1. Radiologic and Histopathologic Features of Calcifying Pseudoneoplasm of the Neural Axis 
Linda Kocovski, MBBS, Naveen Parasu, MBBS, John P. Provias, MD, Snezana Popovic, MD 
Canadian Association of Radiologists Journal 
Volume 66, Issue 2, Pages (May 2015)
DOI: /j.carj
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2. Figure 1
Coronal computed tomography reformat of L5-S1 region with a lobulated mass with a well-defined cortical margin along the left side of the spinal canal.
Canadian Association of Radiologists Journal  , DOI: ( /j.carj )
Copyright © 2015 Canadian Association of Radiologists Terms and Conditions

3. Figure 2
Sagittal computed tomography reformat with a lobulated mass between vertebrae L5 and S1.
Canadian Association of Radiologists Journal  , DOI: ( /j.carj )
Copyright © 2015 Canadian Association of Radiologists Terms and Conditions

4. Figure 3
Axial T2 magnetic resonance image of vertebra L5 with a low signal calcified mass, with significant mass effect on thecal sac. This figure is available in colour online at
Canadian Association of Radiologists Journal  , DOI: ( /j.carj )
Copyright © 2015 Canadian Association of Radiologists Terms and Conditions

5. Figure 4
An extradural lesion with granular calcificying material (hematoxylin and eosin, original magnification ×400). This figure is available in colour online at
Canadian Association of Radiologists Journal  , DOI: ( /j.carj )
Copyright © 2015 Canadian Association of Radiologists Terms and Conditions

6. Figure 5
An extradural lesion with widespread amorphous and granular calcifying material and fibrous tissue (hematoxylin and eosin, original magnification ×200). This figure is available in colour online at
Canadian Association of Radiologists Journal  , DOI: ( /j.carj )
Copyright © 2015 Canadian Association of Radiologists Terms and Conditions

7. Figure 6
Coronal computed tomography reformat with a coarsely calcified right parasagittal mass in the right basifrontal region.
Canadian Association of Radiologists Journal  , DOI: ( /j.carj )
Copyright © 2015 Canadian Association of Radiologists Terms and Conditions

8. Figure 7
A coronal T2 magnetic resonance image with a heterogeneous mass, showing a predominantly low signal, which implies calcification with areas of high signal. This figure is available in colour online at
Canadian Association of Radiologists Journal  , DOI: ( /j.carj )
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9. Figure 8
An intradural lesion with fibrohistiocytic and foreign body type giant cell reaction (hematoxylin and eosin, original magnification ×400). This figure is available in colour online at
Canadian Association of Radiologists Journal  , DOI: ( /j.carj )
Copyright © 2015 Canadian Association of Radiologists Terms and Conditions

10. Figure 9
An intradural lesion with nodular arrangement of amorphous and granular calcifying material (hematoxylin and eosin, original magnification ×200). This figure is available in colour online at
Canadian Association of Radiologists Journal  , DOI: ( /j.carj )
Copyright © 2015 Canadian Association of Radiologists Terms and Conditions