Items tagged “brainstem”

39 results found
Article

Weber syndrome

Weber syndrome is a midbrain stroke syndrome that involves the cerebral peduncle and the ipsilateral fascicles of the oculomotor nerve 1-3,5. Occasionally the substantia nigra can also be involved 5.  Clinical presentation ipsilateral CN III palsy diplopia ptosis  afferent pupillary defect ...
Case

Brainstem glioma

  Diagnosis almost certain
Frank Gaillard
Published 11 Mar 2009
68% complete
MRI
Article

Brainstem

The brainstem is the most caudal part of the brain. It adjoins, is structurally continuous with the spinal cord and consists of the: midbrain (mesencephalon) pons (part of the metencephalon) medulla oblongata (myelencephalon) The brainstem provides the main motor and sensory innervation to t...
Article

Medulla oblongata

The medulla oblongata (or simply the medulla) is the most caudal part of the brainstem between the pons superiorly and spinal cord inferiorly. It is the transition from the spinal cord to the brain. The medulla contains the vital autonomic cardiovascular and respiratory centers controlling hear...
Article

Brainstem nuclei

The brainstem nuclei are the nuclei in the brainstem. These include: cranial nerve nuclei red nucleus substantia nigra
Article

Duret hemorrhage

Duret hemorrhages are small, usually multiple, hemorrhages in the midbrain or pons resulting from rapidly developing brain herniation, especially central herniation. They generally have a dismal prognosis. Clinical presentation The clinical presentation from Duret hemorrhages is difficult to d...
Case

Brainstem glioma

  Diagnosis almost certain
Hani Makky Al Salam
Published 19 Apr 2010
84% complete
MRI CT
Case

Brainstem ganglioglioma

  Diagnosis certain
Hani Makky Al Salam
Published 18 Sep 2010
80% complete
MRI
Case

Pontine hemorrhage

  Diagnosis certain
Frank Gaillard
Published 14 Oct 2010
98% complete
CT Annotated image
Article

Lateral medullary syndrome

Lateral medullary syndrome, also known as Wallenberg syndrome, is a clinical syndrome caused by acute ischemia or infarction of the lateral medulla oblongata due to occlusion of the intracranial portion of the vertebral artery, PICA or its branches 1-3.  Epidemiology 20% of ischemic strokes oc...
Article

Bilateral middle cerebellar peduncle lesions

Bilateral lesions of the middle cerebellar peduncles, resulting in the middle cerebellar peduncle sign, are uncommon and can be seen either in isolation (rare) or along with other regions of involvement. Despite their relative rarity, they have a fairly long list of potential causes (see below)...
Case

Brainstem cavernoma

  Diagnosis almost certain
Roberto Schubert
Published 23 Jun 2011
65% complete
MRI
Case

Basilar artery thrombosis

  Diagnosis almost certain
Sajoscha A. Sorrentino
Published 28 Aug 2011
56% complete
CT
Case

Brainstem glioma

  Diagnosis certain
Jeremy Jones
Published 20 Feb 2013
98% complete
MRI
Case

Diffuse pontine glioma

  Diagnosis almost certain
Ahmed Abdrabou
Published 22 Apr 2013
83% complete
MRI
Case

Neuroglial cyst - brainstem

  Diagnosis almost certain
Roberto Schubert
Published 22 Nov 2013
74% complete
MRI
Article

Benedikt syndrome

Benedikt syndrome, or paramedian midbrain syndrome, is a midbrain stroke syndrome that involves the fascicles of the oculomotor nerve and the red nucleus. Clinical presentation ipsilateral CN III palsy 1-4 crossed hemiataxia 1-4 crossed choreoathetosis 1-4 Pathology It is us...
Article

Brainstem stroke syndromes

Brainstem stroke syndromes, also known as crossed brainstem syndromes, refer to a group of syndromes that occur secondary to lesions, most commonly infarcts, of the brainstem. Epidemiology Although many different brainstem stroke syndromes have been classically described, the majority appear e...
Article

Medial medullary syndrome

Medial medullary syndrome, also known as Déjerine syndrome,  is secondary to thrombotic or embolic occlusion of small perforating branches from vertebral or proximal basilar artery supplying the medial aspect of medulla oblongata1,2. Epidemiology Represents less than 1% of brainstem stroke syn...
Article

Claude syndrome

Claude syndrome is one of the brainstem stroke syndromes in which there is infarction of the dorsomedial aspect of the midbrain. Clinical presentation Clinical picture is characteristic and includes ipsilateral oculomotor nerve palsy and contralateral upper and lower limb ataxia 1-4. Patholog...