lymphocytic infiltration


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lymphocytic infiltration

An infiltration of tissue by lymphocytes.
See also: infiltration
References in periodicals archive ?
Histopathologic Features of Lymphocytic Interstitial Pneumonia Major features Dense polymorphous interstitial inflammatory infiltrate composed of lymphocytes, histiocytes, and plasma cells Component of follicular bronchiolitis often present Secondary features Intraepithelial lymphocytes Type II pneumocyte hyperplasia Focal lymphocytic infiltration of vessel walls Foci of organizing pneumonia Loose nonnecrotizing granulomas Occasional giant cells Interstitial fibrosis of variable degree Foci of amyloid Table 4.
With Crohn's disease, lymphocytic infiltration and granulomatous inflammation involve the full thickness of the intestinal wall.
Histopathologic examination of sections from the cortex, hippocampus, thalamus, hypothalamus, midbrain, pons, medulla, and cerebellum showed polioencephalitis affecting predominantly the diencephalon 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.
Junctional activity was seen in a few places, along with moderate lymphocytic infiltration.
The liver biopsy revealed small lymphocytic infiltration, both in the portal tract and the parenchyma, associated with destruction of limiting plates.
It is frequently accompanied by lymphocytic infiltration of the tumor and clinical thyroiditis.
Patients with flaccid paralysis have perivascular lymphocytic infiltration in the spinal cord, microglial nodules, and loss of anterior horn cells (9).
19,20] The absence of lymphocytic infiltrates or myocardial fibrosis in our 2 cases supports the lack of a toxic effect both of AAS and other toxic factors linked with lymphocytic infiltration, as reported in 3 other cases.

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