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astrocytosis

   Also found in: Wikipedia 0.10 sec.
astrocytosis
[as′trōsītō′sis]
Etymology: Gk, aster + kytos + osis, condition
an increase in the number of neuroglial cells with fibrous or protoplasmic processes frequently observed in an irregular area adjacent to degenerative lesions, such as abscesses, certain brain neoplasms, and encephalomalacia. Astrocytosis represents a reparative process and in some cases may be diffuse in a large region.


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nbsp;and brainstem and involving varying degrees of neuronopathy, neuronal loss, astrocytosis, parenchymal and perivascular lymphocytic infiltration with CD45 immunopositivity, sparse macrophage activation, and axonal spheroid formation.
A classic triad of spongiform change, neuronal loss, and astrocytosis has been well described (figure 4).
Mild astrocytosis was present, and the cerebral white matter showed multiple scattered foci of resolving petechiae.
 
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