White Blood Cells

Causes of Atypical Lymphocytes (Reactive Lymphocytes)

Atypical lymphocytes are activated immune cells, often seen in infections. Their unique look aids diagnosis, but distinguishing it from cancer is important.

Hypersensitivity Reactions: Causes and Mechanisms

Hypersensitivity is an exaggerated, undesirable immune response to an antigen, causing tissue damage. It encompasses four types: IgE-mediated (allergies), cytotoxic, immune complex, and delayed cell-mediated reactions.

Basophilia (High Basophils)

Basophilia is when basophil count are elevated. It often signals underlying issues like MPNs, allergies, or inflammation.

Neutropenia

Neutropenia

Neutropenia is a condition with a low count of neutrophils, key infection-fighting white blood cells. This increases susceptibility to various infections.