Cancer Treatment: Chemotherapy and Radiation Therapy Overview

Study Notes

Cancer: Treatment with Chemotherapy and Radiation Therapy

Cancer is a group of diseases characterized by uncontrolled cell growth. It can affect any part of the body and is often treated through various methods such as surgery, chemotherapy, radiation therapy, immunotherapies, and targeted treatments. In this article, we will focus on two common treatment methods: chemotherapy and radiation therapy.

Chemotherapy

Chemotherapy is a cancer treatment that uses drugs to destroy cancer cells. These drugs work in several ways: they interfere with DNA production, prevent blood vessels from forming around tumors, or block communication between cancer cells. They can be administered in various forms including oral pills, topical creams, injections, or infusions into veins.

Side effects of chemotherapy may vary depending on the specific drug used and the patient's overall health. They can include hair loss, nausea, vomiting, diarrhea, mouth sores, fatigue, and infection risk. Most side effects go away after treatment ends, although some like nerve damage can be permanent.

The choice of chemotherapy depends on factors such as the type and stage of the cancer, the patient's age and general health, and the possible side effects of the drugs. Some types of cancer respond better to certain chemo drugs than others. For example, platinum compounds like cisplatin are effective against ovarian cancer.

Radiation Therapy

Radiation therapy uses high-energy X-rays or particles to kill cancer cells or stop them from growing and dividing. It's typically given daily over several weeks because it takes time for healthy cells to recover while cancer cells have a shorter recovery time. There are two main types of radiation therapy: external and internal.

External beam radiation therapy uses a machine outside the body to send radiation through the skin to the tumor. This is the most common type of radiation therapy. Possible side effects include fatigue, skin changes, and nausea.

Internal radiation therapy, also known as brachytherapy, involves placing a radioactive substance near the cancer cells to deliver a high dose of radiation. This type of therapy is usually used for prostate, breast, or gynecological cancers. Side effects may include pain, bleeding, and infection.

Both chemotherapy and radiation therapy can be used alone or in combination with other treatments like surgery or immunotherapy. The decision to use one or both depends on factors such as the type and stage of the cancer, the patient's overall health, and the possible side effects of each treatment.

In conclusion, cancer can be treated with various methods including chemotherapy and radiation therapy. Chemotherapy uses drugs to destroy or stop the growth of cancer cells while radiation therapy uses high-energy radiation. Side effects vary depending on the specific treatments and individual patients' health. The choice of treatment method depends on factors such as the type and stage of the cancer, the patient's age and overall health, and the possible side effects of the treatments.

Description

Explore the common cancer treatment methods of chemotherapy and radiation therapy in this article. Learn how chemotherapy destroys cancer cells using drugs and how radiation therapy uses high-energy X-rays or particles to kill cancer cells or stop their growth. Understand the side effects, administration methods, and factors influencing the choice of treatment.