There are a number of conditions that make bone tissue grow incorrectly, but when it happens to the scalp the consequences can be disastrous for the brain. A woman treated at University Medical Center Utrecht in The Netherlands recently had a scalp that was growing inward, putting pressure on the brain. So to help save the patient, a 3D printed scalp was created to replace the original one. Here’s video from UMC Utrecht showing the highlights from the 23 hour long procedure (make sure the captions are on if you are one of our non-Dutch readers):
