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Cancer is a frightening and serious disease, ranking as one of the leading causes of death worldwide. The World Health Organization reported that nearly 10 million people died from cancer globally in 2022. Because cancer often does not show symptoms in its early stages, many patients do not receive timely treatment. This delay allows the cancer to spread, making it more difficult to treat and increasing the risk of death.
Cancer occurs due to abnormalities in the cells of the body. These cells grow and divide more rapidly than normal, making it difficult for the body to eliminate them. As a result, cancer cells clump together to form large tumors, which can press on and invade nearby tissues and organs. If left untreated, cancer cells can spread to other parts of the body through the bloodstream and lymphatic system, causing damage to organs, affecting bodily functions, and potentially leading to death.
Not all tumors are cancerous. Some tumors are benign and do not spread or destroy adjacent tissues. Diagnosing whether a tumor is cancerous requires further examination by a medical specialist.
Cancer can occur in people of all genders and ages, but it is most commonly found in adults over 50 years old. According to statistics from the World Health Organization, the number of cancer patients in Thailand in 2022, divided by gender, is as follows:
Cancer can occur in people of all genders and ages, but it is most commonly found in adults over 50 years old. According to statistics from the World Health Organization, the number of cancer patients in Thailand in 2022, divided by gender, is as follows:
Cancer arises from various factors, both environmental and internal to the body.
These are factors that we can avoid or reduce the risk of exposure:
These factors are uncontrollable, but health management can reduce risk:
If you experience any abnormal symptoms, it is important to consult a doctor for proper diagnosis and treatment.
Diagnosing cancer is crucial for confirming the type and stage of cancer, which aids in planning appropriate treatment. Doctors use various diagnostic methods in combination:
The doctor takes a detailed medical history and conducts a thorough physical exam, checking for enlarged lymph nodes, abnormal lumps, or other signs of disease. Some cancers, such as breast cancer, can be initially self-examined.
Tests on blood, urine, stool, or sputum to detect cancer markers or cancer cells, and genetic mutations related to cancer.
Collecting tissue or cell samples from suspected cancer areas to analyze cell characteristics and confirm if they are cancerous and identify the type of cancer.
Imaging techniques like computed tomography (CT), magnetic resonance imaging (MRI), and nuclear medicine scans help doctors visualize tumors, assess cancer spread, and determine the cancer stage.
Procedures like colonoscopy, endoscopy of the stomach and esophagus, and ultrasound of various organs allow direct observation and assessment of abnormalities.
Doctors will choose appropriate diagnostic methods based on the cancer type, stage, symptoms, and patient history.
Cancer screening is crucial for detecting cancer at an early stage, influencing treatment plans and improving the chances of recovery. Early detection significantly increases the likelihood of successful treatment, reduces treatment complexity, and minimizes side effects.
Cancer screening programs are commonly integrated into general health check-ups or tailored for specific cancers to provide detailed and accurate examinations. Methods for cancer risk screening include:
AFP (Alpha-Fetoprotein): Screens for liver cancer.
Regular screening can catch cancer early, leading to better treatment outcomes and reduced health complications.
When treating cancer, doctors plan treatment based on various factors, such as the location, stage, and severity of the disease. Some patients may require a combination of treatments to achieve the best outcome. Early-stage treatment generally yields better results than treating advanced cancer. Common cancer treatments include:
Removing the cancerous tumor surgically is suitable for early-stage cancers or cancers that have not spread to other organs.
Using drugs to kill cancer cells throughout the body, known as chemotherapy, can involve a single drug or a combination of drugs . It is often used in conjunction with other treatments such as surgery or radiation therapy.
Using high-energy radiation to kill cancer cells, known as radiation therapy, can be administered externally or internally (brachytherapy). It is often combined with other treatments like surgery or chemotherapy.
Using hormone-blocking drugs to stop the growth of certain types of cancer cells, such as those in breast cancer and prostate cancer.
Using multiple treatment methods together, depending on the stage and severity of the cancer, to achieve the best possible outcome.
Early detection and treatment significantly improve the chances of successfully managing cancer.
Currently, there is no specific method to prevent cancer entirely. However, individuals can reduce their risk of developing cancer by adopting healthy behaviors and maintaining good health through the following practices:
Implementing these healthy habits can significantly lower the risk of cancer and contribute to overall well-being.
Cancer results from abnormal cell growth that can spread to other parts of the body. Primary causes include genetics and risk factors such as smoking, alcohol consumption, and exposure to harmful chemicals. Managing risk factors and undergoing regular screenings are crucial for cancer prevention.
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