Types of

             lymphoma

There are over 60 different subtypes of lymphoma, which are split into two main groups– Hodgkin lymphoma and Non-Hodgkin lymphoma.

Lymphomas can also be divided into high-grade (fast growing) or low-grade (slow growing) types. Most young people have high-grade lymphomas. This may sound worrying but high-grade lymphomas are more likely to go into long-term remission than low-grade lymphomas, which tend to relapse.

hodgkin lymphoma (HL)

Hodgkin lymphoma is much more common than Non-Hodgkin lymphoma in young people.

 

Around 2,100 people are diagnosed with Hodgkin lymphoma each year in the UK – more than five a day. The risk of getting Hodgkin lymphoma is similar for people of all ethnic backgrounds. Hodgkin lymphoma can occur at any age, although most people diagnosed are between the ages of 15 and 34, or over 60.

 

Hodgkin lymphoma develops when a lymphocyte (a type of white blood cell) becomes out of control. There are 2 types – B lymphocytes (B cells) and T lymphocytes  (T cells). These abnormal cells are called Reed–Sternberg cells, Non- Hodgkin lymphomas do not contain this type of cell.

It's important for doctors to be able to tell the difference between Hodgkin and non-Hodgkin lymphomas. They are two different diseases and the treatment for them is not the same.

non-hodgkin lymphoma (NHL)

Any other lymphoma without these cells is called a non-Hodgkin lymphoma (NHL). As with Hodgkin lymphoma - lymphoma occurs when a lymphocyte (a type of white blood cell) becomes out of control. There are 2 types – B lymphocytes (B cells) and T lymphocytes (T cells).  The majority of NHL is B cells.

 

There are lots of different types of NHL. To make things clearer, doctors put non-Hodgkin lymphomas into two groups depending on how fast they grow and spread.

Low-grade NHL: this usually develops slowly and is said to be a more ‘chronic’ disease. This means that people may not need treatment for many years and will be on ‘watch and wait’.

 

High-grade NHL: this refers to lymphoma that usually grows faster  and is more aggressive than others. People with high-grade lymphomas are often more likely to be treated successfully and stay in remission than people with low-grade lymphomas.

For further information on the types of lymphoma – please visit our mates Lymphoma Action

Lymphoma can cause many different symptoms, depending on which type of lymphoma it is and where it develops in the body - head to our signs & symptoms page to get clued up!

lymphoma staging 

The stages of lymphoma tell you about the number and places in the body that are affected by lymphoma. The stages are numbered 1 - 4 which can be simplified into early or advanced stage and knowing the stage helps your doctor to decide what treatment you need. Doctors look at whether the lymphoma is on one side, or both sides of the diaphragm. And whether it is inside or outside of the lymphatic system. They will measure the size of the lymphoma. They do this by carrying out various tests, such as a CT or PET scan. 

 

stage 1 

Only one group of lymph nodes affected anywhere in the body. Stage 1 means that there is lymphoma in only one group of lymph nodes (glands). These can be anywhere in the body, either above or below the diaphragm (the breathing sheet of muscle separating your chest from your tummy). Doctors use the diaphragm as a guide because it is about halfway down the body.

stage 1E

Stage 1E means that the lymphoma started in a single body organ outside the lymphatic system and is only in that organ. This is called extranodal lymphoma. ​Extranodal sites include the lungs, liver, bone marrow, kidneys, brain and spinal cord. Your doctor may use the letter E after the stage number if you have lymphoma outside of the lymphatic system.

Stage 2

Two or more groups of lymph nodes affected, all on the same side of the diaphragm (either above or below). Stage 2 means there is lymphoma in two or more groups of lymph nodes. These can be anywhere in the body, but they must all be on the same side of the diaphragm.

Stage 2E

Stage 2E means the lymphoma started in one body organ (not in the lymphatic system) and is also in one or more groups of lymph nodes - these must all be on the same side of the diaphragm.

Stage 3

This means that you have lymphoma on both sides of the diaphragm.

Stage 4

Stage 4 is the most advanced stage of lymphoma. Stage 4 means that lymphoma started in the lymph nodes and has spread to at least one body organ outside the lymphatic system for example, the lungs, liver, kidney bone marrow or bones.

b symptoms

Your doctor will add the letter B to your stage (for example, stage 1B) if you have any of the following symptoms:

  • unintentional weight loss

  • drenching night sweats

  • high temperatures that come and go, often at night

If you don't have any of these symptoms your doctor will add the letter A to your stage (for example, stage 2A).

People with B symptoms may need more treatment than those without them.

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