Finally I asked my family physician (aka primary care physician) about it, and he sent me off to an orthopedist. This is the same fellow who put me back together some years back when I fractured my hip. So I was a bit concerned that he might want to operate. But no. He took x-rays and determined that the knee is actually pretty sound (I’ll comment on that in a moment), but the pain was caused by bone rubbing on bone. He asked me if I wanted a cortisone shot. How long might that last, I asked. Possibly the rest of my life. So I had the needle, and the relief has been almost immediate. Let's see how long it actually lasts.
As to my ‘sound knee’, I could claim that I’m inhabited by a ghost because when I stand up, I c r e e e a k.
Funny headlines --
There's a good use of public funds!
They'll never find it. Too good a job.
Wow! What a surprise!
And here they were looking for candy canes.