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. 2013 Dec 18;26(6):649–654. doi: 10.1177/197140091302600607

Figure 2.

Figure 2

Histopathological study disclosed a central nervous tumor with desmoplastic stroma (A,B, HE 50×) and spindled or elongated astrocytes (C {HE 200×}, D {HE 200×}, E {HE 400x}) positive for GFAP (F, 400×) and h-caldesmon (G, 400×). Additional findings included primitive neuroepithelial cells positive for PGP9.5 (H, 400×), and abnormal neurons positive for synaptophysin (I, 400×), PGP9.5 (H, 400×), and neurofilament (J, 400×). The proliferation index (Ki67) was 1% (K, 400×). Microcalcifications (C,E) and angiomatoid blood vessels (C,D) were recognized.