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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 
 
 
 
 

Cervical radiculomyelopathy caused by deposition of calcium pyrophosphate dihydrate crystals in the ligamenta flava. Case report.

A case of cervical radiculomyelopathy caused by multiple calcified nodules in the ligamenta flava is presented. Roentgenological examination of the cervical spine showed radiopaque nodular lesions, 7 x 7 x 5 mm in size, located in the paramedian portion of the posterior spinal canal. The nodules were removed surgically and they were confirmed to be calcifications of ligamenta flava. Microscopic examination of the nodules with the polarized light revealed extensive deposition of crystals. By x-ray diffraction study, the crystal was determined as clacium pyrophosphate dihydrate (CPPD: Ca2P2O7 . 2H2O). Although CPPD deposition in the cartilage has been known as pseudo-gout syndrome, deposition in the ligament has been reported only in a few cases. This is the first case with radiopaque calcified nodules in the ligamenta flava causing spinal cord compression, the composition of which proved to be CPPD.[1]

References

  1. Cervical radiculomyelopathy caused by deposition of calcium pyrophosphate dihydrate crystals in the ligamenta flava. Case report. Kawano, N., Yoshida, S., Ohwada, T., Yada, K., Sasaki, K., Matsuno, T. J. Neurosurg. (1980) [Pubmed]
 
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