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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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What Causes Large Bruise On Knee Caused After Injury?

about 3 weeks ago I fell on concrete and landed on my knee pretty hard. I had a big bruise on the side of my knee until recently but I still have like a hard knot on the side of the knee and is warm at the site. im in nursing school and one of my instructors said it ma be a clot or breakage and that I should go to the dr but I don t want to go if it is nothing.
Thu, 5 Nov 2015
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Dentist,  's  Response
Hi..
Welcome to HEALTHCARE MAGIC..

I have gone through your query and can understand your concerns..

As per your complain a large bruise over the side of knee seems to be due to rupture to small blood vessels leading to spillage of blood into the soft tissues leading to bruising and hematoma formation and at times the hematma gets encapsulated with inflammatory cells, broken fibres and ruptured blood vessels and inflamed tissue leading to a hard lump and it takes a comparitively longer time for almost a few months to resolve..
As you are able to walk easily there does not seems to be any bone fracture..
I would suggest you to apply heparin containing gel over the swelling and hard lump.
Do alternate warm and cool compresses..
You can also apply a numbing gel if there is pain..
Take Naproxen or diclofenac if there is pain..
Elevate you leg while lying down..

Hope this information helps..

Thanks and regards.
Dr.Honey Nandwani Arora.
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What Causes Large Bruise On Knee Caused After Injury?

Hi.. Welcome to HEALTHCARE MAGIC.. I have gone through your query and can understand your concerns.. As per your complain a large bruise over the side of knee seems to be due to rupture to small blood vessels leading to spillage of blood into the soft tissues leading to bruising and hematoma formation and at times the hematma gets encapsulated with inflammatory cells, broken fibres and ruptured blood vessels and inflamed tissue leading to a hard lump and it takes a comparitively longer time for almost a few months to resolve.. As you are able to walk easily there does not seems to be any bone fracture.. I would suggest you to apply heparin containing gel over the swelling and hard lump. Do alternate warm and cool compresses.. You can also apply a numbing gel if there is pain.. Take Naproxen or diclofenac if there is pain.. Elevate you leg while lying down.. Hope this information helps.. Thanks and regards. Dr.Honey Nandwani Arora.