Lymphoma is a group of blood cell tumors that develop from lymphocytes (a type of white blood cell). source
Lymphoma is a group of blood cell tumors that develop from lymphocytes (a type of white blood cell).
Signs and symptoms may include enlarged lymph nodes, fever, drenching sweats, unintended weight loss, itching, and constantly feeling tired. source
Signs and symptoms may include enlarged lymph nodes, fever, drenching sweats, unintended weight loss, itching, and constantly feeling tired.
The enlarged lymph nodes are usually painless,The sweats are most common at night. source
The enlarged lymph nodes are usually painless,The sweats are most common at night.
There are dozens of subtypes of lymphomas. source
There are dozens of subtypes of lymphomas.
The two main categories of lymphomas are Hodgkin's lymphomas (HL) and the non-Hodgkin lymphomas (NHL). source
The two main categories of lymphomas are Hodgkin's lymphomas (HL) and the non-Hodgkin lymphomas (NHL).
The World Health Organization (WHO) includes two other categories as types of lymphoma. source
The World Health Organization (WHO) includes two other categories as types of lymphoma.
About 90% of lymphomas are non-Hodgkin lymphomas. source
About 90% of lymphomas are non-Hodgkin lymphomas.
Lymphomas and leukemias are a part of the broader group of tumors of the hematopoietic and lymphoid tissues. source
Lymphomas and leukemias are a part of the broader group of tumors of the hematopoietic and lymphoid tissues.
Risk factors for Hodgkin lymphoma include infection with Epstein–Barr virus and a history of the disease in the family. source
Risk factors for Hodgkin lymphoma include infection with Epstein–Barr virus and a history of the disease in the family.
Lymphoma most often spreads to the lungs, liver, and/or brain. source
Lymphoma most often spreads to the lungs, liver, and/or brain.
Lymphoma may present with certain nonspecific symptoms. source
Lymphoma may present with certain nonspecific symptoms.
Lymphadenopathy or swelling of lymph nodes, is the primary presentation in lymphoma. source
Lymphadenopathy or swelling of lymph nodes, is the primary presentation in lymphoma.
B symptoms (systemic symptoms) – can be associated with both Hodgkin lymphoma and non-Hodgkin lymphoma. source
B symptoms (systemic symptoms) – can be associated with both Hodgkin lymphoma and non-Hodgkin lymphoma.
Lymphoma is definitively diagnosed by a lymph node biopsy, meaning a partial or total excision of a lymph node examined under the microscope. source
Lymphoma is definitively diagnosed by a lymph node biopsy, meaning a partial or total excision of a lymph node examined under the microscope.
This examination reveals histopathological features that may indicate lymphoma. After lymphoma is diagnosed, source
This examination reveals histopathological features that may indicate lymphoma. After lymphoma is diagnosed,
Lymphomas in the strict sense are any neoplasms of the lymphatic tissues (lympho- + -oma) . source
Lymphomas in the strict sense are any neoplasms of the lymphatic tissues (lympho- + -oma) .
Lymphoma can also spread to the central nervous system, often around the brain in the meninges, known as lymphomatous meningitis (LM). source
Lymphoma can also spread to the central nervous system, often around the brain in the meninges, known as lymphomatous meningitis (LM).
The incidence of non-Hodgkin lymphoma increases with age. source
The incidence of non-Hodgkin lymphoma increases with age.
Lymphoma is the most common form of hematological malignancy, or "blood cancer", in the developed world. source
Lymphoma is the most common form of hematological malignancy, or "blood cancer", in the developed world.