LESIONS OF BRAINSTEM Flashcards
Occ of anterior spinal artery
Contralateral hemiparesis teunk and extremities
Contra loss of proprioception, tactile sen, vibratory
Ipsi paralysis of tongue
Medial medullary syndrome
OCC vertebral artery PICA
nystag, N/V, vertigo Ipsi cerebellar sx Ipsi pharyngeal, palatal paralysis, dysphagia, dysphonia No gag Contra loss of pain, temp face, ext Ipsilateral Horner syndrome
Lateral medullary syndrome
Lateral medullary syndrome
Aka
Wallenberg
PICA
Occ: paramedian basilar arteries Ipsi lateral rectus palsy Contra weakness lower face Contra hemiparesis Ipsi gait, limb ataxia Medial lemniscus sx
Medial inferior pontine
Occ AICA
Ipsi CN 7 sx Unilat deafness Nys, naus, vom, vert Ipsi gait, limb dystaxia Contra pain, temp bulbar, ext Ipsi horner
Lateral inferior pontine syndrome
Circumferential br basilar artery
Trigeminal nuclei and nerve root aff
Ipsi limb, gait dystaxia
Lateral midpontine syndrome
Occ of superior cerebellar artery
Ipsi limb and trunk dystaxia Dystaxia, dysmetria, intention tremor Contra pain, temp loss Ipsi Horner Ipsi gracilis signs
Lateral superior pontine syndrome
Infarction of superior pontine base
Corticospinal, cortibulbar, CN
Quadriplegia, paralysis of lower CN nerves
Locked in syndrome1
D/t pinealoma or germinoma pineal region
Sup colliculus: paralysis upp and down gaze, pupillary disturbance, no convergence
Noncommunicatong hydroceph
Parinaud syndrome
Occ/hem paramedian midbrain PCA
Ipsi cn 3 paralysis
Red nucleus, dentatorubrothalamic tract: cerebellar dystaxia, inten tremor
Medial lemniscus sx
Benedikt syndrome
Occ of midbrain PCA br
Willis aneurysm
CN 3 Nerve roots
Weakness lower face, tongue, palate
Hemiparesis
Medial midbrain syndrome
Weber synd
Aka MLF syndrome
Affected area
Internuclear ophthalmoplegia
Dorsomedial pontine tegnentum
