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A member asked:
I have a callus like bump on the right thumb metacarpophalangeal joint. it was a scab and doesn't itchor hurt. what should i do?
4 doctors weighed in across 3 answers
Scar: It probably is scar/fibrous tissue, but could be a wart or foreign body. If it gets larger, red or hurts, i would get it checked.
Answered 3/26/2013
5.4k views
Differential: Includes scar from abrasion, a wart, a foreign body., skin lesion ranging from sun damage such as actinic keratosis to squamous cell carcinoma. If it looks like it doesn't belong get it looked at.
Answered 9/28/2016
5.4k views
Causes may vary: Many things can cause calluses. Some reasons that one may develop a callus include: viral infections (warts), friction, pressure, repedetive trauma, and a limitation of joint motion. Some genetic conditions may also cause people to develop calluses on the hands and the feet. Treatment depends on the cause of the problem. Have it evaluated by a professional and get the appropriate treatment.
Answered 12/10/2013
5.2k views
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