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 |
|