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Man has 3D-printed vertebrae implanted in world-first surgery

Man has 3D-printed vertebrae implanted in world-first surgery | 21st Century Innovative Technologies and Developments as also discoveries, curiosity ( insolite)... | Scoop.it
While we still don't have a 3D printer in every home, use of the technology in medicine is becoming increasingly vital. 3D-printed implants made to perfectly fit the patient have a significant medical benefit, as one Australian doctor has demonstrated.

In late 2015, Ralph Mobbs, a neurosurgeon at the Prince of Wales Hospital in Sydney, met a patient who suffered from a virulent form of cancer known as chordoma.

SEE ALSO: Scientists are getting closer to 3D printing you a new ear if you lose one

The patient, who is in his 60s, had a tumour in a particularly hard-to-get-to location, Mobbs told Mashable Australia. "At the top of the neck, there are two highly-specialised vertebrae that are involved in the flexion and rotation of the head. This tumour had occupied those two vertebrae," he said.

Without treatment, the tumour can slowly compress the brain stem and spinal chord, causing quadriplegia. "It's a particularly horrible way to go," Mobbs said.


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Gust MEES's insight:
While we still don't have a 3D printer in every home, use of the technology in medicine is becoming increasingly vital. 3D-printed implants made to perfectly fit the patient have a significant medical benefit, as one Australian doctor has demonstrated.

In late 2015, Ralph Mobbs, a neurosurgeon at the Prince of Wales Hospital in Sydney, met a patient who suffered from a virulent form of cancer known as chordoma.

SEE ALSO: Scientists are getting closer to 3D printing you a new ear if you lose one

The patient, who is in his 60s, had a tumour in a particularly hard-to-get-to location, Mobbs told Mashable Australia. "At the top of the neck, there are two highly-specialised vertebrae that are involved in the flexion and rotation of the head. This tumour had occupied those two vertebrae," he said.

Without treatment, the tumour can slowly compress the brain stem and spinal chord, causing quadriplegia. "It's a particularly horrible way to go," Mobbs said.


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http://www.scoop.it/t/21st-century-innovative-technologies-and-developments/?tag=3D


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Surgeons replace a 12-year-old's cancerous vertebra with a 3D-printed implant

Surgeons replace a 12-year-old's cancerous vertebra with a 3D-printed implant | 21st Century Innovative Technologies and Developments as also discoveries, curiosity ( insolite)... | Scoop.it
The latest surgery brought to you by the seemingly endless possibilities of 3D-printing comes at the hands of doctors at China's Peking University Third Hos...


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Mal de dos : des cellules souches pour réparer un disque intervertébral | Research | Medicine

Mal de dos : des cellules souches pour réparer un disque intervertébral | Research | Medicine | 21st Century Innovative Technologies and Developments as also discoveries, curiosity ( insolite)... | Scoop.it
D’un point de vue physiologique, le noyau pulpeux, la partie centrale des disques intervertébraux, est le premier touché. Il est composé en grande partie d’eau, ce qui lui confère ses propriétés d’amortisseur. Avec l’âge, les cellules pulpeuses deviennent progressivement moins prolifératives, plus sujettes à l’apoptose et incapables de produire cette fameuse matrice extracellulaire très hydratée.

Comment alors les remplacer par des cellules fonctionnelles ? Les chercheurs se sont intéressés au tissu adipeux qui constitue un grand réservoir de cellules souches capables de se différencier dans une vaste gamme de types cellulaires. Encore fallait-il trouver le bon protocole pour réussir à ce que des cellules souches du tissu adipeux puissent se transformer en cellules du noyau pulpeux.
Gust MEES's insight:

D’un point de vue physiologique, le noyau pulpeux, la partie centrale des disques intervertébraux, est le premier touché. Il est composé en grande partie d’eau, ce qui lui confère ses propriétés d’amortisseur. Avec l’âge, les cellules pulpeuses deviennent progressivement moins prolifératives, plus sujettes à l’apoptose et incapables de produire cette fameuse matrice extracellulaire très hydratée.

Comment alors les remplacer par des cellules fonctionnelles ? Les chercheurs se sont intéressés au tissu adipeux qui constitue un grand réservoir de cellules souches capables de se différencier dans une vaste gamme de types cellulaires. Encore fallait-il trouver le bon protocole pour réussir à ce que des cellules souches du tissu adipeux puissent se transformer en cellules du noyau pulpeux.


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