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LESI BATANG OTAK 

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Batang otak  di fossa craniiposterior

 Terdiri : Medulla oblongata

  Pons

  Mesencephalon

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Fungsi utama ;  penyalur tr.asendens dan desendens  

menghubungkan medpin dengan berbagai

pusat yang lebih tinggi  punya pusat reeks penting   kontrol

sistem respirasi dan cardovascularberkaitan dengan tingkat kendali kesadaran

  mengandung !c.penting saraf cranial """ #$""

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Lintasa asenden Lintasan desenden

%emniskus medialis Tr. kortikospinalis

 Tr.spinotalamikus Tr. &ortikonuklearis

%emniskus trigeminalis 'erat#serat kortikopontin

%emniskus lateralis Tr. (ubrospinalis

'erat#serat sistem retikularis Tr.tektospinalis

Fasikulus longitudinalis medialis)F%M*

F%M

Pedunkulus serebelaris inferior Tr.vestibulospinalisPedunkuluass serebelarissuperior

 Tr. (etikulospinalis

'erat#serat vestibularis sekunder Tr. Tegmentalis sentralis

'erat#serat gustatorik sekunder Tr.spinalis desenden !.+

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+askularisasi batang otak

, arteri vertebralis

  suplai darahutama batang otak serebelummedula spinalis atas

-abang pertama dari a.subclavia

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Pyramidal tract corticospinal tract

%ateral corticospinal tract ) /0 1 *2nterior corticospinal tract ) 30 1 *

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 Corticobulbar tract =

corticonuclear tract

to the contra / ipsilateral

nuclei of the cranial motor nerves

( N. V,VII

, IX, X, XI,XII

)

 Broadmann’s area 8 → 

nuclei of the N. III, IV, VI

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&elainan di batang otak

-+4 )stroke sistem +ertebrobasiler*"nfarkPerdarahan

'5% )tumor*

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ge6ala

%esi medulla oblongata :

7emihipestesi alternans ataksia disartrianistagmus otot pharyn8 lumpuh rasa kecap

hilang horner syndrome%esi pons :

9angguan proprioseptif # protopatikhomolateral deviasi con6ugate

%esi mesencephalon :

9angguan proprioseptif protopatikhomolateral gangguan reaksi pupil otot

rigid

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'"!4(5M2 <B<(

Mesencephalon 7emiplegia alternans superior :

  7emiplegia kontralateral lesi

  &elumpuhan !.""" homolateral lesi

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'"!4(5M2 M"%%2(4 9=B%<(

Pons 7emiplegia alternans inferior :

  7emiplegia kontralateral lesi 

&elumpuhan !.+" dan !.+""homolateral

9a>e paralisis kontralateral lesi

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%esi di Medulla 5blongata :

7emiplegia kontralateral &elumpuhan !. $"" homolateral

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  2(T<(" +<(T<B(2%"'• 5&%='" 2. +<(T<B(2%"' 42! 2. -<(<B<%2("' "!F<("5(

P5'T<("5(  LATERAL MEDULLARY INFARCTION

• 9<?2%2 &%"!"&:

  @ +<(T"95

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  @ 2T2&'"2 '<(<B<%2("' "P'"%2T<(2%

  @ "P'"%2T<(2% 75(!<(' 'C!4(5M<  @ P2"! 2!4 T<MP<(2T=( 4"'-("M"!2T"5! :

  D "P'"%2T<(2% P242 2?27

  D &5!T(2%2T<(2% P242 T=B=7 42! <&'T("M"T2'

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