About Mesothelioma
Mesothelioma is a type of cancer that primarily affects the lining of the lungs, abdomen, or heart. The pathophysiology of mesothelioma involves various factors that contribute to its development. Here are the causes and risk factors:
Causes of mesothelioma include:
- Exposure to asbestos: Asbestos is the primary cause of mesothelioma. Inhalation or ingestion of asbestos fibers can lead to inflammation and scarring in the lining tissues, which may eventually develop into cancerous cells.
Non-modifiable risk factors are factors that cannot be changed or controlled. Non-modifiable risk factors of mesothelioma include:
- Age: Advanced age is a non-modifiable risk factor, with the average age of onset being around 72 years.
- Genetic mutations: Inherited genetic mutations play a role in about 1 percent of mesothelioma cases.
Modifiable risk factors are factors that can be influenced or changed. Modifiable risk factors of mesothelioma include:
- Ionizing radiation exposure: Studies have shown an increased risk of developing mesothelioma among individuals exposed to ionizing radiation, such as those who received radiation therapy as children.
- Other potential modifiable risk factors, such as chronic inflammation and exposure to certain mineral fibers, are still being researched and not yet definitively established.
It's important to note that while these factors may increase the risk of developing mesothelioma, they do not guarantee its development. If you have concerns about your risk or symptoms related to mesothelioma, it's best to consult with a healthcare professional for personalized advice and guidance.
The most common early symptoms of mesothelioma include:
- Shortness of breath
- Chest pain
- Dry and persistent cough
- Lower back pain
- Problems swallowing
- Feeling of having something stuck in the throat
- Facial swelling
- Fatigue
- Loss of appetite
- Unexplained weight loss
As mesothelioma progresses or reaches higher severity, other common symptoms may occur, such as:
- Pleural effusion (fluid buildup between the lungs and chest cavity)
- Worsening cough
- Coughing up blood
- Hoarse voice
- Tiredness
- Wheezing
- Persistent infections (e.g., bronchitis, pneumonia)
- Abdominal pain and distension (in peritoneal mesothelioma)
- Nausea
It's important to note that these symptoms can vary depending on the individual and the stage of mesothelioma. If you experience any of these symptoms, it's crucial to consult with your doctor for a proper evaluation and diagnosis.
To diagnose mesothelioma, the following examinations, tests, and procedures are commonly performed:
- Physical exam and health history: The healthcare provider will examine the body for any signs of disease, such as lumps or unusual findings. They will also ask about the patient's health habits and past illnesses.
- Chest X-ray: This procedure uses an energy beam to create a picture of the organs and bones inside the chest.
- CT scan (CAT scan): A series of detailed pictures of the chest, abdomen, and other areas inside the body are taken from different angles using an x-ray machine linked to a computer. A dye may be used to enhance visibility.
To determine the stage or severity of mesothelioma, additional examinations, tests, and procedures may include:
- Imaging studies: These may include CT scans, MRIs, or PET scans to get a more detailed view of the affected areas.
- Biopsy: A sample of tissue is taken from the affected area to be examined under a microscope for cancer cells.
- Genetic tests: These tests use samples of blood or other tissues to identify changes in genes, chromosomes, or proteins that may be associated with Mesothelioma.
It's important to consult with a healthcare provider for personalized advice regarding examinations and tests.
The goal of treatment for mesothelioma are to:
- Achieve macroscopic complete resection: Surgery is performed to remove as much of the tumor as possible, aiming for a complete resection. However, due to the nature of the disease, microscopic complete resection is not achievable.
- Improve local control and survival: Radiotherapy can be used to improve local control by targeting the tumor with high-energy rays. New approaches using intensity-modulated techniques are being tested.
- Shrink cancer cells and prevent further growth: Chemotherapy is used to shrink cancer cells and prevent their further growth. It is often given in combination with surgery or radiation therapy.
- Target cancer cells directly: Targeted therapies are medications that directly fight cancer cells by blocking their growth and spread. These drugs can be taken orally or administered intravenously.
- Utilize the immune system to fight cancer: Immunotherapy drugs help the body's immune system recognize and attack cancer cells. They can be given as standalone treatment or in combination with other therapies.
- Relieve symptoms and improve quality of life: Palliative therapies such as radiation therapy can be used to relieve pain and improve quality of life for patients with advanced disease.
It is important to note that specific medication types, therapeutic procedures, health behavior changes, or other treatments may vary depending on individual patient factors and disease stage. It is recommended to consult with a healthcare professional for personalized treatment recommendations.
Medication dosing may be affected by many factors. Check with your health care professional about dosing for your individual situation.
Other side effects can occur. Check with your health care professional or read the information provided with your medication for additional side effect information.