Invasive meningiomas in relation to high proliferating potential.
We conducted a study to investigate whether an association exists among histologic findings, labeling index determined by the labeling index (LI) of proliferating cell nuclear antigen (PCNA) and recurrence in a population of 30 meningioma patients. All of 6 patients (invasive meningioma) with brain invasion had a PCNA LI in excess of 5%. Recurrence was found in 4 of these patients. In 24 patients who did not have brain invasion, PCNA LI was 4% or less and only 1 case had recurrence. Recurrence occurred in 3 of 25 patients who underwent macroscopic total resection and all of these 3 cases had brain invasion and a PCNA LI in excess of 5%. The findings of this study indicated the existence of a close correlation between peripheral invasiveness of meningioma and its biological behavior.
Suwa
T
T
Department of Neurosurgery, Kitasato University School of Medicine.
Kawano
N
N
Kameya
T
T
Ito
H
H
Oka
H
H
Yada
K
K
D000293:Adolescent; D000328:Adult; D000368:Aged; D000951:Antigens, Neoplasm / Q000378:metabolism; D002455:Cell Division; D002648:Child; D005260:Female; D006801:Humans; D007158:Immunologic Techniques; D008297:Male; D008577:Meningeal Neoplasms / Q000378:metabolism / Q000473:pathology*; D008579:Meningioma / Q000378:metabolism / Q000473:pathology*; D008875:Middle Aged; D009361:Neoplasm Invasiveness; D009364:Neoplasm Recurrence, Local; D009687:Nuclear Proteins / Q000378:metabolism; D018809:Proliferating Cell Nuclear Antigen; D013194:Staining and Labeling
D000951:Antigens, Neoplasm; D009687:Nuclear Proteins; D018809:Proliferating Cell Nuclear Antigen