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Hodgkin lymphoma, or classic Hodgkin lymphoma, is a slow-growing and aggressive type of lymphoma (cancer arising from the lymphatic system) that develops from B-lymphatic cells (or white blood cells). These cells develop abnormally to form Reed-Sternberg cells, which are larger than other lymphatic cells and are indicative of this disease.
The lymphatic system is a network of tissues and organs that help our bodies fight infection and disease. It is composed of lymph vessels (carries lymph fluid around the body), lymph fluid (carries nutrients around the body and removes unwanted bacteria/viruses) and lymph nodes/glands (filters lymph fluid and empties it into the bloodstream). Some of the most well-known lymph tissues include the bone marrow, the spleen, and the tonsils.
Classic Hodgkin lymphoma affects males and females equally, and is often diagnosed between the ages 15-29 or over 65. However, anyone can develop this disease.
There are four different subtypes of classic Hodgkin lymphoma, which are differentiated histologically (cellular appearance under the microscope).
NSCHL is the most common subtype of Hodgkin lymphoma (classic or otherwise). It is characterised by nodular growth (abnormal cellular growth) separated by fibrous bands in the lymph nodes. This type is most commonly found in young adults, and usually involves the lymph glands in the neck and chest.
MCCHL is characterised by either diffuse (widespread, not localised to a singular area) or slight nodular growth without fibrous band formation. This type is most commonly found in older patients with Hodgkin lymphoma, and tends to affect males more than females. It is often found in the abdominal lymph nodes and the spleen.
LRCHL is characterised by lots of lymphocytes in a sample, and can be diffuse or have nodular growth. It generally has the most favourable prognosis of all Hodgkin lymphomas, and often presents in the earlier stages of the disease. However, is difficult to diagnose as it usually presents with few Reed-Sternberg cells, and is often confused with nodular lymphocyte predominant Hodgkin lymphoma (NLPHL).
LDHCL is the least common form of Hodgkin lymphoma (classic or otherwise). It is characterised by a diffuse growth pattern and lack of lymphocytes in a sample. It is commonly found in patients infected with HIV (human immunodeficiency virus) or EBV (Epstein-Barr virus), and usually occurs in bone marrow. This subtype is often confused with non-Hodgkin anaplastic large-cell lymphoma.
If Hodgkin lymphoma is detected, it will be staged and graded based on size, metastasis (whether the cancer has spread to other parts of the body) and how the cancer cells look under the microscope. Staging and grading helps your doctors determine the best treatment for you.
Cancers can be staged using the TNM staging system:
This system can also be used in combination with a numerical value, from stage 0-IV:
Cancers can also be graded based on the rate of growth and how likely they are to spread:
Once your tumour has been staged and graded, your doctor may recommend genetic testing, which analyses your tumour DNA and can help determine which treatment has the greatest chance of success. They will then discuss the most appropriate treatment option for you.
Treatment is dependent on several factors, including age, stage of disease and overall health. The types of treatments generally don’t vary between adults and children.
Treatment options for patients with classic Hodgkin lymphoma may include:
For more information on the treatment options, please refer to the Rare Cancers Australia Treatment Options page.
While the exact cause of Hodgkin lymphoma remains unknown, the following factors might increase the risk of a person developing this type of cancer.
Not everyone with these risk factors will develop the disease, and some people who have the disease may have none of these risk factors. See your general practitioner (GP) if you are concerned.
Hodgkin lymphoma can appear asymptomatic, or with a vague set of symptoms. Some of these symptoms include:
Not everyone with the symptoms above will have cancer, but see your GP if you are concerned.
If your doctor suspects you have Hodgkin lymphoma, they will order a range of diagnostic tests to confirm the diagnosis, and refer you to a specialist for treatment.
Your doctor will collect your overall medical history, as well as your current symptoms. Following this, they may examine your body to check for any abnormalities.
Your doctor will recommend a blood test for check for signs of Hodgkin lymphoma and determine overall health. The most common test is a full blood count, which will analyse the levels of red blood cells, white blood cells and platelets in the blood. Low counts in any of these categories could be indicative of disease.
The doctor will take images of your body using magnetic resonance imaging (MRI), a computed tomography scan (CT scan), ultrasound, and/or positron emission tomography (PET scan), to check for signs of tumours and/or metastasis.
Once the location of the cancer has been identified, the doctor will perform a biopsy to remove a section of tissue using a needle. In most cases, this may be done by either an excision biopsy (where the lymph node is completely or partially removed), a fine needle biopsy (a fine needle is inserted into the lymph node to remove a sample), or a core needle biopsy (where a bigger needle is inserted into the lymph node to remove a sample). Both of these procedures are often performed as a day surgery. In rare cases, a bone marrow biopsy may be performed to see if it contains any cancerous cells. This process involves inserting the needle into the hipbone (or the breastbone in some cases) to remove samples of solid and liquid bone marrow. These samples will then be analysed for cancer cells.
While it is not possible to predict the exact course of the disease, your doctor may be able to give you a general idea based on the rate and depth of tumour growth, susceptibility to treatment, age, overall fitness, and medical history. Generally, early-stage Hodgkin lymphomas have a better prognosis and survival rates. However, if the cancer is advanced and has spread, the prognosis may not be as good and there may be a higher risk of cancer recurrence. It is very important to discuss your individual circumstances with your doctor to better understand your prognosis.
Some references are to overseas websites. There may be references to drugs and clinical trials that are not available here in Australia.
Page last updated: 28/02/2022