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mitotic rate

    0.01 sec.
mitotic rate
n.
The proportion of cells in a tissue that are undergoing mitosis, expressed as a mitotic index or, roughly, as the number of cells in mitosis in each microscopic high-power field in tissue sections.


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In a study of soft-tissue myoepithelial tumors, Hornick and Fletcher reported that the presence of moderate or extreme cellular atypia was the only histologic feature significantly associated with recurrence or metastasis; border infiltration and mitotic rates did not correlate with aggressive behavior.
Furthermore, additional review of associations between possible prognostic factors and recurrence-free survival showed no statistical significance for age, sex, intra-abdominal involvement, size, lymph node involvement or distant metastasis at time of presentation, mitotic rate, necrosis, or the use of neoadjuvant or adjuvant therapy.
Typical Hepatoblastoma Histologic Types (1) Epithelial, fetal, well differentiated (with minimal mitotic rate of [less than or equal to]2 mitoses per 10, x40 objective fields) (7%) Epithelial, fetal, mitotically active pattern (>2 mitoses per 10, x40 objective fields) (11%) Epithelial type, fetal and embryonal pattern only (39%) Epithelial type, macrotrabecular pattern (12%) Small cell undifferentiated pattern (5.
 
 
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