Iris and CB tumours Flashcards
What is the presentation of iris melanoma?
5th-6th. decade
light iris
develops from enlargement of pre existing lesion
3mm size , 1mm thick
smooth or irregular surface
feathery outlibe
commonly onferior quadrant
What are signs of malignancy for iris melanoma
-blood vessels
-deformed pupil
-ectropian uveae
-growth
What is the presentation of iris navues
-pigmented flat or slightly elevated lesion
less than 3mm
-possible mild pupil distortion
iris melanoma
ectropion uveae
What is the presentation of ciliary body melanoma
-6th decade
unilateral
asymptomatic
or show reduction in vision
What are the signs of ciliary body melanoma
depends on size and location of tumor
1) dilated episceleral vessels in same quadrant as tutor
risk of ant uveitis
risk of rd if extends posteriorly
can erode through. iris root
ciliary body melanoma
What is the management of iris and ciliary body melanoma?
EMERGENCY REFRERRAK
IRIS MELANOMA
-SECTOR IRIDEECTOMY
-RADIOTHERAPY
-ENUCLEATION -IF LARGE WITH DIFFCUSE GROWTH
IRIDOCYLECTOMY-IF INVADED ANGLE
CB
ENUCLEATION IF LARGE/INVLOVES ANTERIOR CHOROIS OR ISK OF SECONDARY GLAUCOMA.