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Ken
Ken, Postgraduate doctor
Category: Medical
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Experience:  Working as a Doctor who Cares since 2001.
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I have a lump on the outside of my right knee. The lump grows

Resolved Question:

I have a lump on the outside of my right knee. The lump grows larger as I exercise but than shrinks somewhat during the day. I have had this lump for 6 months. It does seem to be getting slightly larger. I have no pain except when I push on the lump.
Submitted: 4 years ago.
Category: Medical
Expert:  Ken replied 4 years ago.

Ken :

Hello

Ken :

Can you describe the lump a bit - soft/ hard? Is overlying skin swollen or red?

Ken :

Do you have fever or have any diagnosed medical condition?

Ken :

Were any investigations done to see for the cause?

Customer:

The lump is not hard like a bone. You can compress it. No swelling or redness

Customer:

No fever or medical conditions

Ken :

Thank you for the additional information. We need to consider few causes.

Ken :

Let me explain a bit.

Customer:

I saw an orthopedic doctor last fall and he told me not to worry about it

Ken :

Knee is a complex joint of the body. There are underlying bones {femur, tibia, fibula and patella} with ligaments, tendons and menisci in between them. There is overlying fat/ vessels, nerve and skin.

Ken :

Abnormality at any of these can present with swelling.

Customer:

I could take a digital picture and send to you if it would help

Ken :

In your case -

Ken :

I am happy that the lump is not painful. I would consider few possibilities like -

Ken :

Cyst at the knee {secondary to degeneration at the joint}/ benign lesion arising from fat/ Synovial or meniscal cyst.

Ken :

I worry the most for thrmobosis of vein or varicose veins.

Ken :

I mean thrombosis - sorry for the spelling mistake...

Ken :

I am happy that this has been physically evaluated by ortho doctor.

Ken :

But still -

Ken :

If I were you -

Ken :

I would get few investigations like - x ray for knee followed by ultrasound and MRI/ color doppler for lower limb veins to get more answers and above all for peace of mind.

Ken :

Cyst may be compressing on the underlying nerve and so the pain on compression.

Ken :

As of now - Avoid pricking or compressing the lump. Motrin should relieve discomfort. Cold compress may help too. Keep the leg raised whenever possible, raise the leg part of your bed.

Ken :

Please do not worry, you will be fine.

Ken :

Let me know if you want me to explain anything in more details.

Ken :

Good luck

Customer:

Thank you. XXXXX did mention cyst. I worry only because it is growing and I have had it so long

Ken :

I do understand.

Ken :

The cysts secondary to degeneration are most common at your age. They do not need any treatment unless they cause symptoms.

Ken :

Close watch needs to be kept to see for sudden rise in size {which may indicate bleed within them} or any symptoms like pain.

Ken :

I am sorry to repeat BUT I would get MRI for sure.

Customer:

Will get MRI for sure

Customer:

Have a great day

Ken :

Wish you well. Do consider to click on 'Accept' tab so that I get credit for my work!

Ken :

God bless

Ken and 4 other Medical Specialists are ready to help you
Expert:  Ken replied 4 years ago.
Hello,

I assume you are better now and feel good.

Let me know if you want me to explain MRI findings when done or have any other medical questions for me.

Best

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