Table 2 The histological features of angiomatous PXA
From: Angiomatous pleomorphic xanthoastrocytoma: a case report and literature review
Histological features | Sugita et al. 1990 [17] | Takahabashi et al. 1995 [23] | Lee et al. 1996 [22] | Sugita et al. 1999 [20] | Richard et al. 1999 [21] | Present case | |
|---|---|---|---|---|---|---|---|
Case 1 | Case 2 | Case 3 | Case 4 | Case 5 | Case 6 | Case 7 | |
Highly vascular configuration | + | + | + | + | + | + | + |
Microcystic formation | ND | ND | ND | ND | + | ND | +, focal |
storiform or fascicular growth pattern with spindled cells | ND | ND | + | ND | + | +, focal | |
Anaplasic features | ND | ND | ND | - | - | - | - |
“Epithelioid” cells | ND | ND | ND | - | - | ND | + |
Pleomorphism | + | + | + | ND | + | + | + |
Foamy or vacuolated cytoplasm | + | + | + | + | + | + | + |
Giant cells | + | + | + | ND | + | + | + |
Xanthomatous tumor cells | + | + | ND | ND | + | + | - |
Dysplastic neurons | + | + | + | ND | + | + | - |
Intranuclear inclusions | ND | ND | ND | ND | ND | ND | + |
Calcification | ND | ND | ND | ND | + | + | + |
Rosenthal fibers | ND | ND | ND | ND | ND | + | - |
Eosinophilic hyaline droplets | ND | ND | ND | ND | ND | + | + |
Granular bodies | |||||||
eosinophilic | + | + | + | + | + | + | + |
Pale | ND | ND | ND | ND | ND | ND | + |
Hemosiderin deposition | ND | ND | ND | + | - | + | +, focal |
Perivascular lymphocytes infiltration | + | + | ND | + | + | + | + |
Reticulin network | ND | ND | ND | + | - | - | - |
Mitoses | rare | rare | rare | rare | rare | rare | rare |
Necrosis | - | - | - | - | - | - | - |
Endothelial proliferation | - | - | - | - | - | - | - |