Is your body always sore? It could be a connective tissue disease!

Imagine that our body is like a beautifully constructed building. In this building, everything like bricks, walls, roof, beams, etc., needs cement and wire to connect them together and keep them strong, right? Similarly, the organs, muscles, bones, and nerves in our body are connected together, supported, and protected by a special network of tissues called 'Connective Tissues'. These are spread throughout our body.

Simply put, what is this connective tissue?

These are the 'glue' and 'supporting framework' of our bodies. It's hard to find a place in your body that doesn't have them. For example:

• Bones: The framework that gives shape and strength to our bodies.
• Cartilage: The spongy part between joints that prevents two bones from rubbing together.
• Ligaments: Strong bands that connect bones to each other.
• Tendon: A band that connects muscles to bones.
• Skin: Covers and protects our body.
• Body fat: stores energy and protects organs.
• Fascia: A thin membrane that surrounds muscles and organs.

Now you understand how important this connective tissue is to our body. So, if any disease condition affects this tissue, it can affect many places in the body, not just one. This is the group of diseases that we commonly call Connective Tissue Diseases .

How many main types are these diseases divided into?

There are more than 200 types of connective tissue diseases, but we can divide them into three main groups based on their nature.

Now let's look at each of these categories in a little more detail.

1. Autoimmune Connective Tissue Diseases

This is what most people think of when they hear the word 'connective tissue disease'. This is when our body's immune system mistakenly thinks that our own cells and tissues are 'the enemy' and attacks them. This causes chronic inflammation , or ongoing inflammation and swelling, in various parts of the body. Over time, this can even lead to permanent damage to the tissues.

Some common examples:

• Rheumatoid arthritis: This mainly affects the joints. The joints become swollen, stiff, and painful. If not treated properly, the joints can become deformed. Sometimes, this inflammation can spread to the blood vessels and other organs.
• Lupus: This one is a bit more complicated because lupus can affect any connective tissue in the body, and sometimes all of it. It can also damage major organs like the skin, joints, heart, lungs, and kidneys.
• Scleroderma: In this condition, the body produces more of a protein called collagen than it should. Collagen is what gives our tissues strength. But when it becomes too much, the skin and organs become thick and stiff. It's like something that should be rubbery becomes plastic.
• Sjögren's syndrome: In this condition, the immune system attacks the glands that produce moisture in our bodies (such as the tear and salivary glands). As a result, areas such as the eyes, mouth, skin, and respiratory tract become excessively dry.
• Myositis: This is an inflammation of the muscles. This causes the muscles to become weak and the body to feel lifeless. In some types, skin rashes may occur.

Some people may have symptoms of more than one disease, but they may also have symptoms of several of these diseases together. We call this Mixed Connective Tissue Disease . Also, there are cases where some of the symptoms are present, but it cannot be definitively classified as a single disease.

2. Genetic Connective Tissue Disorders

These are caused by a genetic mutation that is inherited. This genetic defect causes problems in the production of proteins called collagen or elastin, two of the main building blocks of connective tissue.

• Collagen is like the glue that gives our tissues strength and firmness.
• Elastin is something that gives elasticity, like a rubber band.

When the production of these is disrupted, various weaknesses in the tissues occur.

Some examples:

• Marfan syndrome: This condition affects elastin fibers, making tissues more elastic. People with this condition have longer limbs than normal. It can also cause serious problems with the heart and blood vessels.
• Ehlers-Danlos syndrome: This is a condition in which the skin and joints become hyperextendable due to a weakening of collagen. The joints become easily sprained and the skin is easily injured.
• Osteogenesis imperfecta: Also known as 'brittle bone disease', this is a condition in which the body lacks a type of collagen, making bones and teeth very fragile. Even a minor fall can cause a bone to break.

Symptoms of people born with this genetic condition can range from mild to very severe. Since there is no cure for this genetic defect, doctors treat the symptoms and complications individually.

3. Cancers of Connective Tissues

Cancers that start in connective tissue are commonly called sarcomas . These can start in bone, cartilage, fat, muscle, ligaments, tendons, or the deeper layers of the skin.

Some examples:

• Osteosarcoma: The most common type of cancer that occurs in the bones.
• Chondrosarcoma: A bone cancer that begins in cartilage.
• Liposarcoma: A tumor that begins in the body's fatty tissue.
• Myxofibrosarcoma: Usually begins as a lump under the skin of an arm or leg.

What are the common symptoms of these diseases?

Although there are many types of these diseases, they share several common symptoms. Since these diseases affect the entire body, symptoms can vary widely.

• Muscle and joint pain, stiffness, and weakness: This is a common symptom of many diseases. Things like morning stiffness, joint swelling, and pain when walking.
• Fatigue: Extreme tiredness felt even after doing nothing.
• Effects on the lungs and heart:Our lungs have a large amount of connective tissue. And because blood vessels run through this tissue, inflammation in one area can easily spread to these organs. This can cause symptoms such as difficulty breathing, chest pain, and changes in blood pressure .
• Symptoms of Sarcomas: These often don't show symptoms until they are large. Sometimes they can appear as a painless lump under the skin . Or they can start as bone or joint pain.

How is the diagnosis made?

After listening to your symptoms, the doctor will examine you. In addition, he or she may order various tests depending on the suspected disease.

• Blood tests: Tests like ESR and C-reactive protein , which measure inflammation in the body, as well as tests for specific antibodies to detect autoimmune diseases.
• Imaging tests: X-rays and MRI scans to look at the condition of joints and bones.
• Biopsy: Taking a small piece of tissue from a suspicious lump or skin and examining it under a microscope.
• Other tests: Tests that measure dryness of the eyes or mouth, urine tests, etc.

What are the treatments?

Many connective tissue diseases are lifelong conditions. This means that they are difficult to completely cure. However, with proper treatment, symptoms can be controlled, the disease can be prevented from worsening, and you can live a normal life.

• For autoimmune diseases: Medications such as immunosuppressants and corticosteroids are given to suppress the activity of the immune system.
• For cancer (sarcomas): Treatment methods such as surgery, chemotherapy, and radiation therapy are used.
• For genetic diseases: Although there is currently no cure for these, symptoms (e.g. heart problems, bone fractures) are treated individually.
• Physical Therapy: Exercise and physical therapy are very important to reduce pain in muscles and joints and restore their function.

If you have this kind of illness, your doctorIt is very important to follow the instructions given exactly and attend the clinics on time.