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anaplasia |
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anaplasia [‚an·ə′plāzh·ə] (medicine) Reversion of cells to an embryonic, immature, or undifferentiated state; degree usually corresponds to malignancy of a tumor. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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(3) The tumor we describe belongs in this category, although our case is
unique in view of our distinguishing findings of the absence of fibrosis
and neuronal tissue and the presence of abundant gemistocytes, mild
vascular proliferation, perivascular cuffing, mild cellular anaplasia,
and mitoses. Fibromatosis
occupies an intermediary position, and microscopic sections contain
markedly cellular lesions of mature proliferative fibroblastic tissue,
with infrequent mitoses and occasional atypia, but no frank anaplasia. Nuclear anaplasia can be seen, but mitotic figures
are rare. |
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