Have you ever thought that feeling tired all the time, having swollen legs, and having trouble breathing is normal? Sometimes, there may be a more complicated condition behind these symptoms that we haven't heard much about. Today, we're talking about one such rare disease, but one that you should be aware of. That's AL Amyloidosis. This name may sound a little scary, but let's talk about it simply and clearly.
Simply put, what is AL amyloidosis?
Imagine that we have little factories in our bodies, which we call plasma cells . These are located in our bone marrow. Their main job is to make soldiers called antibodies to fight germs that enter our bodies. This is a very important part of our immune system.
But in a condition called AL amyloidosis, there's a small defect in these plasma cells. Because of this defect, those cells produce a type of protein that's misshapen, broken, and misshapen. This is called a light chain protein .
These misfolded light chain proteins clump together, forming tangles and small, fibrous structures. These build up in various organs in our bodies, such as the heart, kidneys, nerves, and intestines. Just like dirt clogging a pipe, when these proteins build up, those organs can't function properly. This is what we call AL amyloidosis.
Why is this called AL?
There are several types of amyloidosis. Each type is named after the abnormal protein that causes it. The letter A stands for Amyloidosis and the letter L stands for Light Chain .
How does this disease affect the body?
There are thousands of different types of plasma cells in our bodies. Each type makes a specific type of antibody to fight a specific germ.
In AL amyloidosis, a single plasma cell develops a defect, and that cell divides uncontrollably, producing thousands of defective cells. Each of these cells makes the faulty light chain protein that we talked about earlier.
This huge amount of protein travels through our blood and begins to deposit in our organs. These deposited fibers are called amyloid fibrils . These cause the organs to thicken and not function properly. Over time, this can cause serious damage that can even be life-threatening.
Who is most likely to get this disease?
This is actually a very rare disease . Worldwide, it affects a small number of people, between 5 and 12 per million.
- Men are slightly more likely to develop it than women.
- This condition is most common in people over the age of 60. The average age at diagnosis is about 64 years.
What are the symptoms that can be identified?
One problem with this disease is that its symptoms are often similar to those of other common diseases. And these symptoms appear very slowly. So you may not notice much difference at first. Let's see what these symptoms are in the table below.
| Affected body part | Visible features |
|---|---|
| Head and neck |
|
| Hands and feet | |
| Heart and lungs | |
| Digestive system | |
| Kidneys and urinary system |
These symptoms are also seen in most common diseases, so don't panic if you have amyloidosis just because you have one or two of these. But if you have more than one of these symptoms, you should definitely see a doctor for advice.
How does a doctor accurately diagnose this disease?
After listening to your symptoms, if the doctor suspects this disease, he or she will perform several tests to confirm it.
The most important test for this is a biopsy . This involves taking a very small piece of tissue or organ that is thought to be affected and examining it under a microscope. This allows us to see exactly whether the amyloid protein is present. Biopsy tests are usually done to:
- Bone marrow biopsy: A small sample is taken from the bone marrow inside a bone.
- Kidney biopsy: Several very small pieces of tissue are taken from the kidney.
- Heart biopsy: Several small pieces of heart muscle are taken.
- Abdominal fat pad biopsy: A small piece of tissue is taken from the fatty layer under the skin of the abdomen.
Additional tests
In addition to this, more tests are being done to find out how much damage has been done to your organs.
- Blood tests: These help to see how the kidneys, heart, and liver are working, and to measure the amount of light chain protein in the blood.
- Urine tests: A urine sample, usually collected over a 24-hour period, is tested to see if there is any damage to the kidneys.
- ECG (Electrocardiogram): Measures the electrical activity of the heart.
- Echocardiogram: An ultrasound scan of the heart. This looks at things like the heart's movement and size.
- Cardiac MRI: This test is performed to obtain a very clear, detailed picture of the heart.
What are the treatments for this?
There are several main goals of treating AL amyloidosis. One is to control symptoms. The other is to manage organ damage. And most importantly, to stop the production of the abnormal protein .
Doctors usually use drugs such as chemotherapy , immunotherapy , or steroids to destroy the defective plasma cells, which then stop the production of new light chain proteins.
Importantly, while these treatments can stop the disease from getting worse, they do not remove the amyloid fibrils that have already been deposited in organs. Once treatment begins, our own immune system begins to remove these deposited proteins.
In some cases, depending on the patient's condition , a bone marrow or stem cell transplant may be recommended. All of this is decided by the doctor treating you.
How long can you live with this disease?
This is a problem for many people. In fact, new treatments have now significantly increased the life expectancy of people with AL amyloidosis. For some people, it has become a chronic disease that can be controlled with medication.
But we should not forget that this is a very serious disease. The patient's future condition is determined by many factors, such as the extent of damage to the organs when the disease is diagnosed, and the body's response to treatment.
Your doctor can give you the best information about your condition, the results of your treatment, and your future. So don't be afraid to ask him or her any questions you have.
Can the disease be prevented? How can I take care of myself?
Unfortunately, AL amyloidosis is not a disease that we can prevent. It is caused by a random mutation in a plasma cell. But once the disease is diagnosed, there are a few things you can do to take care of yourself.
- Good nutrition: Some treatments can cause a loss of appetite. But good nutrition is essential to keep your body strong. Talk to your doctor about a diet that's right for you.
- Get enough rest: Give your body time to heal. Get enough sleep and rest.
- Appropriate exercise: Exercise is good for the mind as well as the body. But ask your doctor what exercises are safe and suitable for your body.
- Psychological support: When you have a rare disease like this, you may feel lonely and isolated because others don't understand. That's normal. Ask your doctor about support groups for people with this condition. Sharing your experiences with others is a great strength.
Although AL amyloidosis is a serious disease, it is possible to manage and live with the condition by early detection, receiving the right treatment, and taking good care of yourself.
Take-Home Message
- AL amyloidosis is a rare disease caused by the deposition of abnormal proteins (light chains) produced by plasma cells in the bone marrow in organs.
- This mainly affects the heart and kidneys, but can affect any other organ in the body.
- Because symptoms such as fatigue, leg swelling, and shortness of breath can be similar to other illnesses, it is important to seek medical advice if they persist for a long time.
- A biopsy is essential to accurately diagnose the disease.
- The main goal of treatment is to stop the production of abnormal proteins through treatments such as chemotherapy.
- It is very important to talk openly with your doctor about your condition and treatment.
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