traktus kortikospinal fillia
TRANSCRIPT
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TRAKTUS KORTIKOSPINAL
Referat Kecil
Esprida HD
0608113842
Pembimbing: dr.Riki Sukiandra, Sp.S
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Pendahuluan
Traktus Piramidalis
Saraf desenden paling besar & penting dalam gerakan volunter
Traktus Kortikospinal
Area Mortorik Serebri
Medulla Spinalis
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Serabut Motorik
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Homunkulus Motorik
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Corticospinal tract
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ASPEK KLINIS
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UMN•Paralisis spastik•Hipertonia•Hiperrefleks•Reflek patologis (+)•Klonus Positif
LMN•Paralisis flaksid•Hipotonia•Hiporefleks•Refleks Patologis (-)•Atrofi otot
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a. Lesi Kortikal
• Disebabkan : tumor, infark, trauma
• Parese• flaksid• Hemiparesis
kontralateral
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b. Kapsula Interna
• perdarahan, iskemia
• defisit saraf kranial (-)
• Hemiparesis kontralateral spastik
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c. Lesi pedunkel
• perdarahan atau tumor
• hemiparese spastik kontralateral
• dapat disertai oleh kelumpuhan nervus okulomotorius ipsilateral.
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d. Lesi pons
• tumor, iskemia otak atau perdarahan
• hemiparesis kontralateral atau bilateral.
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e. Lesi piramidal
• tumor• hemiparese
kontralateral
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f. Lesi servikal
• tumor, mielitis, trauma,
• hemiplegia spastik ipsilateral
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g. Lesi torakal
• trauma atau mielitis• monoplegia spastik
ipsilateral ekstremitas inferior.
• Kerusakan bilateral menyebabkan paraplegia.
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h. Lesi radiks anterior
ipsilateral dan flaksid,
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Terima Kasih