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Cook Children's Hematology and Oncology
Hematology and Oncology - We do it all for kids.

Leukemia and lymphomaCook Children's

and lymphoma

Every year, more than 10,000 children are diagnosed with cancer. Of those, nearly one in three cases are a form of leukemia, making it the most common childhood cancer. Another 1,700 children under 21 are diagnosed with lymphoma each year. At Cook Children's our goal is to reduce those numbers to zero.

Our highly respected team of pediatric hematologists and oncologists have extensive expertise in treating childhood leukemia and lymphoma, including:

The pediatric oncologists and hematologists at Cook Children's are actively involved in research to find treat and ultimately bring an end to leukemia and lymphoma.


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What is leukemia?

Genetic risk factors are those that are part of our DNA. DNA is the substance that carries our genes, the instructions for nearly everything our cells do. Learn all about genetics.

Leukemia can be either fast growing (acute), or slower growing (chronic). Almost all leukemia in children is acute.

There are two main types of acute leukemia:

Chronic myeloid leukemia (CML) is rare in children but the incidence increases with age and is more commonly seen in teenagers and young adults.  CML arises in bone marrow from myeloid cells.

Who gets leukemia?

While we don't know the exact cause of most leukemia cases, during the past few years scientists have made great progress in learning how certain changes in DNA can cause bone marrow stem cells to develop into leukemia.

Children with certain genetic conditions such as Li-Fraumeni syndrome, Down syndrome, Klinefelter syndrome and others have an increased risk of leukemia. Other genetic diseases that cause children to be born with an abnormal immune system may also increase their risk of getting leukemia.

Though some genetic factors increase the risk of childhood leukemia, most cases of leukemia are not linked to any known genetic causes. There may also be environmental factors that contribute to childhood leukemia. These may include:


What are the symptoms of leukemia?

The symptoms of leukemia are not always obvious. If you notice the following symptoms in your child it is wise to talk with your pediatrician about them:

Testing and diagnosis

Please bring your child's medical records to your appointment. We will create a complete medical history of your child including any past illnesses, environmental and genetic risk factors, what symptoms your child has had, and how long. Once the history has been taken, the doctor will determine which tests your child may need. Tests may include:

Leukemia treatment

Treatment will depend on your child's diagnosis, and is different for every patient. As part of the hematology and oncology team, you will be included in choosing the course of care that is right for your child. Treatment may include one or a combination of:


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What is lymphoma?

Lymphoma is actually the name for many types of lymphatic cancers. Every year, nearly 2,200 children in the U.S. are diagnosed with a type of lymphoma cancer. These cancers start in the lymphocyte cells of the immune system and most often affect the lymph nodes and other lymph tissues like the tonsils or thymus. They can affect bone marrow and other organs. There are two main types of lymphoma:

What are the symptoms of lymphoma?

The most common symptoms are:

Testing and diagnostics

If your pediatrician suspects that your child has lymphoma or if your child has been diagnosed and you are seeking a second opinion, the team at Cook Children's is here and ready to put their expertise to work for you. Tests are determined by your child's symptoms and additional tests may be performed to assure the most accurate diagnosis for your child.

The tests offered at Cook Children's include:

Lymphoma treatment

Just as no two children are alike, no two cancers are exactly alike either. Once the results and diagnosis are in, the hematology and oncology team will create a personalized plan for your child. Depending on the diagnosis and stage of your child's cancer, that plan may include one or a combination of the following treatments:

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We are here to help.

If your child has been diagnosed, you probably have lots of questions. We can help. For information on support, research clinical trials, and resources, click here. If you would like to schedule an appointment, refer a patient or speak to our staff, please call our offices at 682-885-4007.


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