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left foot dorsal-lateral surface hard painless bump seems to run along a tendon
I am a 68-year-old female, quite physically active, do a lot of walking and moderate amount of hiking. Noticed this small bump about a year ago. Doesn't give me any problem at all, but I'm just curious as to whether it might be a ganglion cyst or some form of arthritis. My understanding is that ganglions feel 'rubbery', but this feels quite hard, almost as hard as bone. It's on my left foot and I'm wondering if it may have been caused by prolonged and excessive uneven pressure because of a 'painful' right foot (e.g. bunions, corns, callouses, and what I suspect is a Morton's neuroma, etc). It seemed to almost disappear last summer after I did a lot of walking while in Europe, but has 'come back'. The photo I've attached may not be too clear, but if you look at the tendon running along the 5th metatarsal, you'll see a 'bump'midway along the dorsal surface. Any ideas?
It may very well be a ganglion cyst, but I cannot make that diagnosis just by looking at the picture. (I do see the bump you are talking about). Sometimes bumps like this are not always ganglions and for that reason you should have a doctor look at it to make sure it is nothing more than a ganglion.
Marc Mitnick DPM