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February 10, 2012
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Mallet Finger (cont.)

Medical Author:
Sachin J Shah, MD
Coauthor:
Steven Nazario, MD
Medical Editor:
Scott H Plantz, MD, FAAEM
Medical Editor:
Francisco Talavera, PharmD, PhD
Medical Editor:
Richard Harrigan, MD

Mallet Finger Causes

Mallet finger occurs when the outermost joint of the finger isinjured. With mallet finger, the tendon on the back of the finger (not the palm side) is separated from the muscles it connects. Three types of injuries commonly occur:

  • The tendon is damaged, but no fractures (bone cracks or breaks) are present.

  • The tendon ruptures with a small fracture caused by the force of the injury.

  • The tendon ruptures with a large fracture.

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Mallet Finger Symptoms»
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Mallet Finger - Causes

The eMedicineHealth physician editors ask:

What was the cause of your mallet finger?

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Read What Your Physician is Reading on Medscape

Mallet Finger »

Loss of extensor tendon continuity at the distal interphalangeal joint (DIPJ) causes the joint to rest in an abnormally flexed position.

Read More on Medscape Reference »

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