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This information is about a specific type of non-Hodgkin lymphoma (NHL), known as anaplastic large cell lymphoma. It should ideally be read with our general information about non-Hodgkin lymphoma.
Anaplastic large cell lymphoma is rare, accounting for about one in 50 of all cases. It can occur at any time between childhood and old age, but is most common in children and young adults. It is about twice as common in men as in women. The lymphoma is usually made up of T-lymphocytes, although in some cases the type of cell making up the lymphoma is unclear: this is known as null-cell type.
The causes of anaplastic large cell lymphoma are unknown. Anaplastic large cell lymphoma, like other cancers, is not infectious and cannot be passed on to other people.
The first sign of the condition is often a painless swelling in the neck, armpit or groin, caused by enlarged lymph nodes. Often, more than one group of nodes is affected. This lymphoma may also occur in skin and sometimes in other organs such as the lungs, liver, bone marrow or bones. Some people experience a loss of appetite and tiredness.
Other symptoms, known as B symptoms, include night sweats, unexplained high temperatures, and weight loss.
A diagnosis is made by removing an enlarged lymph node, or part of it, and examining the cells under a microscope (biopsy). You will be referred to a surgeon for this procedure. It is a very small operation and may be done under local or general anaesthetic. Biopsies may also be taken from other body tissues.
Additional tests, including blood tests, x-rays, scans, and bone marrow samples are then used to get more information about the type of lymphoma and how far it has spread in the body. This information is used to help decide which treatment is most appropriate for you.
The stage of NHL describes how many groups of lymph nodes are affected, where they are in the body, and whether other organs such as the bone marrow or liver are involved.
The stage usually includes the letter A or B, which describes whether or not any B symptoms are present (eg stage 2B). Sometimes the lymphoma can start in areas outside the lymph nodes, and this is represented by the letter E, which stands for extranodal (eg stage 3AE).
For practical purposes, non-Hodgkin lymphomas are also divided into two groups: low- and high-grade. Low-grade lymphomas are usually slow-growing and high-grade lymphomas tend to grow more quickly.
Anaplastic large cell lymphoma is a high-grade lymphoma. This means that it is faster-growing and usually needs prompt treatment with chemotherapy.
Chemotherapy is the use of anti-cancer (cytotoxic) drugs to destroy cancer cells. Anaplastic large cell lymphoma usually needs intensive treatment with chemotherapy. A combination of drugs is given into a vein through injections or drips. Several different combinations of drugs have been used to treat this condition and they appear to be equally successful.
This type of lymphoma usually responds well to chemotherapy, and the lymphoma may seem to disappear completely. This is known as a remission. However, there is a risk that it may come back in the future. In this situation, further chemotherapy can be given to try to control it.
Radiotherapy is the use of high-energy rays to destroy cancer cells, while doing as little harm as possible to healthy cells. It may be used alone when the lymphoma cells are contained in one area of lymph nodes (stage 1). However, radiotherapy is more commonly given after chemotherapy.
High-dose chemotherapy with bone marrow or stem cell infusions have been used for some people with this type of lymphoma. This treatment involves very intensive chemotherapy, and sometimes radiotherapy.
As side effects can be severe, some types of high-dose treatment are not given to people over the age of 45–50, while others can be given to people of up to 65 years who are fit enough. The intensity of the treatment increases the risk of serious side effects for people over this age.
Steroids are drugs which are often given with chemotherapy to help treat lymphomas. They also help you to feel better and can reduce feelings of sickness.
New treatments for anaplastic large cell lymphoma are being researched all the time, and you might be invited by your doctor to take part in a clinical trial to compare a new treatment against the best available standard treatment. Your doctor must discuss the treatment with you, and have your informed consent before entering you into any clinical trial.
The need for practical and emotional support will of course be individual. For some people with anaplastic large cell lymphoma, life may seem largely unaffected; for others the diagnosis of cancer may be a cause of great fear and distress. If you would like to discuss your condition, its treatment, or the practical and emotional problems of living with anaplastic large cell lymphoma, please contact our cancer support service.
This section has been compiled using information from a number of reliable sources, including:
For further references, please see the general bibliography.
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