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Facts you should know about Hodgkin's disease and non-Hodgkin's lymphoma (NHL)
Non-Hodgkin’s lymphoma is more common than Hodgkin’s lymphoma.
Both Hodgkin's disease (sometimes referred to as Hodgkin's lymphoma) and non-Hodgkin's lymphoma are cancers that originate in a type of white blood cell known as a lymphocyte, an important component of the body's immune system.
- Non-Hodgkin’s lymphoma is more common than Hodgkin’s lymphoma.
- Physicians distinguish the lymphomas by the presence of Reed-Sternberg cells, which are absent in Non-Hodgkin’s lymphoma.
- Reed-Sternberg cells are giant cells present in the lymph fluid that are
How are Hodgkin's disease and non-Hodgkin's lymphoma (NHL) different?
Both of these malignancies may cause similar symptoms, but the conditions themselves are different. The distinction between Hodgkin's disease and non-Hodgkin's lymphoma is made upon examination of the cancer cells (from a biopsy or aspiration of the tumor tissue). The type of abnormal cells identified in the sample determines whether lymphoma is classified as Hodgkin's disease or non-Hodgkin's lymphoma.
What are the statistics on Hodgkin's disease and non-Hodgkin's lymphoma (NHL)?
Two types of Hodgkin's lymphoma
Non-Hodgkin's lymphoma
- Non-Hodgkin's lymphoma is much more common than Hodgkin's disease.
- In the United States, non-Hodgkin's lymphoma is the sixth most common cancer among males and females. Furthermore, the incidence of non-Hodgkin's lymphoma has been steadily increasing over the last decades.
- Non-Hodgkin's lymphoma is actually a heterogeneous group of over 30 types of cancers with differences in the microscopic appearance and biological characterization of the malignant lymphocytes.
- The different types of non-Hodgkin's lymphoma also have differences in their biologic behavior (such as the tendency to grow aggressively) that affect a patient's overall outlook (prognosis). The specific type of NHL also affects treatment planning.
Hodgkin's lymphoma
- Hodgkin's disease is much less common than non-Hodgkin's lymphoma and accounts for only about 1% of all cancers in the U.S.
- The incidence of this cancer has actually been declining in recent years, in contrast to the increases in non-Hodgkin's lymphoma.
- The diagnosis of Hodgkin's disease is confirmed by visualizing tissue samples using a microscope.
- When a biopsy from cancer contains a certain type of cell termed a Reed-Sternberg cell, the lymphoma is classified as Hodgkin's disease.
Non-Hodgkin’s Lymphoma Treatment
A doctor will usually refer a patient to an oncologist for evaluation and treatment. Some large academic medical centers have oncologists who specialize in lymphomas.
The treatment plan depends mainly on the following:
- The type of non-Hodgkin’s lymphoma
- Its stage (where the lymphoma is found)
- How quickly the cancer is growing
- The patient’s age
- Whether the patient has other health problems
- If there are symptoms present such as fever and night sweats
Read more about non-Hodgkin’s lymphoma treatment »
What are the risk factors for Hodgkin's disease and non-Hodgkin's lymphoma (NHL)?
Both Hodgkin's disease and non-Hodgkin's lymphoma can occur in people of any age.
- Both Hodgkin's disease and non-Hodgkin's lymphoma can occur in people of any age, but the risk of developing non-Hodgkin's lymphoma increases with age, with most patients being diagnosed in their 60s.
- Hodgkin's disease occurs most commonly in two distinct age groups:
- younger people between 15 and 40 years of age (most commonly in the age range of 20 to 30) and
- people who are 55 or older at the time of diagnosis.
What are the signs and symptoms of Hodgkin's disease and non-Hodgkin's lymphoma (NHL)?
The symptoms of both types of lymphoma include
- painless swelling of involved lymph nodes, and
- further symptoms are dependent upon the location and extent (spread) of cancer.
- Hodgkin's lymphomas are more likely to begin in lymph nodes in the upper body (such as in the neck, underarms, or chest), but both types of lymphoma can be found anywhere in the body.
- Both types of lymphoma may also be associated with general symptoms of weight loss, fevers, and night sweats, although there are many other causes for these nonspecific symptoms.
What are the treatments for Hodgkin's disease and non-Hodgkin's lymphoma (NHL)?
The prognosis and treatment of all lymphomas is highly dependent upon the exact type and characterization of malignant lymphocytes; the growth characteristics and location of a particular tumor; the extent to which the tumor has already spread at the time of diagnosis; and the age and overall health status of the patient. Both radiation therapy and various chemotherapy drugs have been used with success in the treatment of both Hodgkin's and non-Hodgkin's lymphoma. Newer treatments are developing for certain types of lymphomas including treatments using biologic medications — such as antibodies that target certain lymphocytes called B cells, and stem cell transplantation.
QUESTION
Cancer is the result of the uncontrolled growth of abnormal cells anywhere in the body.
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What are the prognoses for Hodgkin's disease and non-Hodgkin's lymphoma (NHL)?
Hodgkin's disease survival rates
- Hodgkin's disease is one of the most curable types of cancer, with 5-year survival rates that have steadily increased to about 88% from 2004 to 2010.
- This rate is even higher (about 94%) in people under age 45 at the time of diagnosis.
Non-Hodgkin's disease survival rates
- The prognosis for NHL varies according to the specific type of lymphoma and the extent of the spread of the disease (stage).
- The 5-year survival rate overall for all patients with NHL was about 72% from 2004 to 2010.