My neurologist has an affinity for analogies, and here is a good one from my recent appointment. Do you see the Dawson's fingers in the view of my brain? They are the lesions that run perpindicular to the ventricles and are named after Dr. Dawson, a pathologist from Scotland, who first noted the pattern of lesions back in 1916 .
Well the good neuro doctor was looking at my films and this shot reminded him of a national geographic show he had seen on Vikings. The Vikings would cruise through the water, come ashore at some unsuspecting spot, raid the village closest to shore, get back on the boat and sail off into the sunset.
He says the MS vikings are much the same. The myelin munching bunch travel through the spinal fluid and up the ventricles - they hop off the waves of CSF and come into the brain and often raid the nearest spot they can find myelin. And this my friends, is why Dawson's Fingers are so prevalent among MS patients - you can blame the Vikings who were too lazy to wander far from the shoreline!
Laura Lu, if this was from a 1.5T scan, then the people who did mine either lied about its strength or didn't know how to focus theirs. Mine are much less clear. Love the new 7T ones, though.
I was just looking at another picture here and stopped to read this one again. Is that really my brain and my lesions? My new MRI's are so improved over this one!
Great story, it is a clever simulation of how this happens! Peoble that have this kind of way to explaine things are the best teacher's because then it sticks with you. (Sorry for my English) Now I know all about the vikings ;) ( I who thought I knew everything before :-/ ).
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