OverviewKey FactsCausesTypesSymptomsRisk factorsDiagnosisCelebs affectedPreventionSpecialist to visitTreatmentLiving withHome-careComplicationsAlternatives therapiesFAQsReferences
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Blood cancer

Blood cancer

Also known as leukemia

Overview

Blood cancer, also known as leukemia, is a condition in which there is an uncontrolled growth and multiplication of blood cells in the bone marrow and lymph nodes. Although blood cancer can affect people in any age group, for various subtypes of blood cancers, there is a tendency to occur more commonly in a particular age group. For example, acute lymphocytic leukemia, a type of blood cancer, is common in children.

The exact cause of blood cancer has not been identified yet. It is believed to occur when the blood and bone marrow cells undergo genetic mutations. Blood cancer can be acute (onset is sudden and more severe) or chronic (develop slowly over a long time and less aggressive) based on the duration of symptoms or it can be lymphocytic or myelogenous based on the type of cells affected. 

Acute blood cancer may cause symptoms like chronic fatigue, recurrent infections, unintentional weight loss, etc. On the other hand, chronic blood cancer may not show any symptoms initially and symptoms may appear as the condition progresses.

Tests such as blood smear examination and bone marrow aspiration are some of the common diagnostic tests used to detect blood cancer. There are various treatment options available that can improve the life of the patient. Treatment modalities such as chemotherapy, immunotherapy, and stem cell transplant are known to help slow the progression of the disease.

Key Facts

Usually seen in
  • Children below 15 years of age (ALL)
  • Individuals between 40 to 60 years of age (AML)
  • Individuals above 55 years of age (CLL)
  • Individuals above 65 years of age (CML)
Gender affected
  • Both men and women but more common in men
Body part(s) involved
  • Blood
  • Spleen
  • Brain
Prevalence
  • Worldwide: 5.185 Lakh (2017)
Mimicking Conditions
  • Aplastic anemia
  • Agranulocytosis
  • Infectious mononucleosis
  • Bone marrow failure
  • Systemic lupus erythematosus
  • Bleeding disorders
  • Autoimmune thrombocytopenic purpura
  • Leukemoid reaction to infection
  • Viral induced cytopenia, lymphadenopathy and organomegaly
  • Drug induced cytopenias
  • Myelodysplastic syndromes
  • Benign cancer conditions
Treatment
Specialists to consult
  • Hematologist
  • Hemato oncologist
  • Medical oncologist
  • Pediatric oncologist
  • Bone marrow transplant specialist

Causes Of Blood Cancer

Blood cancer is cancer that affects the bone marrow and blood cells. It starts when the DNA of a single cell in the bone marrow gets changed (mutation) and as a result of that, can’t develop, multiply and function normally. This rapid, out-of-control growth of abnormal cells takes place in the bone marrow and lymph nodes of the body. These abnormal cells then spill into the bloodstream.

 

Also, abnormal and excessive production of the white blood cells or leukocytes causes overcrowding and clumping in the blood vessels. These abnormal cells also reduce the count of other normal blood cells, such as red blood cells and platelets. The white blood cells are responsible for fighting off infections and keeping the body’s immune system healthy. With blood cancer, the abnormal white blood cells are unable to function properly, and thus the body becomes susceptible to infections.

 

The exact cause of why blood cancer occurs is not yet identified. It is thought to occur when the blood cells undergo genetic mutations and start behaving abnormally.

Types Of Blood Cancer

Based on whether it is an acute or chronic condition and the type of cells affected, blood cancer is divided into the following four types: 

1. Acute lymphocytic leukemia (ALL)

This is the most common type of blood cancer that affects children. It can affect adults too. Acute lymphocytic leukemia occurs when the bone marrow produces an abnormal amount of white blood cells or leukocytes. This blood cancer can worsen very rapidly.

2. Acute myelogenous leukemia (AML)

This is the most common type of acute blood cancer. It is more common in adults (those between 40-60 years of age) and in men compared with women. In this type of blood cancer, the bone marrow produces an abnormal amount of immature white cells called myeloid blast cells that later divide into abnormal RBCs, WBCs, or platelets.


3. Chronic lymphocytic leukemia (CLL)

This type of cancer is most commonly seen in people above the age of 55. Children and adolescents are rarely affected by this type. It is more common in men than women and especially in white men. This is a slowly progressive cancer where the bone marrow produces an abnormal amount of white blood cells over a period of time. CLL is the most common chronic adult leukemia.


4. Chronic myelogenous leukemia (CML)

This is a slowly progressive type of cancer that often does not cause many symptoms. This blood cancer is more common in older adults (most common in those over 65 years of age) and in men. It rarely occurs in children. A person with CML may have few or no symptoms for months or years before entering a phase in which the blood cancer cells grow more quickly. It may be detected during a routine examination. In this type, the body continues to produce abnormal myeloid cells.


There are other rare types of blood cancers such as hairy cell leukemia, multiple myeloma, myelomonocytic leukemia, granular lymphocytic leukemia, etc.

Symptoms Of Blood Cancer

Certain chronic blood cancers may not cause any noticeable symptoms at first, and symptoms may appear as the condition progresses. Acute types of blood cancer can cause aggressive symptoms such as: 

  • Recurrent fevers

  • Recurrent infections

  • Enlarged lymph nodes

  • Joint pains

  • Unintentional weight loss

  • Fatigue and tiredness

  • Abdominal pain due to spleen enlargement

  • Easy bruising and bleeding

  • Nosebleeds and bleeding gums

  • Tiny red spots in skin (called petechiae)

  • Purplish patches in the skin

  • Breathlessness

  • Confusions

  • Headaches

Risk Factors For Blood Cancer

Certain factors can increase the risk of a person developing blood cancer. These include:

1. Family history

There is a higher risk of developing blood cancer if a close family member has suffered from blood cancer. This is particularly true for chronic lymphoid leukemia, where there is a threefold to fourfold increased risk of getting the disease if a first-degree relative such as mother, uncle or brother has it.


2. Smoking

Smoking tobacco products and cigarettes increase the risk of blood cancer. 20% of all acute myeloid leukemia cases are linked to smoking.


3. Chemotherapy and radiation

Exposure to chemotherapy or radiation can increase the risk of developing blood cancer in later life.

 
4. Genetic syndromes

Down’s syndrome, Fanconi’s anemia, Li Fraumeni syndrome, etc., are diseases caused due to genetic abnormalities and have been associated with a higher risk of blood cancer.


5. Viral infections

Exposure to certain viruses such as the Epstein Barr virus, human T-cell leukemia virus, etc., can increase the chances of blood cancer.


6. Exposure to carcinogens

Certain chemicals such as benzene are known carcinogens which increase the risk of blood cancer.

Did you know?
Some cancers can be prevented by vaccination. There are currently no vaccines that can prevent all cancers. However, vaccines against some viruses have proven extremely effective, thereby providing a certain degree of protection against cancers caused by these viruses. Here’s more on the cancers that can be prevented with vaccination.
Did you know?

Diagnosis Of Blood Cancer

The doctor usually performs a detailed physical examination and notes the history of symptoms. 

Laboratory tests, bone marrow studies, and imaging studies are useful in diagnosing and identifying the subtype of blood cancer.

1. Physical examination

Your doctor will look for physical signs of blood cancer such as pale skin from anemia, swelling of your lymph nodes, and enlargement of your liver and spleen.


2. Laboratory tests

  • Flow cytometry aids in the detection of antigens present on or inside the cells based on their specific characteristics. It also helps in monitoring the recurrence of the disease, assessing the extent of cancer, and checking the efficacy of ongoing treatment.

  • Cytochemistry helps in the diagnosis of different types of acute blood cancers with the use of cytochemical stains.
  • Complete blood count (CBC) is required to study the quantities and morphology of the different blood cells. 

  • Peripheral smear examination is necessary to evaluate the blood cells in greater detail.

  • Supportive tests like coagulation profile, kidney function test, liver function test, etc., may be essential to evaluate the overall health status.


3. Bone marrow studies & biopsy

  • Bone marrow biopsy is a procedure in which a needle is used to withdraw a sample of the cancerous cells or tissue from the bone marrow. It uses the immunohistochemistry technique which helps in the diagnosis of abnormal cells such as those found in cancerous tumors or tumor markers.
  • Bone marrow aspiration is a procedure in which a sample is drawn from the fluid portion in the bone marrow with the help of a fine needle. It uses the cytochemistry technique to check cancerous cells.
  • Lymph node FNAC & biopsy is used to examine lesions or lumps inside the body observed by touch or during a scan to detect tumors in different parts of the body.


4. Imaging studies

  • A PET CT scan (whole body) may be performed to check for signs of blood cancer in the body.
  • CT Scan not only helps to check for the presence of cancerous cells but also plays a vital role in the treatment of blood cancer such as bone marrow transplant.
  • Your doctor may order a chest X-ray or magnetic resonance imaging (MRI) scan if you have symptoms that indicate a complication of leukemia.

5. Lumbar puncture

A lumbar puncture (also called a spinal tap) may be ordered to see if cancer had spread to the spinal fluid surrounding the brain and spinal cord.

Celebs affected

Rishi Kapoor
Famous Bollywood actor Rishi Kapoor was diagnosed with blood cancer.
Jill Clayburgh
Award-winning actress Jill Clayburgh battled chronic myelocytic leukemia for 20 years.

Prevention Of Blood Cancer


Avoiding exposure to known risk factors such as benzene, radiation, smoking, etc., may reduce the chances of developing blood cancer.


Although cancer cannot be prevented, there are some simple and effective lifestyle changes that you can make now to ward off the cancer risk. Want to know how to reduce cancer risk? 

Specialist To Visit

If you suspect that you may have blood cancer or suffer from symptoms like bleeding easily, chronic fatigue, unintentional weight loss, and recurrent fever or infections, it is essential to seek expert medical advice from a team of: 

  • Hematologist

  • Hemato-oncologist

  • Medical oncologist

  • Pediatric oncologist 

  • Bone marrow transplant specialist

Did you know the Philadelphia chromosome?
The Philadelphia chromosome, named for the city in which it was discovered in 1960, is a marker in almost all cases of CML and some cases of ALL. The discovery of the Philadelphia chromosome was a game changer in treatment of leukaemia. Genetically targeted treatments were based on this. These targeted treatments kill unhealthy cells more precisely and leave healthy cells undamaged. Don’t ignore any symptoms and get tested from a doctor.
Did you know the Philadelphia chromosome?

Treatment Of Blood Cancer

Treatment of blood cancer depends on the type of disease and the patient’s overall health condition. Majorly, the treatment approaches are as follows: 

1. Chemotherapy

Chemotherapy medicines are the mainstay of treatment used to kill cancer cells. Chemotherapy agents are either given as an intravenous drip into a vein or a central line or given in shots under the skin (subcutaneously) or as oral medications on a regular basis or in a pattern of fixed chemotherapy cycles. In chemotherapy cycles, a certain number of days of treatment are followed by days of rest to allow the body to recover. The chemicals kill leukemia cells or stop them from dividing. Often, a combination of chemotherapy agents is used to treat cancer. 

The length of time for treatment can vary by regimen ranging from six months to indefinite treatment. These include drugs such as:


2. Targeted therapy

With targeted therapy, drugs are given against a cancer cell-specific target. These targets of drugs are generally not present in normal dividing cells of our body. In this way, adverse effects of drug treatment on normal cells can be avoided. Examples of targeted therapy include:

These therapies are generally expensive but more specific in their action.


3. Immunotherapy

As the name suggests, immunotherapy works by helping the immune system work to fight cancer cells. This therapy uses substances that activate the body's immune system to work against the cancer cells. Common examples are:


4. Radiation therapy

This therapy uses radiation (high-energy rays similar to X-rays) to kill the cancer cells. This treatment uses strong beams of energy to kill the focus present in the body forming cancer cells (lymph nodes) blood cancer cells or stopping them from growing. Radiation is directed to exact sites in your body where there is a collection of cancer cells or can be given over your whole body as part of a hematopoietic cell transplant.

 

This therapy can also be used along with other treatment modalities such as chemotherapy and surgery. 


5. Stem cell transplant

Also known as hematopoietic stem cell transplant or bone marrow transplant, this procedure replaces the cancerous blood-forming cells with new, healthy hematopoietic cells. These healthy cells are taken from the patient itself (before exposure to chemotherapy or radiation therapy) or from a donor’s blood or bone marrow and are infused into the patient's blood. Healthy hematopoietic cells grow and multiply forming new bone marrow and blood cells that develop into all the different types of cells your body needs (red blood cells, white blood cells, and platelets). 


6. Supportive care

Supportive care is required for patients to help stimulate the production of blood cells, combat infections, and manage side effects such as nausea and vomiting. 

  • Antiemetic drugs such as ondansetron and palonosetron provide relief from nausea and vomiting.  

  • Recombinant human erythropoietin alpha preparations help produce red blood cells and help treat anemia due to blood cancer or post-chemotherapy.

  • Various antibiotics and antiviral medications are used to prevent and treat infections.

7. Chimeric antigen receptor (CAR) T-cell treatment

This is a new form of therapy where the patient’s own T-lymphocyte cells are harvested and engineered in the laboratory to make them capable of fighting the blood cancer cells. These cells are then reinserted into the body.


Note: A treatment plan will be developed specifically for you. Several of the treatment methods described above will be a part of your treatment plan. Your treatment depends on your age, overall health, type of blood cancer and other unique features of the blood cancer, response to initial treatment, and many other factors. Your doctor (oncologist) will determine a treatment plan they think will be most successful for you.

Living With Blood Cancer

Most people who are diagnosed with blood cancer tend to enjoy a healthy and long life after being treated successfully. Thanks to the recent advances in treatment, the chances of survival for blood cancer are fairly improving. Although getting detected with cancer can impact the emotional health of both the patient and their families, with early diagnosis and effective treatment, the patient can lead a good life. 

 

As blood transfusions, chemotherapy, and their side effects become part and parcel of life, several lifestyle changes are essential to keep fatigue and infections at bay. Anxiety can be overwhelming at times, and initially many people feel a sense of loss of control and uncertainty about the future. It is important that you talk about how you feel with someone you trust or feel comfortable with. This might be a friend or relative or it might be your doctor or nurse. Counselling and antidepressant drugs can also be very useful for some people.


Here are a few tips that may help blood cancer patients to stay happy and positive:


1. Learn about your diagnosis

Don’t be afraid to ask your healthcare team about anything you don’t understand. It is best to ask your doctor about your health and the condition rather than search online or depend on other people for help.


2. Join a support group

Staying positive during cancer treatment can be a lot easier if you have other people cheering you on. A support group can keep you cheered up since the other participants will have their own insights into cancer treatment. You can even find inspiration from the other members, or strategies for coping with pain or other side effects of treatment.


3. Surround yourself with supporters

When you’re feeling low, one of your friends or family members can provide some much-needed encouragement. When you’re feeling distressed, a trained mental health counselor can be of great help.


4. Pursue a passion or hobby

Engage yourself in the hobbies which have given you pleasure in the past. It could be reading, writing, dancing, travelling, etc. 


5. Make sleep a priority

Sleep can be elusive when you’re feeling anxious or depressed, or even just exhausted from your cancer treatment. But a lack of sleep can make you feel even more anxious or despairing. You’re more likely to feel positive if you’re well rested.

Home-care For Blood Cancer

Patients with blood cancer suffer from chronic fatigue and are at risk of getting recurrent infections. Also, the chemotherapy sessions bring about various side effects. There are a few things you can do to care for yourself or a loved one suffering from blood cancer.

  • Eat fresh home-cooked meals and drink plenty of water or energy drinks daily.

  • Embrace the side effects of chemotherapy, like loss of hair. Counselling and connecting with other people who are going through the same can help with the acceptance.

  • Nausea and vomiting due to chemotherapy can be managed with medications or home remedies like sucking on peppermint lozenges.

  • Infections must be kept at bay. Follow good hand hygiene. Avoid crowded places and unhygienic places. Wear a surgical mask when visiting the hospital.

  • Engage in light physical activity as it will help boost energy levels and help with symptoms of chronic fatigue.

Did you know?
September 22 is Chronic Myeloid Leukemia (CML) Day. 9/22 represents the genetic change of chromosomes 9 and 22 that causes the disease. The hidden cancer cells are a reason why leukemia comes back or relapses. Cancer can be treated effectively if diagnosed early. Know the symptoms of cancer.
Did you know?

Complications Of Blood Cancer

In the terminal stages, the patient sleeps through most of the day, has reduced appetite, extreme muscle wasting and feeble heartbeat. 

It may also cause other complications such as: 

  • Recurrent and serious bacterial or fungal infections.

  • Tumor lysis syndrome is a side effect of chemotherapy where the tumor cells die quickly and result in dangerously high levels of metabolites, harming the kidneys.

  • Disseminated intravascular coagulation is a condition in which the blood clots abnormally and leads to thrombosis or hemorrhage.

  •  Blood cancer survivors are at a higher risk of getting other types of cancers as well.

Alternative Therapies Of Blood Cancer

Alternative therapies can be used to provide symptomatic relief for patients with blood cancer.

1. Yoga and exercise

Yoga and exercise can help boost energy levels and combat chronic fatigue. Breathing exercises can help with relaxation. It can also induce feelings of positivity and help deal with the diagnosis.

2. Massage

Foot and body massages can help with relaxation and provide symptomatic relief.


3. Diet

Taking a balanced diet rich in fresh fruits, vegetables, certain herbs, and spices can boost energy levels and help with fatigue. Patients with blood cancer must take care to eat well and on time regularly. Do not skip any meals as it may lead to increased fatigue levels. Always stay hydrated by drinking plenty of water and fresh fruit juices. Avoid eating spicy, unhygienic, or raw, uncooked food as it may cause gastrointestinal upset.


According to the National Cancer Institute USA, about one-third of cancer deaths are related to poor dietary choices. You can do your bit to prevent cancer by adding fruits that have cancer-fighting and preventing abilities. These include apples, kiwis, oranges, and many more.

4. Aromatherapy

Aromatherapy is the use of certain scents to induce relaxation of the mind and body. It promotes a feeling of calmness and positivity.


5. Acupressure and acupuncture

Acupressure and acupuncture techniques also help combat pain, fatigue, and other symptoms.


6. Meditation

Meditation techniques like focused breathing and positive imagination help deal with stress and anxiety post diagnosis. It helps increase mental strength and willpower, which is essential to fight such grave diseases.

Frequently Asked Questions

References

  1. Lyengar V, Shimanovsky A. Leukemia. StatPearls Publishing; 2021 Jan. External Link
  2. Terwilliger T, Abdul-Hay M. Acute lymphoblastic leukemia: a comprehensive review and 2017 update. Blood Cancer J. 2017 Jun 30;7(6):e577. External Link
  3. K Lechner et al. Treatment of acute leukemia. Annals of Oncology. Volume 10, Supplement 6, S45-S52, January 1999. External Link
  4. Jennifer Goy et al. The clinical and diagnostic pathway for adults with acute leukemia. BCMJ, vol. 59 , No. 1 , January February 2017 , Pages 22-28 Clinical Articles. External Link
  5. M Mohammadian et al. A study on the incidence and mortality of leukemia and their association with the human development index (HDI) worldwide in 2012. World Cancer Research Journal. WCRJ 2018; 5 (2): e1080. External Link
  6. Wesa KM, Cassileth BR. Is there a role for complementary therapy in the management of leukemia? Expert Rev Anticancer Ther. 2009 Sep;9(9):1241-9. External Link
  7. Dong Y, Shi O, Zeng Q, et al. Leukemia incidence trends at the global, regional, and national level between 1990 and 2017. Exp Hematol Oncol. 2020;9:14. External Link
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