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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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Reason For Hard Bump Between Knuckles On Index Finger?

Hard bump between the 2 knuckles on index finger. It appeared suddenly last week & not going away. No pain and I just worked the 24 Hours of Daytona-I joke about it being a muscle developed working so hard for a week without doing anything like that for a long time.
Fri, 9 Dec 2016
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Orthopaedic Surgeon 's  Response
bump near the knuckles that is painless
3 factors
1)knuckles is near a joint its called mcp joint
2)its painless
3) and you have a history of strenuous activity

points out to a ganglion cyst
its a non cancerous fluid filled mass occuring near joints after trauma or strenuous activity
if its not painful treatment is just plain observation
it usually resolves on its own

aspiration of the cyst can be an option but theres a 50% chance itll go back
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Reason For Hard Bump Between Knuckles On Index Finger?

bump near the knuckles that is painless 3 factors 1)knuckles is near a joint its called mcp joint 2)its painless 3) and you have a history of strenuous activity points out to a ganglion cyst its a non cancerous fluid filled mass occuring near joints after trauma or strenuous activity if its not painful treatment is just plain observation it usually resolves on its own aspiration of the cyst can be an option but theres a 50% chance itll go back