Dawson Fingers (in box) |
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Thursday, March 10, 2011
Dawson Fingers: A Cocktail-Party Term Worth Knowing
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4 comments:
"Images of Dawson fingers" are the new "etchings" on the neuroscience cocktail party circuit. ;)
(I hope I'm not the only one that appreciates that since I thought it up really fast.)
(Plus, I found your last line to be inspiringly hilarious.)
Dawson's fingers can be appreciated upon gross inspection of the brain. We have a few coronal sections of demyelination (i.e. M.S.) that we use for teaching medical students at UTSW. The case that I was using was a great example, in which the so-called "Dawson's fingers" were apparent on gross examination. But you had to know to look for them. Similar to your medical students, I recalled the term from neurology lectures in medical school, but I had never seen a good gross representation until recently.
Cool!
Dear Brian
Well, some neuropathologists have known this term for many years, and it is NOT a radiological term, originally; Dawson described perivascular extensions of acute demyelination in a finger-like pattern, hence the name. The radiologists (as is often the case) have just seized on an imaging correlation to an existing pathological description and now claim this as their own.
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