Are you wondering about your lump on the knee? Fun Fact: There are three bones in the human knee. There are many causes of a knee bump. They include inflammation, infection, and tumor. It’s important to know the various symptoms, causes, and treatments related to these bumps. It will help to deal with them as effectively as possible. If you hit your knee on something and a bump appears, then the cause is more obvious than other cases. The key is to share various symptoms you’re experiencing with your doctor to help determine the cause of the knee lumps like knee bursitis, and the best treatment.
Various treatments are used for knee lumps. They include fluid-draining, medications, and surgery. The treatment options are based on the cause of the lump. That’s why it’s important to get an accurate diagnosis so you’ll know the best ways to treat the lump/bump. The process starts with evaluating the symptoms to determine the cause of the knee lump. Your doctor will provide a physical exam. He/She might also order various tests like imaging tests to learn more about the growth. A biopsy might also be required to check if the bump has any cancer cells.
What Are the Causes of Knee Lumps?
Lumps are a common condition that can appear just about anywhere on the skin, including the joints like the knees. There are various causes like arthritis, infection, and injury. Since this is a critical joint, it’s important to deal with any new lumps as soon as possible. They can affect your everyday movements, including walking, standing, and sitting.
Knee lumps can be caused by various issues including a major inflammation condition like arthritis that results from a joint injury. There are various other causes of knee lumps tumors and injections of tissue/bones. Based on the cause the lumps can be soft/firm, single/multiple, or painful/painless.
When lumps are caused by local infections this can cause boils or other growths. Meanwhile, there are other causes of knee lumps including bone fractions, bug bites, and others. This can cause blood clots in soft tissues.
Many people are worried that knee lumps are a sign of cancer. While some growths are malignant (cancerous) most are benign (non-cancerous). A doctor can do a physical exam and order tests like imaging tests to detect if the tumor is cancerous or not.
A biopsy might also be ordered. This involves removing a space piece of the tumor then having a lab test the piece to check if it’s cancerous.
Cysts are another type of skin growth that can show up on the knee. They’re sac-like and fluid-filled structures. They can form in various body parts and often have a lump-like texture. One type known as Baker’s cyst includes a fluid buildup that shows up behind the knee.
Knee lumps can also result from injury including injuries to the knee joint. It’s important to contact your doctor immediately if you have symptoms of a serious knee injury. The reason is such injuries can become worse over time if not treated early.
Knee Bursitis: Symptoms, Causes, and Prevention
This is an inflammation of the small sac (bursa) that’s fluid-filled. It’s located close to the knee joint. The main function of the bursae is to lower friction and help cushion various cushion pressure points located between the bones and skin, muscles, and tendons close to the joints.
Any bursa within the knee can get inflamed. However, in most cases, it happens over a person’s kneecap or on the knee’s inner side under the joint.
This knee condition causes pain and mobility issues in the area. There are various signs/symptoms of knee bursitis. They affect the bursa and whatever’s causing inflammation. The knee’s affected area usually feels warm, swollen, and tender when pressure is put on it. When a person moves or rests he/she might also feel pain.
A patient can feel worse symptoms if there’s a blow to their knee. However, in most situations, this condition is caused by friction/irritation of bursa caused by jobs requiring them to kneel on hard surfaces. This usually results in conditions becoming more serious over time.
It’s important to watch for complications. Sometimes the bursa over the kneecap can get infected. If you have a fever and knee pain/swelling then you should contact your doctor immediately.
There are various possible causes of knee bursitis including:
- Overuse of knee
- Blow to the knee
- Bacteria infection
- Frequent/Continuous pressure on the knee from kneeling
- Complications due to knee arthritis/gout
There are also various risk factors. They include long-term kneeling, playing some sports like football and volleyball, arthritis, and obesity. It’s important to talk to your doctor if you think you might be at a high risk of such lumps on the knee.
You can also take steps to help prevent this condition. They include taking breaks, wearing kneepads, maintaining a healthy weight, and avoiding frequent squatting.
Knee Bursitis: Diagnosis and Treatment
In many cases, a doctor can do a physical exam and check a patient’s medical history to make a diagnosis. They’ll take various steps in the diagnosis process including:
- Press on the knee’s areas to check for swelling/warmth
- Inspect skin over the tender region for infection signs
- Compare both knees’ conditions if one is painful
- Move legs/knees to check the range of motion of the knee
There are various imaging tests a doctor might request to check for signs/symptoms of knee bursitis including X-ray, MRI, and Ultrasound. Multiple tests might be run to check whether or not you have the condition.
Another diagnostic tool is to take a bursa fluid from the knee. This is done by using a needle to remove fluid from the affected area. This process can also function as a treatment.
After being diagnosed with this condition there are various possible treatments including:
- INJECTIONS: This can include ones like corticosteroid. If bursitis continues and doesn’t improve with the basic treatment you might be prescribed a corticosteroid injection. This helps to reduce inflammation. Usually, inflammation reduces quickly. However, there might be pain/swelling in the region for a few days.
- SURGERY: This might be prescribed if there’s serious bursitis and the paint isn’t responding to various other treatments. Surgery might be recommended to remove the bursa.
- THERAPY: It can help strengthen muscles and boost flexibility. This type of therapy might reduce pain and risk of knee lumps from the condition. A knee brace could help patients who must kneel due to job requirements. Meanwhile, knee sleeves can help reduce swelling. This treatment might trigger short-term pain/swelling.
- ASPIRATION: This involves removing extra fluid and treating inflammation. The doctor inserts a needle in the area and removes fluid. This treatment
- MEDICATIONS: The doctor might prescribe medicine for an infection caused by the condition. This includes various antibiotics to treat the lump on the knee.