Dawson’s fingers refers to the orientation of MS plaques along the axis of medullary veins, radiating from the corpus callosum. These plaques may be acute or chronic.
Contrast enhancement is typically seen only in acute, active plaques. Contrast enhancement may be seen in “Dawson’s finger” type plaques, or in plaques elsewhere in the CNS (eg posterior fossa or spinal cord).
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What’s the relationship between an incomplete ring enhancement sign and “Dawson’s fingers”?
Dawson’s fingers refers to the orientation of MS plaques along the axis of medullary veins, radiating from the corpus callosum. These plaques may be acute or chronic.
Contrast enhancement is typically seen only in acute, active plaques. Contrast enhancement may be seen in “Dawson’s finger” type plaques, or in plaques elsewhere in the CNS (eg posterior fossa or spinal cord).
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