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720158
Retinoblastoma
Description
Mind Map on Retinoblastoma, created by adahemy.tm on 05/04/2014.
Mind Map by
adahemy.tm
, updated more than 1 year ago
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Created by
adahemy.tm
over 10 years ago
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Resource summary
Retinoblastoma
Definición
Tumor intraocular
Fte en infancia
Desarrollado en conos de la retina
Frecuencia
1/15.000 nacidos vivos
Igual en ambos sexos
Patogenia
Defecto gen RB1
Crom 13q14
Gen supresor tumoral
Línea germinal
Carácter dominante
Portadores 90% prob
Desarrollar RB en infancia
Formas
Esporádica
No heredada
Tumor unilateral
60-70% de los casos
2 años edad
Familiar
Uni o Bilateral
40% casos
HAD
Penetrancia incompleta
Aparición
Otros tumores
Teoría Knudson
Casos hereditarios
Primer golpe
Se hereda padres afectados
Células somáticas
Segundo golpe
Afecta una
Célula retiniana
Portadora 1ra mutación
Casos esporádicos
Dos golpes
Una célula retiniana
Histología
Masas nodulares
Rosetas Flexner Wintersteiner
Cuadro Clínico
Leucocoria 60%
Exo endotropía 20%
Hifema
Ojo rojo
Estrabismo
Epifora
Glaucoma
Dx
Historia Clinica
Oftalmoscopia
TAC
Tx
Enucleación
Fotocoagulación
Radioterapia
Crioterapia
Media attachments
pediatric-retinoblastoma (image/jpg)
retinoblastoma (image/jpg)
retinoblastoma_pat (image/png)
RB_Schematic.gif (image/gif)
Image6681 (image/jpg)
descarga (image/jpg)
retinoblastoma1 (image/jpg)
images (image/jpg)
foto6oftalmologiainfantil0311 (image/jpg)
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