SPINE CLINICAL Flashcards

1
Q

Intermediolateral (sympathetic) cell column

A

T1-L2

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2
Q

Sacral autonomic (parasympathetic) neurons

A

S2-S4

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3
Q

lamination of nerve fibers in the spinothalamic tract

A

(sacral fibers lateral, cervical fibers medial),

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4
Q

Dorsal Root Signs

A

diminution or loss of all sensory modalities (anesthesia) ipsilateral and in dermatomes supplied by the involved dorsal root(s)

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5
Q

with bilateral diminution or loss of pain and temperature (sensory modalities that cross in the anterior white commissure) s

A

Anterior White Commissure Signs

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6
Q

spared in ALS

A

brain stem controlling eye movements and sacral neurons controlling sphincter function

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7
Q

Lesions in or around the central canal will encroach initially on the fibers conveying pain and temperature in the anterior white commissure

A

Syringomyelia

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8
Q

early sphincter dysfunction, urinary incontinence, loss of voluntary emptying of the bladder, increased residual urine volume, and absent sensation of the urge to urinate. . Symmetric loss of sacral sensations (saddle anesthesia) along the distribution of S-2 to S-4 dermatomes is found.

A

Conus Medullaris Syndrome

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9
Q

there is early occurrence of radicular pain in dermatomes supplied by the affected roots.Lower motor neuron–type paresis or paralysis occurs in muscles supplied by the affected nerves

A

Cauda Equina Syndrome

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10
Q

early sphincter disturbance and symmetric loss of sacral sensations. Pain is unusual

A

Conus Medullaris Syndrome

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