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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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What Causes Sharp Piercing Pain In Knee Post Trauma?

2 weeks ago I tipped over on my bike (learning clipless pedals) and fell directly on my knee. There were a few scratches and minimal bruising, but now if I kneel on my knee, it feels like a sharp shard of something is in there, though I don t feel anything when palpating it.
Mon, 21 Mar 2016
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General & Family Physician 's  Response
Thank you for your query.

Would you please clarify a few things for me?
1) is the area of injury inflamed (red), warm, swollen?
2) are you able to walk normally?
3) does it hurt only when you weigh on your knee or even when you completely flex your knee?

I would like to rule out prepatellar bursitis and patellar injury (fracture)
I recommend and X-ray and physical exam to check for these.

Anti inflammatory topical preparations and medications, ice packs, , rest and leg elevation relieve most injuries in a couple of weeks.
Local bone swelling ( site of impact) may take longer (about a month) to heal . massage gently with medicine, in circular motion and apply ice packs after 1 hour. thrice a day.
If a patellar fracture or bursitis is involved, further treatment is required. This may require surgery, cast, physiotherapy, aspiration or any collected.
fluid.
With appropriate treatment & physiotherapy, prognosis is excellent.
Please see your doctor (orthopedician) if the above measures don't help or pain remains constant or worsens.

Hope i've answered your query. Please let me know if this has been helpful.
Wish you good health and any further queries are most welcome
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What Causes Sharp Piercing Pain In Knee Post Trauma?

Thank you for your query. Would you please clarify a few things for me? 1) is the area of injury inflamed (red), warm, swollen? 2) are you able to walk normally? 3) does it hurt only when you weigh on your knee or even when you completely flex your knee? I would like to rule out prepatellar bursitis and patellar injury (fracture) I recommend and X-ray and physical exam to check for these. Anti inflammatory topical preparations and medications, ice packs, , rest and leg elevation relieve most injuries in a couple of weeks. Local bone swelling ( site of impact) may take longer (about a month) to heal . massage gently with medicine, in circular motion and apply ice packs after 1 hour. thrice a day. If a patellar fracture or bursitis is involved, further treatment is required. This may require surgery, cast, physiotherapy, aspiration or any collected. fluid. With appropriate treatment & physiotherapy, prognosis is excellent. Please see your doctor (orthopedician) if the above measures don t help or pain remains constant or worsens. Hope i ve answered your query. Please let me know if this has been helpful. Wish you good health and any further queries are most welcome