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Axial section at the level of the medulla, depicted schematically on the left, with a corresponding MR image on the right. Note that in Figs. 370-10, 370-11,
370-12, 370-13, and 370-14, all drawings are oriented with the dorsal surface at the bottom, matching the orientation of the brainstem that is commonly
seen in all modern neuroimaging studies. Approximate regions involved in medial and lateral medullary stroke syndromes are shown.
Signs and symptoms: Structures involved
Medial medullary syndrome (occlusion of vertebral artery or of branch of vertebral or lower basilar artery)
Source: Section 2. Diseases of the Central Nervous System, Harrison's Principles of Internal Medicine, 18e
On side of lesion
Citation:
Longo DL,
Fauci AS,
Kasper
DL, Hauser
SL, Jameson
J, Loscalzo J. Harrison's Principles of Internal Medicine, 18e; 2012 Available at:
Paralysis
with atrophy
of one-half
half
the tongue:
Ipsilateral
twelfth nerve
http://mhmedical.com/
Accessed:
May
11,
2017
On side opposite lesion
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Paralysis of arm and leg, sparing face; impaired tactile and proprioceptive sense over one-half the body: Contralateral pyramidal tract and medial
lemniscus