approaches to ant 3v

8/20/2019 Approaches to Ant 3v

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APPROACHES TO COLLOID

CYST (OF 3RD VENTRICLE)

Hardik


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ANATOMY

• Colloid cyss ar! loca!d i"sid! #!#ird $!"ric%lar ca$iy

• &os o'!" i" is anterior-superiorcompartment.

• T#! upper anterior part o' #! cysis exposed at the foramina ofMonro


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ANATOMY

• ori!"aio" o' #! la"! o' #! 'ora&!" o'Mo"ro*

r!r!s!"!d +y is circ%&'!r!"c!,

I is oblique

Tili"- laterally and anteriorly

&!dial a"d os!rior ars ar! loca!d #i-#!r

#a" #! la!ral a"d a"!rior +ord!rs


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ANATOMY

• T#! 'or"i., #! c#oroid l!.%s, a"d#! $!i"s o' #! $!"o%s a"-l! ar!o'!" dislac!d i" a &a""!r #a

l!ads o enlargement o' #!'ora&!"

• I &ay also +! narrowed or rarely,

practically occluded


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CHOOSIN/ THE TYPE OF S0R/ERY

• S!r!oacic asiraio" * 1i#o% a"y$is%al co"rol

• Co"sis!"cy o' #! cys is "o al1aysr!dica+l! 'ro& i&a-i"-

• Risk o' i"2%ry o ad2ac!" $asc%larsr%c%r!s

• I"co&l!! or 'ail!d asiraio"s ar!r!or!d

• E.cisio" o' #! 1all is "o ossi+l!


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TOTAL O. O!"AT#$T%

&'

COMPLETE ASPIRATION 4

PARTIAL ASPIRATION 56

FAILED ASPIRATION 53

SYMPTOMATICREC0RRENCE

57856, 5984

TIME TO REC0RRENCE ONIMA/IN/

9:MONTHS

TIME TO SYMPTOMATICREC0RRENCE

;9MONTHS


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STEREOPSIS


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$(O%)O"$ M#)*O%)O"$

NON STEREOSCOPIC VISION STEREOSCOPIC VISION

MONOC0LAR VISION


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=HICH IS


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MICROS0R/ICALAPPROACHES

• T#! ra"scoricalBra"s$!"ric%lararoac#

• T#! ra"scallosalBra"s$!"ric%lararoac#


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• T#! &os co&&o"ly %s!d aroac#'or sol!ly i"ra$!"ric%lar l!sio"s isro+a+ly #! ra"scoricalB

ra"s$!"ric%lar aroac#

• D!scri+!d +y Da"dy


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Ad$a"a-!s o' #!ra"scallosal

• A"ao&y is co"sa"

• Disa"c! o 3rd V is s#or!r

•

D!#s o' a"!rior ar ca" +!acc!ss!d

• No corical i"cisio"

•

V!"ricl! si! do!s" &a!r• C#oic! o' ri-# or l!' &o"!ro


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Ad$a"a-!s o' #!ra"scorical

• L!ss c#a"c! o' co&ro&isi"- a"!ss!"ial drai"i"- $!i"s -oi"- o SSS

• L!ss c#a"c! o' i"2%ri"- #!!ricallosal ar!ri!s


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• Tra"scoricalBTra"s$!"ric%larAroac#


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• T#a"k Yo% @


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• T#! disi"cio" +!1!!" &ass!sarisi"- 1i#i" a"d !.a"di"- #!#ird $!"ricl! a"d #os! i&i"-i"-

'ro& o%sid! is i&ora" 'ord!!r&i"i"- #! +!s o!rai$!aroac#

• Ho1 o di!r!"ia! +!1!!" #!1o

Cli"ical8i&a-i"-8a"-io


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• I' #! l!sio" i" #! $ici"iy o' #!a"!rior #ird $!"ricl! is s&all, #!aroac# is +!s d!!r&i"!d +y #!

r!s!"c! or a+s!"c! o' a $is%al !lddis%r+a"c!

• I' #! $!"ricl!s ar! !"lar-!d,

ra"s$!"ric%lar (TV)is +!!r, +%$isio" i"o #! d!# o' a"!rior #ird$!"ricl! is diGc%l 1i# #is,

ra"scallosal (TC) is +!!r 'or #a


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• I' #! $!"ricl!s ar! s&all #!ra"scallosal aroac# is 'ar s%!rior

approaches to ant 3v

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