Table 1

Pathological features of Papillary glioneuronal tumor

Pathological features

Number (n = 33)


Gross features


Cystic mass

24

Cystic with mural nodule

10


Microscopic features


Biphasic (glial & neural)

33

Pseudopapillae

33

Hyalinized vessels

28

Rosenthal fibers

13

Microcalcification

8

Pigment laden macrophages

6

Mild lymphocytic infiltrate

5

Minigemistocytes

1

Angiomatous foci

1


Immunohistochemistry


GFAP

33

S-100

31

Synaptophysin

29

Olig2

8/8

NeuN

2/2

MAP2

2/2

NCAM-L

2/2

HNK1

1/1


Radotra et al. Diagnostic Pathology 2007 2:6   doi:10.1186/1746-1596-2-6

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