Lymphoma

Treatment

Chemotherapy and radiation therapy are the most commonly used lymphoma treatments, although bone marrow transplantation, biological therapies, or surgery are sometimes used in the treatment process.

Chemotherapy is the use of drugs to kill cancer cells. Lymphoma chemotherapy usually consists of a combination of several drugs. Patients may receive chemotherapy alone or in combination with radiation therapy.

Chemotherapy is usually given in cycles: a treatment period followed by a recovery period, then another treatment period, and so on. Most anticancer drugs are given by injection into a blood vessel (IV); some are given by mouth. Chemotherapy is a systemic treatment because the drugs enter the bloodstream and travel throughout the body. Usually a patient has chemotherapy as an outpatient (at the hospital, at the doctor's office, or at home). However, depending on which drugs are given and the patient's general health, a short hospital stay may be needed.

Radiation therapy (also called radiotherapy) is the use of high-energy rays to kill cancer cells. Lymphoma treatment with radiation may be given alone or with chemotherapy. Radiation therapy is local treatment; it affects cancer cells only in the treated area. Radiation therapy for lymphoma comes from a machine that aims the high-energy rays at a specific area of the body. There is no radioactivity in the body when the treatment is over.

Sometimes patients are given chemotherapy and/or radiation therapy to kill undetected cancer cells that may be present in the central nervous system (CNS). In this form of lymphoma treatment, called central nervous system prophylaxis, the doctor injects anticancer drugs directly into the cerebrospinal fluid.

Bone marrow transplantation (BMT) may also be an option for treating lymphoma, especially for patients whose lymphoma has recurred (come back). BMT provides the patient with healthy stem cells (very immature cells that produce blood cells) to replace cells damaged or destroyed by treatment with very high doses of chemotherapy and/or radiation therapy. The healthy bone marrow may come from a donor, or it may be marrow that was removed from the patient, treated to destroy cancer cells, stored, and then given back to the person following the high-dose treatment. Until the transplanted bone marrow begins to produce enough white blood cells, patients have to be carefully protected from infection. They usually stay in the hospital for several weeks.

Biological therapy (also called immunotherapy) is a form of lymphoma treatment that uses the body’s immune system, either directly or indirectly, to fight cancer or to lessen the side effects that can be caused by some cancer treatments. It uses materials made by the body or made in a laboratory to boost, direct, or restore the body's natural defenses against disease. Biological therapy is sometimes also called biological response modifier therapy.

Surgery may be performed to remove a tumor. Tissue around the tumor and nearby lymph nodes may also be removed during the operation.

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