"Plain radiography / CT "
"Ultrasound "
"Overall, a small fracture fragment (30 degrees of flexion to reduce the fragment and malalignment post-closed reduction are indicators for operative treatment 7."
Expected headings
"Gross anatomy"
"Plain radiography / CT "
"Ultrasound "
"When the volar avulsion fracture involves a significant portion of the articular surface, instability and dorsal dislocation of middle phalanx can occur. This is because a greater portion of the stabilising collateral ligaments is attached to the avulsed fragment."