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Tumors of the hematopoietic and lymphoid tissues ( American English) or tumours of the haematopoietic and lymphoid tissues ( British English) are tumors that affect the blood, bone marrow, lymph, and lymphatic system. [1] [2] Because these tissues are all intimately connected through both the circulatory system and the immune system, a disease ...
Lymphoma is the most common form of hematological malignancy, or "blood cancer", in the developed world. Taken together, lymphomas represent 5.3% of all cancers (excluding simple basal cell and squamous cell skin cancers) in the United States and 55.6% of all blood cancers.
353,500 (2015) [8] Leukemia ( also spelled leukaemia; pronounced / luːˈkiːmiːə / [1] loo-KEE-mee-ə) is a group of blood cancers that usually begin in the bone marrow and produce high numbers of abnormal blood cells. [9] These blood cells are not fully developed and are called blasts or leukemia cells. [2]
Hodgkin lymphoma ( HL) is a type of lymphoma in which cancer originates from a specific type of white blood cell called lymphocytes, where multinucleated Reed–Sternberg cells (RS cells) are present in the patient's lymph nodes. [ 2][ 8] The condition was named after the English physician Thomas Hodgkin, who first described it in 1832. [ 9 ...
T-cell lymphoma. Micrograph of an enteropathy-associated T-cell lymphoma (upper right of image), a type of T-cell lymphoma. H&E stain. T-cell lymphoma is a rare form of cancerous lymphoma affecting T-cells. [ 1] Lymphoma arises mainly from the uncontrolled proliferation of T-cells and can become cancerous. [ 2]
Marked male predominance [ 1] T-cell acute lymphoblastic leukemia (T-ALL) is a type of acute lymphoblastic leukemia characterized by an aggressive malignant neoplasm of the bone marrow. [ 6] Acute lymphoblastic leukemia (ALL) is a condition where immature white blood cells accumulate in the bone marrow, subsequently crowding out normal white ...
Institutions. National Cancer Institute. Elaine Sarkin Jaffe (born in August 1943) is a senior National Cancer Institute (NCI) investigator at the National Institutes of Health (NIH) most well known for her contribution to hematopathology. She completed her medical education at Cornell University and the University of Pennsylvania, receiving ...
Lymphoid cells include T cells, B cells, natural killer cells, and innate lymphoid cells. The definition of hematopoietic stem cell has developed since they were first discovered in 1961. [5] The hematopoietic tissue contains cells with long-term and short-term regeneration capacities and committed multipotent, oligopotent, and unipotent ...