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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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What Could Sudden Appearance Of A Purple Bruise On Knee Indicate?

I woke up with a DARK purple bruise thats perfectly round on my left knee cap, and it has a big white dot in the middle of it. I did not fall or hit my knee at all within the past few days. I have no idea where it came from but the white middle is really weird. What could it possibly be?
Wed, 31 Jan 2018
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Orthopaedic Surgeon 's  Response
Hello,

I have studied your case.

There is possibility of skin infection around knee.
Another possibility of hemophilia,you may need to do blood investigation.

You may need to investigate like CRP ,CBC,ESR
PCR culture is very useful to find culprit organism.


Hope this answers your query. If you have additional questions or follow up queries then please do not hesitate in writing to us. I will be happy to answer your queries.

Wishing you good health.

Take care
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What Could Sudden Appearance Of A Purple Bruise On Knee Indicate?

Hello, I have studied your case. There is possibility of skin infection around knee. Another possibility of hemophilia,you may need to do blood investigation. You may need to investigate like CRP ,CBC,ESR PCR culture is very useful to find culprit organism. Hope this answers your query. If you have additional questions or follow up queries then please do not hesitate in writing to us. I will be happy to answer your queries. Wishing you good health. Take care