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Doctor insights on: Soft Lump On Right Knee

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My 7 years old son was diagnosed with osteochondroma. We did only X-ray on the lump on right knee. Should we make MRI or biopsy ? Want to make sure.

Basic choices: The investigations should never be worse than the condition under study. You wouldn't want to put a kid through general anesthesia for a biopsy when the standard (passive) study finds a benign osteochondroma. MRI would add nothing. If your fear of cancer is enough to offset the risks/pain for the kid, push ahead. Otherwise find docs you can trust & monitor the situation until you are comfortable ...Read more

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The lump is on my right knee at the side . It causes me pain all the time and it is visible to all people . What is it ?

The lump is on my right knee at the side . It causes me pain all the time and it is visible to all people . What is it ?

The location: you describe is probably not a part of the knee joint but may be LIPOMA (fatty benign growth) which has outgrown it's blood supply and is inflammed. In any case you require a "HANDS ON" Examination!!

Hope this is helpful
Dr Z ...Read more

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Why do I have a growing lump on my right knee along with severe pain? It has lasted for the weeks.

Why do I have a growing lump on my right knee along with severe pain? It has lasted for the weeks.

See below : If the lump is under the knee this is growing baker cyst. Regardless of its location growing painful lump has to be worked up. ...Read more

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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?

Varies: There are several possibilities, a physical exam would likely yield the diagnosis. Imaging studies could also help. The tibial tubercle is a structure in that area and it can become enlarged producing a "lump" in the area I believe you are describing for a variety of reasons, I would not hesitate to be seen. ...Read more

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I have bad pain in the right knee with a lump on it I have nf also what should I do?

I have bad pain in the right knee with a lump on it I have nf also what should I do?

Cyst?: If the lump is on the back of the knee, it could be baker's cyt. If it is located front of knee, it could be a simple cyst. Either way, have it checked. ...Read more

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This morning i noticed a lump behind my right knee. Throughout the day it had gotten bigger, red and painful. Any ideas what it is?

This morning i noticed a lump behind my right knee. Throughout the day it had gotten bigger, red and painful. Any ideas what it is?

Many possibilities : A a physician could help sort through those with a history and physical. Baker's cyst, boil, insect bite, blood clot, swollen lymph node, phlebitis are some possibilities. Best to get a professional opinion. ...Read more

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Fluid filled lump on left part of right knee. Hurt to touch. Next day lump is gone but it still hurts to touch. Any ideas of what it could be?

Fluid filled lump on left part of right knee. Hurt to touch. Next day lump is gone but it still hurts to touch. Any ideas of what it could be?

It might be bursitis: blister or a hemtoma, based on the fluid-filled feature of the lump. Did you hit your knee recently or do you spend a lot of time kneeling? I would apply a cold compress to it and take Advil (ibuprofen) for pain if needed. If you start to have increasing pain, difficulty walking or develop fever, I would see a doctor right away! Feel better! ...Read more

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Hello, my 8 year old son woke up with a small hard lump on the inside of his right knee, he is complaining of pain to the touch & weight bearing?

Hello, my 8 year old son woke up with a small hard lump on the inside of his right knee, he is complaining of pain to the touch & weight bearing?

Better get seen: By his pediatrician first, given this picture, can be knee effusion or something else, history of immediate trauma isn't necessary, wish you both wellness ...Read more

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I had an injury on my right knee after running, pain is better now but I have a pea size lump?

I had an injury on my right knee after running, pain is better now but I have a pea size lump?

Knee lump: It depends upon location. It could be a prepatellar, infrapatellar, or pes bursitis. If it is deeper and mobile, it could be a loose body. ...Read more

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I fell on my right knee and it hurt alot at first. There's pain when i rub the area and feel a lump moving under my skin?

I fell on my right knee and it hurt alot at first. There's pain when i rub the area and feel a lump moving under my skin?

Knee contusion: Most likely there is still resolving inflammation and/or contusion (bruise) in the area. Continue to monitor. If pain persists or is accompanied by difficulty walking, etc., I recommend that you seek medical attention. ...Read more

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A golf ball size lump showed suddenly on the inner part of my right knee slightly toward back. No pain at all. What could it be?

A golf ball size lump showed suddenly on the inner part of my right knee slightly toward back. No pain at all. What could it be?

Baker's cyst: Is a fluid collection that can develop behind the knee. Ultrasound can show that area easily. Check with your doctor. ...Read more

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I have a lump near the semitendinosus by the back of the right knee. I body-build. No pain. Slightly smaller on left leg. Any suggestions?

I have a lump near the semitendinosus by the back of the right knee. I body-build. No pain. Slightly smaller on left leg. Any suggestions?

Cyst?: It sounds like it could be what is commonly called a baker's cyst or popliteal cyst. A baker's cyst is a buildup of joint fluid (synovial fluid) that forms a cyst behind the knee. If it is small and painless, simple observation is sufficient. You should have your pcp or an orthopedic doc examine you to confirm. ...Read more

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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. ...Read more

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Fell on concrete about a month ago right knee skinned pretty good through pants. Hard lump developed below knee cap on the right side does not hurt ?

Fell on concrete about a month ago right knee skinned pretty good through pants. Hard lump developed below knee cap on the right side does not hurt ?

Calcified Hematoma?: It may be collection of blood under the skin called hematoma which got calcified But I will suggest you have it checked by your doctor ...Read more

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I have a lump on the inside of my right knee I've had it for a couple of weeks now and 2day its been playing up n feels like I have burst a blood vesse?

I have a lump on the inside of my right knee I've had it for a couple of weeks now and 2day its been playing up n feels like I have burst a blood vesse?

Probably minor: Most likely its something relatively minor if it persists more than a week or so or becomes more painful it should be checked out its hard to tell whats wrong without an exam or diagnostic studies dont ignore it if it persists. ...Read more

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I have a bite like lump on my left and right knee and on the side of my right foot, i've not been outside for the past few days, so what could it be?

I have a bite like lump on my left and right knee and on the side of my right foot, i've not been outside for the past few days, so what could it be?

Inset Bite Likely: Insects are the most abundant non-microscopic life forms on the planet ; are everywhere, including indoors, not just outdoors. E.G. Mosquito bites would certainly fit your description, but there are also many other possibilties. ...Read more

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I hit my right leg hard 3 weeks ago. I now have a large lump below and to the left of my right knee (front). Painful, red, no heat. I have no insuranc?

I hit my right leg hard 3 weeks ago. I now have a large lump below and to the left of my right knee (front). Painful, red, no heat. I have no insuranc?

Likely a hematoma: From what you describe, it sounds like a hematoma, or blood collection. It also may be other things. Seeing a doctor in person would be the way to go, really. ...Read more

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I started having pain behind my right knee and noticed its swollen for about a week. Now I can multiply little lumps under the skin towards my calf. ?

I started having pain behind my right knee and noticed its swollen for about a week. Now I can  multiply little lumps under the skin towards my calf. ?

Two possibilities: 1. Baker's Cyst , usually along with internal derangement of the cartilage in the knee (menisci) 2. Deep Vein phelbitis/clots (could explain the "little lumps! GET IT CHECKED OUT as soon as practicable since BOTH need TREATMENT !!(Especially # 2!!!) Hope this helps! Dr Z ...Read more