[syringomyelia] Flashcards Preview

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Flashcards in [syringomyelia] Deck (19)
1

[syringomyelia]: what is the typical cause

blocked CSF circulation/leak of CSF out of central canal to form a cyst

2

[syringomyelia]: what is the typical cause

blocked CSF circulation

3

[syringomyelia]: what is syringomyelia

cavity or cyst formation in the spinal cord

4

[syringomyelia]: what is the cardinal sensory sign

dissociated sensory loss

5

[syringomyelia]: which tract is damaged in syringomyelua

spinothalamic

6

[syringomyelia]: describe what sensations are preserve and which are lost

lost pain and temperature
preserved light touch, proprioception and vibration

7

[syringomyelia]: why is the spinothalamic tract affected

pressure from the syrinx on the decussating anterolateral spinothalamic pathway

8

[syringomyelia]: what is the most common congenital cause

Arnold-Chiari malformation
(cerebellum herniated though foramen magnum blocked CSF flow)

9

[syringomyelia]: trauma, tumour or infection can cause this T/F

T

10

[syringomyelia]: what pattern of muscle weakness would be seen in the legs

UMN

11

[syringomyelia]: what is syringobulbia

syrinxe (fluid filled cavity) affecting the brainstem

12

[syringomyelia]: what signs might you expect to see in syringobulbia (4)

Vth nerve sensory loss
nystagmus
tongue atrophy
dysphagia

13

[syringomyelia]: what is the 1st line Ix?

MRI

14

[syringomyelia]: what would you specifically look for at the base of the brain on MRI

Chiari malformation

15

[syringomyelia]: what is 1st line Tx in Chiari malformations

surgical decompression

16

[syringomyelia]: what is 1st line Tx in Chiari malformations

surgical decompression

(promote free flow of CSF)

17

[syringomyelia]: what is 1st line Tx in Chiari malformations

surgical decompression

(promote free flow of CSF)

18

[syringomyelia]: why would you get LMN muscle weakness of the hands progressing to shoulders

invasion of anterior spinal horn

19

[syringomyelia]: why would you get LMN muscle weakness of the hands progressing to shoulders

invasion of anterior spinal horn