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Writer's pictureClint McManus

What Is Blood Cancer

Updated: Oct 4

3d model of cancer cells under microscope

Blood cancer, also known as hematologic cancer, starts in the blood-forming tissues, such as the bone marrow or the cells of the immune system. These cancers affect the production and function of your blood cells. The three main types of blood cancer are leukemia, lymphoma, and myeloma. Understanding these diseases, their symptoms, and available treatments can help manage and overcome them.



diagram of bone cross section and identified red blood cells, white blood cells and other cells in bone marrow

stages of cancer growth image diagram labeled

Types of Blood Cancer


Leukemia

Leukemia is a cancer of the bone marrow and blood. It leads to the production of many abnormal white blood cells that don't function properly. Leukemia can be acute (fast-growing) or chronic (slow-growing), and it is classified into four main types:

Acute Lymphocytic Leukemia (ALL)

Acute Myeloid Leukemia (AML)

Chronic Lymphocytic Leukemia (CLL)

 Chronic Myeloid Leukemia (CML)


Lymphoma

Lymphoma affects the lymphatic system, which is part of the immune system. There are two main types of lymphoma:


Hodgkin Lymphoma: 

Characterized by the presence of Reed-Sternberg cells.


hodgkin's lymphoma microscopy image photo with scale bar

Non-Hodgkin Lymphoma: 

A diverse group of blood cancers that include many different subtypes.


non-hodgkin's lymphoma photo under microscope with scale bar


Myeloma

Myeloma, also known as multiple myeloma, is a cancer of the plasma cells. Plasma cells are a type of white blood cell found in the bone marrow. Myeloma cells prevent the average production of antibodies, weakening the immune system.


Symptoms of Blood Cancer

The symptoms of blood cancer can vary depending on the type and stage of the disease. Common symptoms include:

image of 3d model cells in body about cancer

Fatigue:

 Persistent tiredness that doesn't improve with rest.

Fever and chills:

Frequent infections due to a weakened immune system.


Unexplained weight loss:

 Significant weight loss without trying.


Bone and joint pain:

 Especially in leukemia and myeloma.


Swollen lymph nodes:

 Particularly in lymphoma.


Frequent nosebleeds or heavy menstrual periods:

 Due to abnormal blood clotting.


Bruising and bleeding:

Easily bruising or bleeding without significant injury.



Diagnosis and Treatment

Diagnosis

Diagnosing blood cancer typically involves a combination of tests:

what is cancer text 3d model of strange cells under microscope

Blood tests:

To check for abnormal levels of blood cells.


Bone marrow biopsy:

 To examine the bone marrow for abnormal cells.


Imaging tests:

 Such as CT scans, MRI, or PET scans to look for signs of cancer in other parts of the body.


Treatment

Treatment for blood cancer depends on the type, stage, and individual patient factors. Standard treatment options include:


Chemotherapy:

 Uses drugs to kill or slow the growth of cancer cells.


Radiation therapy:

Uses high-energy radiation to kill cancer cells or shrink tumors.


Stem cell transplant:

Replaces diseased bone marrow with healthy stem cells.


Targeted therapy:

Uses drugs that target specific vulnerabilities in cancer cells.


Immunotherapy:

Boosts the body's natural defenses to fight cancer.



Living with Blood Cancer

Living with blood cancer can be challenging, but there are ways to manage the disease and improve quality of life:


Regular check-ups:

To monitor the disease and adjust treatment as necessary.


Healthy lifestyle:

Including a balanced diet, regular exercise, and adequate rest.


Support networks:

Joining support groups or speaking with a counselor can provide emotional support.

3d model of inside of human body stomach with microbes inside

Conclusion

Blood cancer is a serious but treatable disease. Advances in medical research have significantly improved the prognosis for many patients. Early detection and a personalized treatment plan are vital to managing blood cancer effectively. If you or a loved one are experiencing symptoms of blood cancer, it's essential to seek medical advice promptly. With the proper support and treatment, it is possible to live a fulfilling life despite the diagnosis.



FAQ


What is blood cancer?

Blood cancer is a type of cancer that affects the production and function of blood cells. Most of these cancers start in the bone marrow, where blood is produced. Blood cancers include leukemia, lymphoma, and myeloma.


What are the main types of blood cancer?

The three main types of blood cancer are:


Leukemia:

 Cancer of the white blood cells.


Lymphoma: 

Cancer of the lymphatic system, particularly the lymph nodes.


Myeloma: 

Cancer of the plasma cells in the bone marrow.


What causes blood cancer?

The exact cause of blood cancer is unknown. Still, several factors may increase the risk, including genetic predispositions, exposure to radiation or certain chemicals, previous cancer treatments, and certain viral infections.


What are the symptoms of blood cancer?

Symptoms of blood cancer can vary but often include:

Fatigue and weakness

Frequent infections

Easy bruising or bleeding

Unexplained weight loss

Swollen lymph nodes, liver, or spleen

Bone or joint pain

Night sweats


How is blood cancer diagnosed?

Blood cancer is diagnosed through various tests, including:

Blood tests to check for abnormal levels of blood cells

 Bone marrow biopsy to examine the bone marrow

Imaging tests like CT scans or MRIs to look for signs of cancer

Lymph node biopsy to analyze lymphatic tissue


What are the treatment options for blood cancer?

Treatment options for blood cancer depend on the type and stage of cancer and may include:

Chemotherapy

Radiation therapy

Stem cell transplant

Targeted therapy

Immunotherapy

Clinical trials


Can blood cancer be cured?

Some types of blood cancer can be cured, especially if diagnosed early and treated effectively. However, the prognosis varies depending on the type and stage of the cancer, as well as the patient's overall health.


What is the survival rate for blood cancer?

The survival rate for blood cancer varies widely based on the specific type and stage of the cancer. Advances in treatment have significantly improved the prognosis for many types of blood cancer in recent years.


How can I support someone with blood cancer?

Supporting someone with blood cancer involves:

  • Providing emotional support.

  • Helping with daily tasks.

  • Accompanying them to medical appointments.

  • Encouraging them to follow their treatment plan.

Joining support groups and seeking professional counseling can also be beneficial.


Are there any lifestyle changes that can help manage blood cancer?

While lifestyle changes cannot cure blood cancer, maintaining a healthy diet, regular exercise, avoiding tobacco, and reducing stress can help improve overall health and well-being during treatment.

Consider consulting a healthcare provider or visiting reputable cancer organizations' websites for more detailed information and support.


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