PMC3401662_01
T1W Magnetic resonance imaging showing a predominantly isointense intramedullary tumor
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F1
Magnetic resonance imaging (MRI) of the spine revealed an intramedullary lesion, predominantly isointense on TIW MRI with homogenous contrast enhancement and interspersed cystic/necrotic areas from D11-L2 [Figures 1 and 2].
Sagittal (a) and axial (b) contrast enhanced Magnetic resonance imaging showing the homogenously enhancing intramedullary tumor with interspersed cystic/necrotic areas
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F2
Magnetic resonance imaging (MRI) of the spine revealed an intramedullary lesion, predominantly isointense on TIW MRI with homogenous contrast enhancement and interspersed cystic/necrotic areas from D11-L2 [Figures 1 and 2].
Microphotograph showing a highly cellular tumor, consisting mainly of small round to oval cells with hyperchromatic nuclei and remarkably scanty cytoplasm along with the presence of Homer-Wright pseudorosettes; the tumor cells being immunopositive for CD 99 (inset)
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F3
Histopathology revealed a highly cellular tumor, consisting mainly of small round to oval cells with hyperchromatic nuclei and remarkably scanty cytoplasm along with the presence of Homer-Wright pseudorosettes; the tumor cells being immunopositive for CD 99 [Figure 3].