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Table 1 Pathological features of Papillary glioneuronal tumor

From: Papillary glioneuronal tumor: a new entity awaiting inclusion in WHO classification

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

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