anaplasia


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Related to anaplasia: metaplasia

an·a·pla·sia

 (ăn′ə-plā′zhə)
n.
Reversion of cells to an immature or a less differentiated form, as occurs in most malignant tumors.

anaplasia

(ˌænəˈpleɪsɪə)
n
(Biology) reversion of plant or animal cells to a simpler less differentiated form

an•a•pla•sia

(ˌæn əˈpleɪ ʒə, -ʒi ə)

n.
the loss of structural differentiation within a cell or group of cells.
[1905–10; ana- + -plasia]
an`a•plas′tic (-ˈplæs tɪk) adj.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.anaplasia - loss of structural differentiation within a cell or group of cells often with increased capacity for multiplication, as in a malignant tumoranaplasia - loss of structural differentiation within a cell or group of cells often with increased capacity for multiplication, as in a malignant tumor
dysplasia - abnormal development (of organs or cells) or an abnormal structure resulting from such growth
Translations

an·a·pla·si·a

n. anaplasia, falta de diferenciación en las células.
References in periodicals archive ?
Markedly increased mitotic activity, nuclear anaplasia, and palisading necrosis, however, do favor a diagnosis of anaplastic pilocytic astrocytoma (WHO grade III).
The carcinoma is more cellular and shows features of anaplasia.
Keywords: Anaplasia, Breast, Carcinoma, Chromatin, Ductal, Fine- Needle Aspiration, Pakistan.
Grado III: Lesiones con evidencia histologica de malignidad, mitosis, anaplasia y capacidad infiltrativa.
Histopathologically, a high degree of cellular anaplasia, pleomorphism, spindle to stellate shaped cells arranged in form of interlacing bundles were observed and was diagnosed as fibrosarcoma.
The World Health Organization (WHO) classification system groups gliomas into 4 histological grades defined by increasing degrees of undifferentiation, anaplasia, and aggressiveness.
Ademas, el osteosarcoma siempre tiene patron celular con anaplasia, mitosis y pleomorfismo.
Microscopic analysis revealed that the tumour was a nephroblastoma without anaplasia (Fig.
Hematoxylin and eosin stains showed nests of cells with eosinophilic cytoplasm separated by a hyalinized stroma, with no evidence of anaplasia or invasion, consistent with a Paraganglioma.
Anisocytosis and anisokaryosis were moderate, while pleomorphism and anaplasia were low-grade.
6] Large tumor size, high cellularity, anaplasia, high Ki-67 expression, and high mitotic activity seem to be associated with adverse outcomes.
Pathological examination revealed generally low to moderate cellularity, low mitotic index of 1/50 high-power fields (HPF), low nuclear anaplasia and absence of necrosis.