Understanding childhood cancers and their treatment

By Dr. Satya Prakash Yadav
November 23, 2022, Updated on : Wed Nov 23 2022 04:44:52 GMT+0000
Understanding childhood cancers and their treatment
There are different types of childhood cancers; they differ from adult cancers in terms of their location of the origin.
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Childhood cancer is a major cause of mortality in children. It affects an estimated 400, 000 children and adolescents aged between 0 to 19 years each year. The likelihood of surviving a childhood cancer diagnosis varies across the world.


According to a 2021 WHO report, in high-income countries, about 80% of children with cancer are cured while less than 30% of these children are cured in low- or middle-income countries.


Delay in diagnosis, incorrect diagnosis or lack of access to resources for treatment, discontinuation of treatment are among several reasons for this lower survival rate. According to World Health Organisation, only 29% of low-income countries has available cancer medications for their populations.

Childhood

Representational image


Awareness of the signs and symptoms of childhood cancers is essential for early diagnosis; in India, most cases presenting to oncology centres arrive at late stages, after the cancer has spread to the body. Below are some common types of childhood cancers, their symptoms and treatment.


There are different types of childhood cancers; they differ from adult cancers in terms of their location of the origin. Adult cancers are mostly found in organs, whereas childhood cancers are found in tissues. Here are a few of the most common kinds of cancer and how they can be treated

Leukemia

It is a type of cancer that affects the body's blood-forming tissues. This includes the bone marrow and lymphatic system. It largely affects the red blood cells, white blood cells, and platelets leading to symptoms like bone and joint pain, fatigue, weakness, pale skin, bleeding or bruising, fever, weight loss, among others.


Since acute leukemias can spread quickly, they must be treated as soon as they are diagnosed. Treatment for leukaemia is determined by the type of leukemia, a patient’s age and overall health, and whether it has spread to other organs or tissues or not. Chemotherapy is the widely used to treat leukemia, in which chemicals are used to either kill or prevent leukaemia cells from multiplying. The other treatments include immunotherapy (using drugs to boost immune system to fight cancer cells), targeted therapy and radiation therapy.

Brain Tumour

This is a disease in which abnormal cells are formed in brain or spinal cord tissues of a child. Most childhood brain tumours begin from cerebellum or brain stem. Symptoms of brain tumours include headaches, nausea, vomiting, blurred or double vision, dizziness, seizures, difficulty walking or handling objects, etc.


Brain tumours in children can be cured by surgery or a biopsy. The surgery helps in reducing the size of the tumour, this is usually followed up by radiation or chemotherapy to kill or stop the remaining cancer cells (if any) from replicating or spreading.

Neuroblastoma

This type of cancer forms in the nerve cells of a developing embryo or foetus. It occurs in infants and young children and is very uncommon in children over the age of ten. This tumour commonly begins in the adrenal glands and can also form in neck, chest, abdomen, and spine causing swelling and symptoms such as bone pain and fever.


The primary treatment for neuroblastoma is chemotherapy. Chemotherapy is advised prior to surgery to shrink the tumour or can also be done after surgery to destroy the remaining cancer cells. The low-risk and intermediate-risk neuroblastoma have a good chance of being cured in comparison to the high-risk neuroblastoma.

Wilms tumour

Also known as nephroblastoma, it begins in one or, in rare cases, both kidneys and is commonly found in children aged 3 to 4 years old. It starts as a swelling or lump in the abdomen. Fever, pain, nausea, and a loss of appetite are some common symptoms of the disease.


The success rate of treatment for Wilms tumour is high when diagnosed early. The treatment may begin with surgery to remove all or part of a kidney where the tumour has been spread. The surgery is also used to confirm the diagnosis; the removed tissue is used to determine the type of tumour or whether it is cancerous or not.


Lymphomas

It begins in the cells of an immune system called lymphocytes and in lymph nodes or in other lymph tissues like tonsils. Lymphomas affects the bone marrow and other organs and causes symptoms such as weight loss, fever, sweats, tiredness (fatigue), and lumps (swollen lymph nodes) under the skin in the neck, armpit, or groin. There are two types of lymphomas which are, Hodgkin lymphoma and non-Hodgkin lymphoma which affects both children and adults.


The treatment for lymphomas include chemotherapy which helps in killing cancer cells, bone marrow stimulant helping bone marrow to produce new blood cells, steroid in modifying hormone effects and reducing inflammation, enabling tissue growth and repair, and blood transfusion.


Most childhood cancers are curable with generic medications and other forms of treatment, such as surgery and radiotherapy. Childhood cancer treatment can be cost-effective in all income levels if diagnosed early. Improving access to paediatric cancer care, including therapy focused approach and technological advancements is extremely critical and will be proven cost effective, feasible and will hold the potential to improve survival rate of the condition.


Edited by Akanksha Sarma

(Disclaimer: The views and opinions expressed in this article are those of the author and do not necessarily reflect the views of YourStory.)

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