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Neurology (Expert Forum)
Knee Pain
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Knee Pain
by D. Howard, Oct 26, 1999 12:00AM
I have a very quick question. A few days ago I began to experience pain on the outside of my right knee whenever I knelt or brushed against something. It is very sensitive to touch. It's kind of a sharp burning feeling. I thought I might have scraped or bruised it or something, but there is no redness or mark on the skin. There is also no sign of swelling. It doesn't hurt when I bend it or walk, but I work in construction and am on my hands and knees a lot. It is excruciating on contact with any hard surface, softer surfaces less painful. Any thoughts as to what could be causing this?
Doctor's Answer
by CCF Neuro[P] MD, RPS, Oct 26, 1999 12:00AM
Dear Daniel:
It is difficult to tell you for sure. What it might be is that you somehow damaged the small pain fibers in the area. As these nerves regenerate to their former location, they innervate (go to their old areas and also new areas) and sprout into new areas. This makes the area extremely sensitive. After time, some of these nerves will regress. If this is the case, you should get somewhat better over time, but probably not completely better. This usually happens when trauma to the area happens. There are desensitation creams that can help.
Another possibility is that you have mildly damaged the nerve that runs on the outside of the knee. If you pain or trouble everting your ankle, this might be the problem. This occurs when too much pressure has been put on the outside of the knee. If this is the case, with time this problem should go away, if the reason for the compression is resolved (more padding or shifting weight frequently).
Sincerely,
CCF Neuro MD
It is difficult to tell you for sure. What it might be is that you somehow damaged the small pain fibers in the area. As these nerves regenerate to their former location, they innervate (go to their old areas and also new areas) and sprout into new areas. This makes the area extremely sensitive. After time, some of these nerves will regress. If this is the case, you should get somewhat better over time, but probably not completely better. This usually happens when trauma to the area happens. There are desensitation creams that can help.
Another possibility is that you have mildly damaged the nerve that runs on the outside of the knee. If you pain or trouble everting your ankle, this might be the problem. This occurs when too much pressure has been put on the outside of the knee. If this is the case, with time this problem should go away, if the reason for the compression is resolved (more padding or shifting weight frequently).
Sincerely,
CCF Neuro MD
Sure, but since this problem just arose, likely not the major etiology of your sensitivity.
CCF Neuro MD