mitotic index


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mitotic index

[mī′täd·ik ′in‚deks]
(cell and molecular biology)
The number of cells undergoing mitosis per thousand cells.
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References in periodicals archive ?
A high mitotic index [[greater than or equal to]10/10 (high-power field)] and high Ki-67 expression (>10%) can serve as useful indicators for diagnosing LMS, distinguishing benign tumors, and predicting an aggressive clinical course.
Mitotic index was found by calculating the number of mitoses per millimetre squared.
No statistical difference was verified in mitotic index (MI) for the aqueous and hexane extracts (Dunnett, P<0.
Considering the results in Table 1, it was observed that the Orange and Grape juices of the company A significantly reduced the cell division index at the 24 hours exposure time compared to the mitotic index observed for its respective control.
Thus, for the diagnosis of leiomyosarcoma, it is always important to take the mitotic index and cytologic atypia into account, especially when the type of necrosis is difficult to classify.
It was analyzed cells throughout the cell cycle and calculated the number of cells in interphase and in division for each control and exposure time and determined index of cell division or mitotic index (MI).
report that the mitotic index and the extent of primary resection may be the two most important predictors of recurrence and survival in these patients (11).
3) They are usually high-grade tumors, with a high mitotic index, necrosis, and metastatic potential.
Key words: Iminothiazolidinone, HeLa cells, viability, mitotic index, labelling index.
It was reported in a recent study in which the focus was a series of 346 gastric GISTs, that PDGFR[alpha] mutations occurred in 35% of the tumours, were associated with a lower mitotic index, and had a benign course in more than 80% of cases.
On the cellular level, classical features include pleomorphic cellularity, high mitotic index, and presence of melanosomes, with this combination of features being reported in half the cases of CCS reported in the literature.
Using multivariate Cox analysis, the authors concluded that in terms of GIST recurrence, significant prognostic factors included symptoms, mitotic index, and tumor location [21].