Disease of the Month: Hodgkin Lymphoma

Introduction  Hodgkin lymphoma (HL), previously known as Hodgkin's disease is an uncommon cancer that develops in the lymphatic system: a network of vessels and glands that spread throughout the body. It was named after Thomas Hodgkin, who first described abnormalities in the lymph system in 1832. The lymphatic system is part of the immune system. Clear fluid called lymph flows through the lymphatic vessels and contains infection-fighting white blood cells, known as lymphocytes. In HL, B-lymphocytes start to multiply in an abnormal way and begin to collect in certain parts of th...