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called Reed-Sternberg cells, and non-Hodgkin lymphoma (NHL), a large group of other

lymphomas.

Myeloma

Myeloma is a cancer that starts in plasma cells, a type of white Wood colt. It dies most
common type of plasma cell cancer. Plasma cells are white blood cells that make

antibodies.

Myeloma begins when a plasma cell becomes abnormal. The abnormal cell divides to

make copies of it. These abnormal plasma cells are called myeloma

cells. In time, myeloma cells collect in the bone marrow. They may damage the
solid part of the bone. When myeloma cells collect in several of bones, the

disease is called "multiple myeloma." This disease may also harm other tissues
and organs, such as the kidneys. Myeloma cells make antibodies called M

proteins and other proteins. These proteins can collect in the blood, urine, and organs.

Variants of multiple myeloma include the shouldering type, plasma cell leukemia, non-

secretary myeloma and solitary plasmacytoma of bone. Although the clinical course
differs between these types the prognosis of all is generally poor.

3.4 Idiopathic Thrombocytopenic Purpura (ITP)

ITP is a blood disorder characterized by an abnormal decrease in the number of

platelets (thrombocytopenic) in the blood without a known cause (idiopathic). A

decrease in platelets can result in easy bruising, bleeding gums, and internal bleeding
(purpura).

Forms of ITP

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