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Vertebroplasty heals fractures but may cause others, Mayo Clinic study finds

A Mayo Clinic study discovered a relationship between vertebroplasty and the development of new fractures, with patients' risk for new fractures in adjacent vertebrae being 4.62 times higher than nonadjacent vertebral fractures. The researchers recommend patients considering vertebroplasty be aware of potential long-term risks.

SourceMayo Clinic·JournalAmerican Journal of Neuroradiology·DateJan 16, 2006
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Seismosaur cut down to size

A team of paleontologists has reestimated Seismosaurus's length to 110 feet, bringing it within range of the blue whale. The new estimate was achieved by scaling up a smaller Diplodocus dinosaur and comparing its caudal vertebrae.

SourceGeological Society of America·DateNov 5, 2004

New fossil sheds light on old mystery

A new Chinese fossil discovery sheds light on the evolution of protorosaurs and their long-necked marine reptiles. The Dinocephalosaurus species' 25 cervical vertebrae neck may have enabled a unique suction-based feeding method, allowing it to capture prey more effectively in water.

SourceField Museum·JournalScience·DateSep 23, 2004

Disc replacement in neck relieves pain, restores mobility

A new disc replacement device has shown promise in relieving neck pain and restoring mobility, according to a recent study. The device simulates the function of a natural cervical disc and allows patients to move their head up and down and from side to side without significant limitations.

SourceLoyola Medicine·DateMar 18, 2004