Mallet Finger with Subluxated Joint
Presented by Dr. Pankaj Jindal · MS (Orthopaedics); Hand Surgery Fellowships (France, Michigan, Louisville)
Mallet Finger with Subluxated Joint
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Sign in to watchCreate a free accountA patient presented approximately 3 weeks after sustaining a bony mallet injury with a large dorsal articular fragment and subluxation of the distal interphalangeal (DIP) joint. Given the delayed presentation and anticipated softening of the fracture fragment, direct screw or K-wire fixation was considered liable to cause fragmentation. A fragment-sparing Ishiguro extension-block technique was therefore selected.
Discussion
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For a subacute bony mallet fracture with a large dorsal fragment and DIP subluxation, the Ishiguro technique offers a controlled, fragment-sparing method of restoring joint congruity. Success depends on correct extension-block wire placement, stable transarticular fixation, preservation of motion in uninvolved joints and planned rehabilitation after fracture healing.
Key takeaway
For a subacute bony mallet fracture with a large dorsal fragment and DIP subluxation, the Ishiguro technique offers a controlled, fragment-sparing method of restoring joint congruity. Success depends on correct extension-block wire placement, stable transarticular fixation, preservation of motion in uninvolved joints and planned rehabilitation after fracture healing.