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2012, Número 3

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Rev Med MD 2012; 3.4 (3)


Retinosis Pigmentaria

Delgado-Pelayo SA

Idioma: Español
Referencias bibliográficas: 21
Paginas: 163-166
Archivo PDF: 507.76 Kb.


RESUMEN

La retinosis pigmentaria comprende un grupo de trastornos hereditarios que causan degeneración progresiva de la retina afectando a los fotorreceptores y a su epitelio pigmentario. Se caracteriza por ceguera nocturna y disminución del campo visual. La edad de inicio de los síntomas varía desde la infancia hasta la edad adulta. A la exploración de fondo de ojo se observa palidez del disco óptico, vasos atenuados y depósitos de pigmento en un patrón de espícula ósea. Las pruebas diagnósticas incluyen adaptometría oscura y electrorretinografía. El diagnóstico diferencial se puede realizar con trauma ocular, inflamación ocular asociada con infecciones, retinopatía paraneoplásica y toxicidad por drogas (fenotiazinas y cloroquina). No existe tratamiento definitivo.


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