Oncology & Cancer

Exposure to chemical in Roundup increases risk for cancer: study

Exposure to glyphosate—the world's most widely used, broad-spectrum herbicide and the primary ingredient in the weedkiller Roundup—increases the risk of some cancers by more than 40 percent, according to new research ...

HIV & AIDS

Second HIV remission patient rekindles cure hope

For just the second time ever an HIV patient is in sustained remission from the virus in what was hailed by experts Tuesday as proof that the AIDS-causing condition could one day be curable.

Oncology & Cancer

Scientists reveal how a common virus triggers blood cancer

Scientists at the University of Sussex, trying to uncover how the common Epstein-Barr virus causes blood cancer in adults and children, have discovered how the virus takes control of two genes involved in cancer development ...

Surgery

Textured breast implant recall: What you need to know

Ever since the Food and Drug Administration recalled textured breast implants in late July, the phone has not stopped ringing at the office of Orlando plastic surgeon Dr. Kendall Peters.

Genetics

Genes that control 'aging' steroid identified

Eight genes which control levels of the main steroid produced by the adrenal gland, believed to play a role in ageing and longevity, have been uncovered by an international consortium of scientists, co-led by King's College ...

Oncology & Cancer

Cholesterol starvation kills lymphoma cells

Scientists at Northwestern Medicine have developed a novel therapy to trick cancer cells into gobbling up what they think is their favorite food—cholesterol—which actually triggers their destruction. What appears to them ...

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Lymphoma

Lymphoma is a type of cancer that originates in lymphocytes of the immune system. They often originate in lymph nodes, presenting as an enlargement of the node (a tumor). Lymphomas are closely related to lymphoid leukemias, which also originate in lymphocytes but typically involve only circulating blood and the bone marrow (where blood cells are generated in a process termed haematopoesis) and do not usually form static tumours. There are many types of lymphomas, and in turn, lymphomas are a part of the broad group of diseases called hematological neoplasms.

Thomas Hodgkin published in 1832 the first description of lymphoma, specifically of the form named after him, Hodgkin's lymphoma. Since then many other forms of lymphoma have been described, grouped under several proposed classifications. The 1982 Working formulation classification became very popular. It introduced the category non-Hodgkin lymphoma (NHL), itself divided into 16 different diseases. However, since these different lymphomas have little in common with each other, the NHL label is of limited usefulness for doctors or patients and is slowly being abandoned. The latest classification by the WHO (2001) lists 43 different forms of lymphoma divided in four broad groups.

Some forms of lymphoma are indolent (e.g. small lymphocytic lymphoma), compatible with a long life even without treatment, whereas other forms are aggressive (e.g. Burkitt's lymphoma), causing rapid deterioration and death. The prognosis therefore depends on the correct classification of the disease, established by a pathologist after examination of a biopsy.

Although older classifications referred to histiocytic lymphomas, these are recognized in newer classifications as of B, T or NK cell lineage. True histiocytic malignancies are rare and are classified as sarcomas.

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