lesi batang otak
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7/17/2019 Lesi Batang Otak
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LESI BATANG OTAK
7/17/2019 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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