Histomorphology of angiogenesis patterns in different areas of human astrocytomas / 南方医科大学学报
Journal of Southern Medical University
;
(12): 326-329, 2009.
Article
Dans Chinois
| WPRIM
| ID: wpr-338995
ABSTRACT
<p><b>OBJECTIVE</b>To study angiogenesis patterns in the edematous area and the center of human astrocytomas by histological observation, and to reveal histological basis of vasculogenic mimicry.</p><p><b>METHOD</b>Tissue samples were drawn from the tumor center and the edematous area in 51 patients with human astrocytomas during operation MR and were examined by CD34 endothelial marker periodic acid-Schiff (PAS) dual staining.</p><p><b>RESULTS</b>Vessels or capillaries stained by both PAS and CD34 were found in edematous areas of human astrocytomas. Besides vessels or capillaries stained by both PAS and CD34, vasculogenic mimicries (PAS-positive and CD34-negative tubes containing red blood cells and lined by neoplastic cells), PAS-positive and CD34-negative tubes containing red blood cells and without cells around, PAS-positive and partial CD34-positive vessels or capillaries, and PAS-positive and CD34-negtive vessels or capillaries were detected in the center of tumor of 4 human glioblastomas.</p><p><b>CONCLUSIONS</b>Vasculogenic mimicries in the center of some high-grade astrocytomas may be caused by blood capillary dysplasia, while angiogenesis patterns are vessels or capillaries in the edematus area and the center of most human astrocytomas.</p>
Texte intégral:
Disponible
Indice:
WPRIM (Pacifique occidental)
Sujet Principal:
Anatomopathologie
/
Astrocytome
/
Encéphale
/
Oedème cérébral
/
Tumeurs du cerveau
/
Antigènes CD34
/
Néovascularisation pathologique
Limites du sujet:
Adolescent
/
Adulte
/
Adulte très âgé
/
Enfant
/
Femelle
/
Humains
/
Mâle
langue:
Chinois
Texte intégral:
Journal of Southern Medical University
Année:
2009
Type:
Article
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