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Cell kinetic analysis in recurrent neuro-epithelial tumours
E Gömöri1, I Mészáros, G Méhes
1Department of Pathology, University Medical School, Pécs, Hungary.
Acta Neurochirurgica
|January 1, 1996
Summary
Brain tumour recurrence significantly impacts patient prognosis. High cell proliferation, indicated by S-phase fraction and MIB-1 labeling, predicts increased recurrence risk in neuro-epithelial tumours.
Area of Science:
- Neuro-oncology
- Pathology
- Cell Biology
Background:
- Brain tumour recurrence is a primary determinant of patient prognosis.
- Tumour cell proliferation rates vary, influencing recurrence timelines.
- Accurate prediction of recurrence risk is crucial for improving patient outcomes.
Purpose of the Study:
- To identify predictive factors for prognosis in neuro-epithelial tumours.
- To enhance histological diagnosis by assessing recurrence risk.
- To compare proliferation markers between recurrent and cured tumour groups.
Main Methods:
- Retrospective analysis of 22 recurrent and 12 cured neuro-epithelial tumours.
- Flow cytometry and immunohistochemistry using MIB-1 antibody.
- Multivariate analysis including BMPD Hotteling T square test.
Main Results:
- Statistically significant differences in investigated aspects between recurrent and cured tumour groups.
- No significant difference observed between primary tumours and their recurrences within the recurrent group.
- Recurrent tumours exhibited accelerated cell cycles and high proliferation activity.
Conclusions:
- Elevated S-phase fraction (>6-9%) indicates increased recurrence risk.
- High MIB-1 labelled cell count (>2-3/HPF) is associated with higher recurrence risk.
- Increased mitotic activity (>1/10 HPF) predicts a greater likelihood of neuro-epithelial tumour recurrence.