Using a tiny, spherical glass lens sandwiched between two brass plates, the 17th-century Dutch microscopist Antonie van Leeuwenhoek was the first to officially describe red blood cells and sperm cells ...

B-cell prolymphocytic leukemia (B-PLL) is a rare, aggressive type of leukemia that progresses rapidly. People with B-PLL typically have a less favorable outlook. However, new targeted treatments in ...

Monoclonal B-cell lymphocytosis is when your body produces an elevated number of identical B cells. In some cases, it can develop into chronic lymphocytic leukemia. Monoclonal B-cell lymphocytosis ...

Stage 4 diffuse large B-cell lymphoma (DLBCL) is a rapidly growing lymphoma affecting at least one other organ outside the lymphatic system. Cancer is the unusual growth and spread of cells within the ...