A member asked:

What could cause a mallet finger injury / bump on finger?

2 doctors weighed in across 2 answers
Dr. Randy Hauck answered

Specializes in Hand Surgery

Jamming the tip: Mallet fingers may be associated with a fracture of the distal phalanx and are almost always caused by hitting the tip of the finger.

Answered 7/5/2019

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Dr. Daniel Mass answered

Specializes in Orthopedic Surgery

A blow to the finger: A blow to the tip of the extended finger causes a mallet finger, either by tearing the tendon or causing a piece of bone to pull off with the tendon. These should be treated with splinting for 6-8 weeks.

Answered 1/5/2019

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