Our immune system implements an array of strategies to combat threatening infections. White blood cells called cytotoxic T ...

Monoclonal B-cell lymphocytosis (MBL) is a condition in which a person has an excessive amount of abnormal B cells, which are a type of white blood cell known as lymphocytes. The number of abnormal B ...

In a recent article published in the Science Immunology Journal, researchers investigated a cohort of patients who developed myocarditis or pericarditis shortly after severe acute respiratory syndrome ...

Intraepithelial lymphocytosis is an elevated white blood cell count in your gastrointestinal tract. It can be a sign of celiac disease, Crohn’s disease, or other gastrointestinal conditions. The ...

A recent study by Vanderbilt Health researchers has revealed a greater, detrimental role for B lymphocytes (B cells) in the ...

Dear Dr. Roach: I am a female and almost 75 years old. My vital signs are always normal, and I am active, but slightly overweight. I get quarterly blood draws, and every reading is in the normal range ...

In a recent review published in Nature Reviews Immunology, researchers elucidated the mechanisms of long-term T lymphocyte lodgement in tissues other than lymphoid tissues and the reasons for the ...

DEAR DR. ROACH: I am a female and almost 75 years old. My vital signs are always normal, and I am active, but slightly overweight. I get quarterly blood draws, and every reading is in the normal range ...

Lymphocyte-rich Hodgkin’s lymphoma (LRHL) is a subtype of Hodgkin’s lymphoma, a cancer of the lymphatic system. Hodgkin’s lymphoma (HL) is a cancer affecting the lymphatic system. This crucial part of ...

ACUTE infectious lymphocytosis, a clinical entity featured by a benign relative and absolute increase in the number of small mature lymphocytes, was first described in 1941 by Smith. 1 He presented 2 ...