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Acute lymphoblastic leukaemia





NHS Choices Syndication


Acute lymphoblastic leukaemia

'I was put in an ambulance that night… I was petrified'

When Hazel Phillips went with her mum to see her GP about an ear infection, she suspected something more serious was wrong because of her other symptoms. A blood test confirmed their worst fears: she had acute lymphoblastic leukaemia.

Seventeen years later, she is now in a successful, enjoyable job. She suffers from anxiety but tries to put the experience behind her.

“When I was 11 years old I remember having an ear infection that lasted about four weeks. I also remember feeling really tired and faint when I was running in the playground, and seeing lines around everyone.

“One evening I came home with a really bad rash on my ankles, which we thought might be German measles. I was also getting out of breath walking up stairs.

“My mum took me to the doctor after school one evening to talk about the ear infection. My GP asked me some questions, and I told her about the other things that had been happening. She looked at me and said, ‘We need to take you to hospital’.

“I had to go straight to Canterbury hospital that night to have a blood test. About two hours after the test they said, ‘You’ve got leukaemia and you need to go to the Royal Marsden Hospital’. I was put in an ambulance and taken to the Marsden that night. I was petrified.

“I was in hospital for three months. I had quite a lot of chemotherapy but was lucky – there weren’t too many adverse effects and I responded well to it.

“Some of my friends came to see me in hospital, which I found difficult. A lot of the time I couldn’t stand up straight because of the lumbar punctures I’d had, and I’d put on weight because of the steroids.

“I then had about six weeks out of hospital, followed by another two weeks of very intensive chemotherapy. For the next year I was on chemotherapy.

“I’ve been in remission ever since, but it’s not until five years after the treatment that you’re told, ‘OK, you only need to come back once a year now’.

“For the first few months I wasn’t allowed to be in contact with many people as my immune system was low and I could get infections really easily. But I had great support from my family, and the charity Make-A-Wish Foundation gave me a pony when it was all over, which was lovely.

“Afterwards, I was absolutely fine, but three years ago I started to feel the effects of it emotionally. I suffer from anxiety quite a lot and I’m having counselling at the moment.

“Now 28, I’m working as an assistant marketing manager. I recently got a promotion and I’m really enjoying it.”

Case study provided by Cancer Research UK.

Published Date
2012-07-06 12:24:47Z
Last Review Date
2012-06-15 00:00:00Z
Next Review Date
2014-06-15 00:00:00Z
Classification
Acute leukaemia,Anxiety,Blood,Blood tests,Ear infections,Leukaemia






NHS Choices Syndication


Acute lymphoblastic leukaemia

Causes of acute lymphoblastic leukaemia

Acute lymphoblastic leukaemia is caused by a DNA mutation in the stem cells causing too many white blood cells to be produced.

The white blood cells are also released from the bone marrow before they are mature and able to fight infection like fully developed white blood cells.

As the number of immature cells increases, the number of healthy red blood cells and platelets fall, and it’s this fall which causes many of the symptoms of leukaemia.

It is not known exactly what causes this DNA mutation to occur, but there are a few factors which may increase the risk of developing acute lymphoblastic leukaemia.

Risk factors

Genetic disorders

A small number of childhood acute lymphoblastic leukaemia cases are thought to be caused by related genetic disorders. For example, rates of leukaemia tend to be higher in children with Down’s syndrome.

Radiation exposure

Exposure to very high levels of radiation, either before birth or afterwards, is a known risk factor. However, it would require a significant level of radiation, such as the amount released during the nuclear reactor accident at Chernobyl.

Due to the potential risk of radiation to unborn babies, medical techniques and equipment that use radiation, such as X-rays, are rarely used on pregnant women.

Most cases of childhood leukaemia occur in children with no history of genetic disorders or exposure to radiation.

Possible environmental factors

Experts have also carried out extensive research to determine whether the following environmental factors could be a trigger for leukaemia:

  • living near a nuclear power station
  • living near a power line
  • living near a building or facility that releases electro-magnetic radiation, such as a mobile phone mast

At the moment there is no evidence to confirm that any of these environmental factors increases the risk of developing leukaemia.

Benzene

Exposure to the chemical benzene is a known risk factor for adult acute leukaemia. Benzene is found in petrol and is also used in the rubber industry. However, there are strict controls to protect people from prolonged exposure.

Benzene is also found in cigarettes, which could explain why smokers are three times more likely to develop acute leukaemia than non-smokers. People who have had chemotherapy and radiotherapy to treat earlier, unrelated cancers also have an increased risk of developing acute leukaemia.

Other risk factors

There is some evidence to show an increased risk of acute lymphoblastic leukaemia in people who:

  • are obese
  • have a weakened immune system – due to HIV or AIDS or taking immunosuppressants after an organ transplant

Published Date
2014-08-22 10:00:14Z
Last Review Date
2014-08-17 00:00:00Z
Next Review Date
2016-08-17 00:00:00Z
Classification
Acute leukaemia,Leukaemia






NHS Choices Syndication


Acute lymphoblastic leukaemia

Complications of acute lymphoblastic leukaemia

Being immunocompromised (having a weakened immune system) is a possible complication for some patients with acute leukaemia.

There are two reasons for this:

  • the lack of healthy white blood cells means that your immune system is less able to fight infection
  • many of the medicines used to treat acute leukaemia can weaken the immune system

This means that you are more vulnerable to developing an infection, and that any infection you have has an increased potential to cause serious complications.

You may be advised to take regular doses of antibiotics to prevent infections occurring. You should immediately report any possible symptoms of an infection to your GP or care team because prompt treatment may be required to prevent serious complications.

Symptoms of infection include:

  • high temperature (fever) of 38C (101.4F) or above
  • headache
  • aching muscles
  • diarrhoea
  • tiredness

Avoid contact with anyone who is known to have an infection, even if it is a type of infection that you were previously immune to, such as chickenpox or measles. This is because your previous immunity to these conditions will probably be lower.

While it is important to go outside on a regular basis, both for exercise and for your psychological wellbeing, avoid visiting crowded places and using public transport during rush hour.

Also ensure that all of your vaccinations are up-to-date. Your GP or care team will be able to advise you about this. You will be unable to have any vaccine containing activated particles of viruses of bacteria such as:

  • the mumps, measles and rubella (MMR) vaccine
  • the polio vaccine
  • the oral typhoid vaccine
  • the BCG vaccine (used to vaccinate against tuberculosis)
  • the yellow fever vaccine

Bleeding

If you have acute leukaemia, you will bleed and bruise more easily due to the low levels of platelets (clot-forming cells) in your blood. Bleeding may also be excessive when it does occur.

Bleeding can occur:

  • inside the skull (intracranial haemorrhage)
  • inside the lungs (pulmonary haemorrhage)
  • inside the stomach (gastrointestinal haemorrhage)

The symptoms of an intracranial haemorrhage include:

  • severe headache
  • stiff neck
  • vomiting
  • change in mental state, such as confusion

The most common symptoms of a pulmonary haemorrhage are:

  • coughing up blood from your nose and mouth
  • breathing difficulties
  • a bluish skin tone (cyanosis)

The two most common symptoms of a gastrointestinal haemorrhage are:

  • vomiting blood
  • passing stools (faeces) that are very dark or tar-like

All three types of haemorrhages should be regarded as medical emergencies. Dial 999 to request an ambulance if you suspect that you or your child is experiencing a haemorrhage.

Infertility

Many of the treatments that are used to treat acute leukaemia can cause infertility. Infertility is often temporary, although in some cases it may be permanent.

People who are particularly at risk of becoming infertile are those who have received high doses of chemotherapy and radiotherapy in preparation for bone marrow or stem cell transplantation.

It may be possible to guard against any risk of infertility before you begin your treatment. For example, men can have samples of their sperm stored. Similarly, women can have fertilised embryos stored, which can then be placed back into their womb following treatment.

Read more about infertility.  

Psychological effects of leukaemia

Receiving a diagnosis of leukaemia can be very distressing, particularly if it is unlikely that your condition can be cured. At first, the news may be difficult to take in.

The situation can be made worse if you are confronted with the knowledge that even though your leukaemia may not currently be causing any symptoms, it could be a serious problem in later life. Having to wait many years to see how the leukaemia develops can be immensely stressful and can trigger feelings of stress, anxiety and depression.

If you have been diagnosed with leukaemia, talking to a counsellor or psychiatrist (a doctor who specialises in treating mental health conditions) may help you to combat feelings of depression and anxiety. Antidepressants or medicines that help to reduce feelings of anxiety may also help you cope better with the condition.

You may find it useful to talk to other people who are living with leukaemia. Your GP or multidisciplinary team may be able to provide you with details of local support groups.

Another excellent resource is Macmillan Cancer Support. Their helpline number is 0808 808 00 00 and is open Monday to Friday, 9am-8pm.  

Further information

You can read more information on all aspects of living and coping with cancer at the following links:

Published Date
2014-08-22 10:01:08Z
Last Review Date
2014-08-17 00:00:00Z
Next Review Date
2016-08-17 00:00:00Z
Classification
Acute leukaemia,Bleeding,Leukaemia






NHS Choices Syndication


Acute lymphoblastic leukaemia

Diagnosing acute lymphoblastic leukaemia

The first step in diagnosing acute lymphoblastic leukaemia if for your GP to check for physical signs of the condition, such as swollen glands, and to take a blood sample.

A high number of abnormal white blood cells in the sample could indicate the presence of acute leukaemia and you will then be referred to a haematologist (a specialist in treating blood conditions).

Bone marrow biopsy

To confirm a diagnosis of acute leukaemia, the haematologist will take a small sample of your bone marrow to examine under a microscope.

The haematologist will use a local anaesthetic to numb the skin over a bone – usually the hip bone – and then use a needle to remove a sample of bone marrow. You may experience some pain once the anaesthetic wears off and some bruising and discomfort for a few days afterwards. The procedure takes around 15 minutes to complete and you shouldn’t have to stay in hospital overnight.

The bone marrow will be checked for cancerous cells and – if found – the type of acute leaukaemia will be determined at the same time.

Further tests

There are various additional tests that can be used to help reveal more information about the progress and extent of the leukaemia. They can also provide an insight into how the leukaemia should be treated. These tests are described below.

Cytogenetic testing

Cytogenetic testing involves identifying the genetic make-up of the cancerous cells. There are specific genetic variations that can occur during leukaemia, and knowing what these variations are can have an important impact on treatment.

Immunophenotyping

Immunophenotyping is a test to help identify the exact type of acute lymphoblastic leukaemia. A sample of blood, bone marrow or another type of fluid is studied.

This testing is important as the treatment needed may be slightly different for each type.

Polymerase chain reaction (PCR)

A polymerase chain reaction (PCR) test can be done on a blood sample. This is an important test to diagnose and monitor the response to treatment.

The blood test is repeated every three months for at least two years after starting treatment, then less often once remission is achieved.

Lymph node biopsy

If you have been diagnosed with acute leukaemia, further biopsies may be carried out on any enlarged lymph nodes that you have. These will be able to establish how far the leukaemia has spread.

CT scans

If you have acute leukaemia, a computerised tomography scan (CT scan) may be used to check that your organs, such as your heart and lungs, are healthy.

Chest X-ray

An X-ray may be performed to examine the chest for any swollen lymph nodes.

Lumbar puncture

If it is felt that there is a risk that acute leukaemia has spread to your nervous system, a lumbar puncture may be carried out.

A lumbar puncture is a test where a needle is used under local anaesthetic to extract a sample of cerebrospinal fluid (fluid that surrounds and protects your spine) from your back. The fluid is tested to determine whether leukaemia has reached your nervous system.

Published Date
2014-08-22 10:00:31Z
Last Review Date
2014-08-17 00:00:00Z
Next Review Date
2016-08-17 00:00:00Z
Classification
Acute leukaemia,Blood specialists,Blood tests,Bone marrow biopsy,CT scan,Leukaemia,Lumbar puncture






NHS Choices Syndication


Acute lymphoblastic leukaemia

Introduction

Leukaemia is cancer of the white blood cells. Acute leukaemia means the condition progresses rapidly and aggressively and requires immediate treatment.

Acute leukaemia is classified according to the type of white blood cells affected by cancer. There are two main types:

  • lymphocytes, which are mostly used to fight viral infections
  • neutrophils, which perform several functions, such as fighting bacterial infections, defending the body against parasites and preventing the spread of tissue damage 

These pages focus on acute lymphoblastic leukaemia, which is cancer of the lymphocytes. The following other types of leukaemia are covered elsewhere:

Warning signs of acute leukaemia

Symptoms of acute lymphoblastic leukaemia usually begin slowly before rapidly getting severe as the number of immature white blood cells in your blood increases (see below for an explanation of this). Symptoms include:

  • pale skin
  • tiredness
  • breathlessness
  • having repeated infections over a short space of time
  • unusual and frequent bleeding

Read more about the symptoms of acute lymphoblastic leukaemia.

What happens in acute leukaemia

All of the blood cells in the body are produced by bone marrow – a spongy material found inside bones.

Bone marrow produces specialised cells called stem cells which have the ability to develop into three important types of blood cells:

  • red blood cells, which carry oxygen around the body
  • white blood cells, which help fight infection
  • platelets, which help stop bleeding

Usually the bone marrow produces stem cells which are allowed to fully develop before being released into the blood. But in acute leukaemia, bone marrow starts releasing large numbers of immature white blood cells known as blast cells.

As the number of blast cells increases there is a drop in the number of red blood cells and platelet cells. This drop causes the symptoms of anaemia, such as tiredness, and increases the risk of excessive bleeding.

Also, blast cells are less effective than mature white blood cells at fighting bacteria and viruses, making you more vulnerable to infection.

How common is acute lymphoblastic leukaemia?

Around 8,600 people are diagnosed with leukaemia each year in the UK. In 2011, 654 people were diagnosed with acute lymphoblastic leukaemia.

Despite being uncommon overall, acute lymphoblastic leukaemia is the most common type of cancer to affect children. Approximately one in every 2,000 children will develop it. About 85% of cases occur in children aged under 15, mostly between the ages of two and five years old.

The cause or causes of acute leukaemia are uncertain, but known risk factors include:

  • exposure to high levels of radiation
  • exposure to benzene, a chemical used in manufacturing that is also found in cigarettes

Read more information about the causes of acute lymphoblastic leukaemia.

Outlook

The outlook for children with acute lymphoblastic leukaemia is usually good. Almost all children will achieve a remission (a period of time where they are free from symptoms) from their symptoms, and 85% will be completely cured.

The outlook for adults with acute lymphoblastic leukaemia is less promising as only 40% of people with the condition will be completely cured.

Treatments for acute lymphoblastic leukaemia usually involve a combination of chemotherapy and radiotherapy. In some cases, a bone marrow transplant may also be needed to achieve a cure.

Read more about the treatment of acute lymphoblastic leukaemia.

If a cure is not possible, there is a risk that the lack of healthy blood cells can make the person extremely vulnerable to life-threatening infections (due to the lack of white blood cells) or uncontrolled and serious bleeding (due to the lack of platelets).

Published Date
2014-08-22 09:59:48Z
Last Review Date
2014-08-17 00:00:00Z
Next Review Date
2016-08-17 00:00:00Z
Classification
Acute leukaemia,Leukaemia






NHS Choices Syndication


Acute lymphoblastic leukaemia

See what the doctor sees with Map of Medicine

The Map of Medicine is used by doctors throughout the NHS to determine the best treatment options for their patients. NHS Choices offers everyone in England exclusive and free access to this cutting-edge internet resource, which lets you see exactly what your doctor sees.

The information in the Map has been approved by the UK’s leading clinical experts, is based on the best available clinical evidence, and is continually updated. To take advantage of this unique resource go to:

Map of Medicine: acute leukaemia

Published Date
2012-06-18 14:41:23Z
Last Review Date
2012-06-15 00:00:00Z
Next Review Date
2014-06-15 00:00:00Z
Classification






NHS Choices Syndication


Acute lymphoblastic leukaemia

Symptoms of acute lymphoblastic leukaemia

Symptoms of acute lymphoblastic leukaemia usually begin slowly before rapidly getting severe as the number of blast cells (immature white blood cells) in your blood increases.

Most of the symptoms are caused by the lack of healthy blood cells in your blood supply.

Symptoms of acute lymphoblastic leukaemia include:

  • pale skin
  • feeling tired and breathless
  • having repeated infections over a short space of time
  • unusual and frequent bleeding, such as bleeding gums or nose bleeds
  • high temperature (fever) of 38C (100.4F) or above
  • night sweats
  • bone and joint pain
  • easily bruised skin
  • swollen lymph nodes (glands)
  • abdominal pain – caused by a swollen liver or spleen
  • unexplained weight loss 
  • a purple skin rash (purpura)

In some cases of acute lymphoblastic leukaemia, the affected cells can spread from your bloodstream into your central nervous system. This can cause a series of neurological symptoms (related to the brain and nervous system), including:

  • headaches
  • seizures (fits)
  • vomiting
  • blurred vision
  • dizziness

When to seek medical advice

If you or your child has some or even all of the symptoms listed above, it is still highly unlikely that acute leukaemia is the cause.

However, see your GP as soon as possible because any condition that causes these symptoms needs to be promptly investigated and treated.

Published Date
2014-08-22 10:00:00Z
Last Review Date
2014-08-17 00:00:00Z
Next Review Date
2016-08-17 00:00:00Z
Classification
Acute leukaemia,Leukaemia






NHS Choices Syndication


Acute lymphoblastic leukaemia

Treating acute lymphoblastic leukaemia

Treatment for acute lymphoblastic leukaemia usually begins a few days after diagnosis as it’s an aggressive condition that develops rapidly.

Stages of treatment

Treatment for acute lymphoblastic leukaemia is carried out in stages:

  • induction – the aim of the initial stage of treatment is to kill the leukaemia cells in your bone marrow, restore the balance of cells in your blood and resolve any symptoms you may have
  • consolidation – this stage aims to kill any remaining leukaemia cells in your central nervous system
  • maintenance – the final stage involves taking regular doses of chemotherapy tablets to prevent the leukaemia returning

Maintenance only seems to be effective in treating acute lymphoblastic leukaemia; it’s not usually used in the treatment of acute myeloid leukaemia.

Induction

The induction stage of treatment is carried out in hospital or in a specialist centre. This is because you will probably need to have regular blood transfusions as it’s likely that your blood will not contain enough healthy blood cells.

You will also be vulnerable to infection, so it is important that you are in a sterile environment where your health can be carefully monitored and any infection that you have can be promptly treated. You may also be prescribed antibiotics to help prevent further infection.

Chemotherapy

You will be given chemotherapy to kill the leukaemia cells in your bone marrow. Although some medications may be given as pills, you will need more than one medication given as an injection. To make things easier and avoid repeated injections, they can all be given via one flexible tube into a vein in your chest (called a central line).

Some chemotherapy medication may also be directly administered into your cerebrospinal fluid to kill any leukaemia cells that may have spread to your nervous system. This is given using a needle that is placed into your spine, in a similar way to a lumbar puncture.

Side effects that occur following chemotherapy are common. They can include:

  • nausea
  • vomiting
  • diarrhoea
  • loss of appetite
  • mouth ulcers
  • tiredness
  • skin rashes
  • infertility
  • hair loss

The side effects should resolve once treatment has finished. Your hair will usually take between three to six months to grow back.

Steroid therapy

You may also be given corticosteroid injections or tablets to help improve the effectiveness of chemotherapy.

Imatinib

If you have a type of leukaemia known as Philadelphia chromosome-positive acute lymphoblastic leukaemia, you will also be given a medicine called imatinib. Imatinib works by blocking the signals in the cancerous cells that cause them to grow and reproduce. This kills the cancerous cells.

Imatinib is taken orally (as a tablet). The side effects of imatinib are usually mild and should improve over time. They include:

  • nausea
  • vomiting
  • swelling in the face and lower legs
  • muscle cramps
  • rash
  • diarrhoea

Depending on how well you respond to treatment, the induction phase can last from two weeks to several months. In some cases, you or your child may be able to leave hospital and receive treatment on an outpatient basis if your symptoms improve.

Consolidation

Leukaemia can return if just one cancerous cell remains in your body. Therefore the aim of consolidation treatment is to ensure that any remaining leukaemia cells are killed.

Treatment involves receiving regular injections of chemotherapy medication. This is usually done on an outpatient basis, which means you will not have to stay in hospital overnight. However, you may require some short stays in hospital if your symptoms suddenly get worse or if you develop an infection.

The consolidation phase of treatment lasts several months.

Maintenance

The maintenance phase is designed to act as further insurance against the possibility of the leukaemia returning. It involves taking regular doses of chemotherapy tablets while undergoing regular check-ups to monitor how effective your treatment is proving.

The maintenance phase can often last for two years.

Other treatments

As well as chemotherapy and imatinib, other treatments are used in some circumstances. These are described below. 

Dasatinib

Dasatinib is a new type of medication used to treat Philadelphia chromosome-positive acute lymphoblastic leukaemia, when all other treatments have proved unsuccessful.

Dasatinib blocks a protein called tyrosine kinase that helps stimulate the growth of cancer cells.

Dasatinib cannot cure acute leukaemia but it can slow its growth, helping to relieve symptoms and prolong life.

The National Institute for Health and Care Excellence (NICE) has not yet made a decision about whether the NHS should provide treatment with dasatinib for people with acute lymphoblastic leukaemia. This means it will be at the discretion of your local clinical commissioning group as to whether you will be offered the drug.

Radiotherapy

Radiotherapy involves using high doses of controlled radiation to kill cancerous cells. There are two main reasons why radiotherapy is usually used to treat acute leukaemia:

  • to sometimes treat advanced cases of acute lymphoblastic leukaemia that have spread to the nervous system or brain
  • to prepare the body for a bone marrow transplant (see below)

Side effects of both types of radiotherapy include:

  • hair loss
  • nausea
  • fatigue

The side effects should pass once your course of radiotherapy has been completed. However, your skin may be very sensitive to the effects of light for several months after the treatment has finished. If this is the case, avoid sunbathing or exposure to sources of artificial light, such as sunbeds, for several months.

Many younger children treated with radiotherapy will go on to have restricted physical growth during puberty.

A small number of people develop cataracts several years after radiotherapy. Cataracts are cloudy patches in the lens (the transparent structure at the front of the eye) that can make your vision blurred or misty. Cataracts can usually be successfully treated using surgery.

Read more about cataracts and cataract surgery.

Bone marrow and stem cell transplants

If you or your child do not respond to chemotherapy, a possible alternative treatment option is bone marrow or stem cell transplantation.

Transplantations are more successful if the donor has the same tissue type as you, so the ideal donor is usually a brother or sister.

Before transplantation can take place, the person receiving the transplant will need to have aggressive high-dose chemotherapy and radiotherapy to destroy any cancerous cells in their body.

This can put a big strain on the body so transplantations are usually only successful when they are carried out in children and young people, or older people who are in good health, and when there is a suitable donor, such as a brother or sister.

Read about bone marrow transplantation for more information.

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Published Date
2014-08-22 10:00:56Z
Last Review Date
2014-08-17 00:00:00Z
Next Review Date
2016-08-17 00:00:00Z
Classification
Acute leukaemia,Alopecia,Bone marrow transplant,Cancer specialists,Chemotherapy,Clinical trials and medical research,Leukaemia,Lumbar puncture,National Institute for Health and Clinical Excellence,Radiotherapy,Social workers,Stem cell transplant,Teenagers,Tyrosine kinase inhibitors


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