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Jul 28, 2023 · Base of Thumb metacarpal fractures can be extra-articular fractures, Bennett fractures (partial intra-articular), or Rolando fractures (complete intra-articular). Diagnosis can be made by orthogonal radiographs of the thumb.
- Extensor Pollicis Longus
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- Abductor Pollicis Longus
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- Extensor Pollicis Longus
Sep 14, 2022 · Rolando fracture is a three-part or comminuted intra-articular fracture-dislocation of the base of the thumb (proximal first metacarpal). It can be thought of as a comminuted Bennett fracture . On this page:
This article will attempt to summarize recent advancements within the realm of thumb trauma, with particular attention to Bennett fractures, Rolando fractures, and ulnar collateral ligament injuries.
Jul 5, 2013 · A Rolando fracture is an intra-articular, comminuted fracture at the base of the first metacarpal (Figure 39.2). Importance. It is important to identify a Bennett fracture due to its instability coupled with the need for early treatment with near anatomic reduction and fixation.
Jul 15, 2024 · When an intra-articular fracture of the 1 st metacarpal is comminuted, producing at least three parts, it is referred to as a Rolando fracture which has a worse prognosis. Treatment and prognosis. Non-operative treatment in a thumb spica cast for 3-4 weeks can be considered in stable, non-displaced fractures.
Jun 14, 2016 · Injuries to the base of the thumb metacarpal typically present with two patterns: Bennett’s fracture or Rolando’s fracture. Both fractures are characterized by inherent instability due to the ligamentous and tendinous insertions crossing the thumb carpometacarpal (CMC) joint.
May 7, 2019 · Bennett and Rolando fractures typically occur by an axial force on the thumb in flexion. Anatomy. Muscles acting at the first trapeziometacarpal (TM) joint include ( Figure 9.2 ): Abductor pollicis longus (APL)—inserts at the radial base of the metacarpal.
