MEDULLA CLINICAL

Question 1

Occlusion of the anterior spinal artery or the paramedian branches of the vertebral artery.

Answer 1

MEDIAL MEDULLARY SYNDROME (DEJERINE’S ANTERIOR BULBAR SYNDROME)

Question 2

MEDIAL MEDULLARY SYNDROME (DEJERINE’S ANTERIOR BULBAR SYNDROME) affected regions

Answer 2

ML
Hypoglossal
Pyramids

Question 3

occlusion of the vertebral artery or, less frequently, the medial branch of the posterior inferior cerebellar artery

Answer 3

Wallenburg

Question 4

Wallenberg’s syndrome structures involved

Answer 4

Spinal nucleus of the trigeminal nerve and its tract
Adjacent spinothalamic tract
Nucleus ambiguus or its axons
Base of the inferior cerebellar peduncle (restiform body)
Vestibular nuclei
Descending sympathetic fibers from the hypothalamus
Olivocerebellar fibers

Question 5

a tendency toward saccadic eye movement overshoot or hypermetria toward the side of the lesion and a tendency toward hypometria away from the lesion.

Answer 5

ocular lateropulsion

Question 6

lesion in ocular lateropulsion

Answer 6

involvement of olivocerebellar fibers related to ocular movement traveling in the lateral medulla or to a concomitant cerebellar lesion.

Question 7

Chronic facial pain in Wallenburg

Answer 7

rostral spinal trigeminal nucleus (pars oralis and interpolaris) and tract, and that spares the caudal spinal trigeminal nucleus (pars caudalis)

Question 8

BABINSKI-NAGEOTTE SYNDROME

Answer 8

also known as medullary tegmental paralysis, is a combined lateral and medial medullary syndrome. T

Question 9

DORSAL MEDULLARY SYNDROME

Answer 9

occlusion of the medial branch of the posterior inferior cerebellar artery

vestibular nuclei and the restiform body

Question 10

COLLET-SICARD SYNDROME

Answer 10

al extra-axial injury of the glossopharyngeal (cranial nerve IX), vagus (cranial nerve X), accessory (cranial nerve XI), and hypoglossal (cranial nerve XII) nerves.