telangiectasia

solitary choroidal hemangioma

402/502 unilateral blur VF defect discrete, smooht, oval mass

Von-Hipple Lindau (VHL)

mutatuion on chromosome 3 AD phakomatoses "strawberry birthmark" CNS hemangioma involving cerebellum, spine, medulla, pons assoc c renal cell carcinoma, pancreatic islet carcinoma

cavernous hemangioma may be symptomatic if

ERM

how to diff choroidal hemangioma va melanotic choroidla melanoma

a-scan low reflectivity compared in melanoma

Idiopathic Juxtafoveolar Retinal Telangiectasia

abnormal perifoveal capillaries *they are present w/in the Juxtafoveal region (1-199 um from the center of fovea) is divided into 3 categories: Unilateral congenital Unilateral idiopathic Bilateral acquired

Racemose hemangioma

assoc c wyburn mason essels exit and return to ONH very dilated bloodflow slow may become occluded ischemis d/t steal

cavernous hemangioma looks like

bunch of grapes

cherry hemangioma on back of neck is assoc c

cavernous hemangioma

cavernous hemangioma

congenital, unilateral, vascular hamartoma AD phacomatoses benign tumors of inner retina and ONH usually on vein

IJFT grp 1 tx

laser photocoag

IJFT group II

moct common bilateral middle aged va loss d/t retinal atrophy CNVM common

capillary hemangioma

nodule c dilated vessel steals blood supply rare vasc tumor of retina or ONH sometimes bilateral, sometimes mult are sight threatning assoc c VHL

TJIF type II is separated into

non proliferative (Gass stage 1-4) proliferative (Gass sateg 5)

Coats dz

rare, idiopathic, unilateal non heridatary retinal telangiectasia 75% males intraret/subret exudates kids and teens leukocoria

Coat's dz tx

refer to retina

choroidal hemangioma types

solitary diffuse (SWS)

IJFT grp 2a stage 1

temp juxtafoveal area sight loss hre mild late staining on fa

IKFT grp 1

unilateral amles mid 30s VA loss d/t ME

Laber's miliary aneurysms

unilateral localized cluster of dilated capillaries, aneurysms, telangiectasia usually temp mid-far periphery young males (18 mo to 18 yr)

IJFT group III

very rare va loss d/t cyctemic or familial cerebral dz

IJFT

very rare char by progressive obliteration of perifoveal capillaries assoc c med/nuero dz

Telangiectasia

widening of venules