

Discusión

Los traumatismos quirúrgicos repetidos sobre la región limbar o zonas próximas a ella pueden ocasionar una alteración de las células madre limbares originando una epiteliopatía corneal por insuficiencia limbar yatrogénica, entre cuyas causas deben considerarse las inyecciones intravítreas frecuentes.

Palabras clave:
Insuficiencia limbar iatrogénica
Inyecciones intravítreas
Epiteliopatía
Trasplante limbar

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