PMC3424674_01
T2 sagittal and axial
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F1
T12-L1 that had a similar intensity to cerebrospinal fluid (CSF) and no contrast enhancement. The cord also appeared to be low lying and terminated at the level of L3 [Figures 1 and 2].
T1 sagittal precontrast (a) and postcontrast (b)
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F2
T12-L1 that had a similar intensity to cerebrospinal fluid (CSF) and no contrast enhancement. The cord also appeared to be low lying and terminated at the level of L3 [Figures 1 and 2].
Hematoxylin and eosin stain
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F3
Hematoxylin and eosin staining revealed multiple irregular cystic spaces lined by epithelium [Figure 3].
Cytokeratin 7 stain
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F4
Immunohistochemical stains were reactive for pankeratin, cytokeratin-7, epithelial membrane antigen, and carcinoembryonic antigen [Figure 4].
Glial fibrillary acidic protein stain
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F5
The epithelium was nonreactive for cytokeratin-20, thyroid transcription factor-1, and glial fibrillary acidic protein [Figure 5].