Brain Vessels and SC lesions Flashcards
Leads to contralateral hemiparesis?
Lateral striate artery
right tongue deviation, decrease in left proprioception, left sided hemiparesis. Lesion?
Right ASA (medial medullary syndrome)
Right sided loss of pain on face, Left sided loss of pain in body. Vomiting, drooping right eye. Lesion?
Right PICA. Lateral medullary syndrome
Can’t or move face. Unsteady gait. Lesion?
AICA
Contralateral hemianopia with macular sparing. Artery lesioned?
PCA
ptosis and pupil dilation. Artery lesioned?
PCOMM (CNIII palsy)
Enlarged, torturous blood vessels with duplication and fragmentation of the internal elastic lamina?
AV malformations
Contralateral paralysis and loss of sensation to upper limb and face
MCA
Aphasia
Left (dominent) MCA
Hemineglect
right (nondominant) MCA
Hyaline arterioloscerolsis leading to damage of this artery
Lateral striate artery
Feeds lateral corticopinal tract and medial lemniscus
ASA
feeds CN XII
ASA
Medial Medullary Syndrome
ASA
Lateral medullary syndrome
PICA
feeds vestibular neclei, lateral spinothalamic
PICA
Feeds trigeminal nerve nucleus
PICA and AICA
feeds nucleus ambiguus
PICA
Feeds inferior cerebellar puduncle
PICA
Feeds nuclei of spinal 5, 7, 8
AICA
feeds MCP and ICP
AICA
Feeds visual cortex?
PCA
Leads to CNIII palsy
PCOMM
Leads to visual field defects?
ACOMM
Artery that feeds thalamus, parahippocampal gyrus
PCA
SC - Anterior horn destruction
Polio
Anterior horn and corticospinal?
ALS
Ventral cord?
ASA occlusion
absense of DTRs, positive romberg, diffusely absent sensation
tabes dorsalis
bilateral loss of pan and temperature and motor.
springomyelia
Demylination of DCMLs, lateral corticospinal tracts and sinocerebellar tracts?
Frederich’s taxia, deficiency in Vit B12 or Vit E
