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Doctor insights on: Soft Lump On Kneecap

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What is lump on right side of my kneecap?

What is lump on right side of my kneecap?

Varies: There are several potential causes, consider being seen. Among the most common causes is a chronic inflammation of the tissues inserting on the kneecap leading to thickening and sometimes calcification. An exam and appropriate studies can usually determine the cause.

Dr. John Michalski
667 Doctors shared insights

Patella (Definition)

Patella is a thick piece of bone, more commonly known ...Read more


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What would cause a lump to develop suddenly on the outside area of my kneecap? It occurred within the last hour.

What would cause a lump to develop suddenly on the outside area of my kneecap? It occurred within the last hour.

Prepatellar bursitis: Typically this is a prepatellar bursitis. If red and hot may need aspiration and antibiotics but usually is benign and will resolve with rest, ice and elevation. An ace wrap to compress is good.

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I have had a lump below my left kneecap for more than 2 years now. Why is that. When I hit it against something it hurts very bad. The worst pain. Why?

I have had a lump below my left kneecap for more than 2 years now. Why is that. When I hit it against something it hurts very bad. The worst pain. Why?

Osgood-Schlater: It sounds as if you may have had osgood-schlater disease, which is more than likely resolved except for a painful ossicle which may be present at the tibial tubercle. Most of the time this is treated with rest and avoiding direct pressure. Sometimes it may require surgery.

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I have had a lump below my kneecap for 2 years it hurts when it is bumped why?

I have had a lump below my kneecap for 2 years it hurts when it is bumped why?

Bursae over bone: Most common cause of a lump that is painful in your age group is a bone prominence where the infra patella tendon attaches. It probably has a bursae or a sac the the body has produced to protect it but it can be painful if hit. Bone is more prominent if you suffered for osgood-schlatters disease that makes bone even more prominent.

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I had a hard knock to my kneecap 4 yrs ago and still have a big soft lump there. Would this be a pocket of fluid? Should I have it drained?

I had a hard knock to my kneecap 4 yrs ago and still have a big soft lump there. Would this be a pocket of fluid? Should I have it drained?

See orthopedist: The bump can represent soft tissue scarring or possibly fluid. Difficult to tell based on you description. Best to see an orthopedist and have x-ray done to evaluate fully.

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Could a pea sized lump on kneecap be cancer?

Could a pea sized lump on kneecap be cancer?

Get it checked: There is no way to tell based on this alone. If you are concerned, see your doctor.

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Hard lump on left patella that's painful when I kneel down and come back up?

Bursitis: This may be an inflammation in the little sack or bursa just over the patella. It normally helps everything "slide" when you bend your knee, but can get irritated, especially if you did a lot of kneeling or caused some inflammation to start. If it is red and painful, it may even be infected so you should get it checked. Try an antiinflammatory in the meantime. Try not to kneel until it is healed.

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I have two lumps on knee. One on the right knee on the outer side of the lower kneecap. The other is on the left knee, front and below knee cao?

I have two lumps on knee. One on the right knee on the outer side of the lower kneecap. The other is on the left knee, front and below knee cao?

Pain knee: I have two lumps on knee. One on the right knee on the outer side of the lower kneecap. The other is on the left knee, front and below knee cao? ANS: And your question is? I am available live for next 2 hr so you can show me what it is.

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Dime size lump on my knee just to the left of my patella on my t knee. It hurts when I stand, when it is bent, when it is pushed on, and when I kneel?

Dime size lump on my knee just to the left of my patella on my t knee. It hurts when I stand, when it is bent, when it is pushed on, and when I kneel?

Get it checked: If you have a painful lump, then it needs checked. Cannot prognosticate with limited information available. See your Dr / Urgent Care or an Orthopedist for evaluation and diagnosis.

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Inflamed knee after walking small lump under kneecap?

Inflamed knee after walking small lump under kneecap?

Tendinitis: Sounds like you are describing patellar tendinits.

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I have a lump on the front of my knee about 2 inchs below my kneecap. When I kneel on it, it feels like a knife shoved ino it what could it be?

I have a lump on the front of my knee about 2 inchs below my kneecap. When I kneel on it, it feels like a knife shoved ino it what could it be?

Several things: This is a problem that necessitates a face-to-face meeting with your doctor. This will allow him/her to examine you, ask specific questions. And possibly order tests to find out what's wrong and what to do to help you.

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10yr old daughter has lump near her kneecap. It feels soft and mobile. Slightly red, hurts when she bends it and when it's pushed on. Ideas?

10yr old daughter has lump near her kneecap. It feels soft and mobile. Slightly red, hurts when she bends it and when it's pushed on. Ideas?

Most common lumps --: Lipomas or Ganglion cyst. They can be confirmed with an Exam. MRI is quite helpful in making the Diagnosis. Other possibilities would be a low grade infection, or bleeding in to a cyst, which makes these painful and tender. FB (foreign body) like a glass piece or a thorn prick, needle, toothpick etc can all be responsible for it. Have her see the PCP and maybe an Orthopedist in your area.

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Hard dime size lump just to left of right patella hurts:kneel, touch, Bent, stand. Don't disappear into joint. Ran 3.2mi night before appeared. See:bentknee?

Hard dime size lump just to left of right patella hurts:kneel, touch, Bent, stand. Don't disappear into joint. Ran 3.2mi night before appeared. See:bentknee?

Patellar pain: Patellar pain syndromes are quite common in young female athletes. They are typically due to patellar tracking abnormalities or patellofemoral syndrome. The hard lump you feel could be a bone fragment called "bipartite patella", or less likely a "ganglion cyst". See a sports medicine doctor for physical exam and maybe an x-ray or MRI.

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Does a kneecap actually bruise inside? I thought it was a lump of solid cartilage?

Does a kneecap actually bruise inside? I thought it was a lump of solid cartilage?

Kneecap bruise: A bruised kneecap occurs from a direct injury to a kneecap, which usually happens from falling onto a knee or by being hit by an object. Bruises can last from days to months, with the bone bruise being the most severe and painful.

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Why do I have a lump under my kneecap that I had for 2+ years. When I bump it, it hurts like crazy I play a lot of sports.

Why do I have a lump under my kneecap that I had for 2+ years. When I bump it, it hurts like crazy I play a lot of sports.

Prepatellar Bursitis: This bursa enables the kneecap to move smoothly under the skin. If the bursa becomes inflamed, it fills with fluid and causes swelling at the top of the knee. This condition is called kneecap (prepatellar) bursitis. The symptoms are, pain with activity, rapid swelling on the front of kneecap, tender and warm to the touch. Go and check it out.

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Pain and lump front of right knee after patella repair had steriod injections, still can not sit with knee bent and hurts to stand, walk. No help?

Pain and lump front of right knee after patella repair had steriod injections, still can not sit with knee bent and hurts to stand, walk. No help?

Painful hardware?: By your discription can't tell if you had repair of a fractured patella or ruptured patellar tendon. Either way it is possible to have pain and swelling related to a prominent screw or wire or perhaps non-resorbable suture. If not getting better repeat surgery not unresonable to explore area in question.