Pathology dictionary

Basal lymphoplasmacytosis

Basal lymphoplasmacytosis

What does basal lymphoplasmacytosis mean?

Lymphocytes and plasma cells are specialized immune cells that help protect the body against infection. Large numbers of these cells are not usually seen a tissue sample from the normal, healthy colon is examined under the microscope. Basal lymphoplasmacytosis means that a large groups of lymphocytes and plasma cells were seen in tissue that lines the inside of the colon.

What causes basal lymphoplasmacytosis?

This change is caused by abnormal activation of the immune system. What triggers the immune system to become activated is not currently known.

Other signs of chronic inflammation in the colon are crypt distortion and Paneth cell metaplasia. Pathologists describe these changes as chronic colitis.

Conditions associated with basal lymphoplasmacytosis

This change is frequently seen in inflammatory bowel disease. Types of inflammatory bowel disease include Crohn’s disease and ulcerative colitis.

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