Fig. 5From: The role of ultrasonography in diagnosing acute closed volar plate injury of proximal interphalangeal jointVolar plate injury accompanied by lateral collateral ligament injury. High frequency ultrasonography image of type A volar plate injury of a 33-year-old male accompanied by lateral collateral ligament injury. The arrow in the left figure indicates the avulsion bony fragment of the middle phalangeal base, and the arrow in the right figure indicates the disruption of the lateral collateral ligament. PIP: proximal interphalangeal jointBack to article page