TIL before CT and MRI’s were available, doctors used to replace the fluid in and around the brain with air to do imaging with X-rays.
TIL before CT and MRI’s were available, doctors used to replace the fluid in and around the brain with air to do imaging with X-rays.
cross-posted from: https://lemmy.world/post/1779005
Apparently this was done because air captures less X-rays than CSF and thus creates more contrast with brain tissue compared to the cerebrospinal fluid.
Unfortunately this was pretty painful and uncomfortable.
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For anyone specifically interested in neuroscience: we’re trying to create a neuroscience community over at: !neuro@lemmy.world
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