Intraepithelial lymphocytosis
Intraepithelial lymphocytosis refers to a condition characterized by an increased number of immune cells, specifically lymphocytes, within the epithelium (the outermost layer) of tissues. This diagnosis is made when a tissue sample is examined under a microscope. The presence of these lymphocytes suggests that your immune system is responding to something abnormal or irritating within the tissue. …
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