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Medial medullary syndrome
- R: medial medulla
- V: paramedian branches vertebral and anterior spinal a.
- A: pyramidal tract, medial lemniscus, hypoglossal nucleus
- C: contralateral arm/leg weakness, contralaterla decreased position and vibration sense, ipsilateral tongue weakness
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Wallenberg syndrome
- R: lateral medulla
- V: vetebral a. or PICA
- A/C:
- Inferior cerebellar peduncle/vestibular neuclei: ipsi ataxia, vertigo, nystagmus, nausea
- Trigeminal nucleus/tract: ipsi decreased sensation to face (pain, temp)
- Spinothalamic tract: contra decreased pain,temp body
- Descending sympathetic fibers: ipsi Horner syndrome (ptosis, miosis, anhydrosis)
- Nucleus ambiguous: hoarseness, dysphagia
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Medial pontine basis only (pure motor hemiparesis)
- V: paramedian basilar a.
- A: corticospinal and corticobulbar tracts
- C: contra face, arm, leg weakness and dysarthria
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Millard-Gubler syndrome
- R: medial pontine basis, tegmentum
- V: paramedian basilar a. (ventral+dorsal)
- A: corticospinal/bulbar tract, fascicles facial n.
- C: contra arm/leg weakness, ipsi face weakness
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AICA syndrome
- R: lateral caudal pons
- A: middle cerebellar peduncle, spinothalamic tract
- C: ipsi ataxia, contra decreased body pain, temp
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SCA syndrome
- R: dorsolateral rostral pons
- A: superior cerebellar peduncle and cerebellum, lateral tegmental structures
- C: ipsi ataxia, variable features lateral tegmental involvement
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Weber syndrome
- R: midbrain basis
- V: PCA/basilar a.
- A: oculomotor nerve, corticospinal tract, cerebellar peduncle
- C: ipsi CN III palsy, contra HP
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Benedikt syndrome
- R: midbrain basis, tegmentum
- V: PCA/basilar a.
- A: oculomotor nerve, cerebral peduncle, red nucleus, substantia nigra, superior cerebellar peduncle
- C: ipsi III palsy, contra HP, contra ataxia, tremor, involuntary mvmt
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Claude syndrome
- R: midbrain tegmentum
- V: PCA/basilar a.
- A: oculomotor nerve, red nucleus, superior cerebellar peduncle
- C: ipsi III palsy, contra ataxia
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Dejerine-Roussy syndrome
- R: Thalamus
- V: PCA
- A: thalamic nuclei
- C: contra hemisensory loss, contra hemibody pain
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Anton syndrome
- R: occipital cortex
- V: PCA (bilat) or top basilar a.
- A: primary visual cortex
- C: cortical blindness, anosognosia
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Alexia without agraphia
- R: Occipital cortex
- V: PCA
- A: optic pathway
- C: able to write, unable to read
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Locked-in syndrome
- R: ventral pons bilat
- V: basilar a.
- A: Corticospinal/corticobulbar tracts; bilat CN VI fasicles
- C: tetraplegia, lat gaze weakness, bilat facial weakness, dysarthria
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