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7 Cards in this Set
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If spine images do not give a diagnosis...
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Look at the brain!
Tranverse myelitis (low T1, high T2, not much enhancement) -ADEM / MS -Viral myelitis -Ischemia |
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Multiple sclerosis
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-longitudinal, flame shaped lesions
-dorsolateral locations (white matter) -cervical > thoracic -active lesions may enhance -skip lesions -tumefactive vs tumor |
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Stroke
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"Goal post or horse shoe" gray matter pattern
DDx: viral myelitis White matter - periphery of cord Gray matter - central cord |
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Lupus-related myelitis
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-High T1 and T2
-During flare-ups, cord enlargement in 75% (50% enhance) -Resolution of cord swelling and enhancement during remission -Eventual myomalacia |
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Neoplastic
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-multiple lesions
-not much ligamentous enhancement -posterior elements involved |
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Infection
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-one vertebral body involved
-enhancement of ALL and PLL |
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Osteoporosis
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-anterior wedging
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