Abstract:
:A thoracic intradural arachnoid cyst presenting as an intradural extramedullary mass highly suggestive of psammoma on myelogram and myelo-CT is reported in a 34-year-old female. High densities of the cyst were related to collection of contrast media within the cyst. However MR examination of the thoracic spinal cord including sagittal T1 (without and with contrast) and T2 studies failed to demonstrate the mass. Lack of MR changes were related on one hand to the small size of the cyst and to the absence of mass effect on the spinal cord, and on the other hand to a CSF-like signal of the contents of the cyst. Only combination of myelography, myelo-CT and MR allows precise diagnosis of small intradural arachnoid cyst; however MR is the method of choice for evaluation of large intradural subarachnoid cysts.
journal_name
Neuroradiologyjournal_title
Neuroradiologyauthors
Dietemann JL,Filippi de la Palavesa MM,Kastler B,Warter JM,Buchheit Fdoi
10.1007/BF00593348subject
Has Abstractpub_date
1991-01-01 00:00:00pages
90-1issue
1eissn
0028-3940issn
1432-1920journal_volume
33pub_type
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