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7 Cards in this Set

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If spine images do not give a diagnosis...
Look at the brain!

Tranverse myelitis (low T1, high T2, not much enhancement)
-ADEM / MS
-Viral myelitis
-Ischemia
Multiple sclerosis
-longitudinal, flame shaped lesions
-dorsolateral locations (white matter)
-cervical > thoracic
-active lesions may enhance
-skip lesions
-tumefactive vs tumor
Stroke
"Goal post or horse shoe" gray matter pattern

DDx: viral myelitis

White matter - periphery of cord
Gray matter - central cord
Lupus-related myelitis
-High T1 and T2
-During flare-ups, cord enlargement in 75% (50% enhance)
-Resolution of cord swelling and enhancement during remission
-Eventual myomalacia
Neoplastic
-multiple lesions
-not much ligamentous enhancement
-posterior elements involved
Infection
-one vertebral body involved
-enhancement of ALL and PLL
Osteoporosis
-anterior wedging