Certified Hand Therapist (CHT) Practice Exam

What defines a Rolando fracture?

1. Fracture at the base of the fifth metacarpal

2. Intra-articular fracture of the base of the first metacarpal

3. Comminuted intra-articular fracture of the base of the first metacarpal

4. Fracture due to a wrist fall injury

The correct answer is: Comminuted intra-articular fracture of the base of the first metacarpal

A Rolando fracture is specifically characterized as a comminuted intra-articular fracture of the base of the first metacarpal. This type of fracture typically occurs at the thumb's metacarpophalangeal joint and presents as multiple fragments due to the explosive nature of the trauma. Its intra-articular nature means that the fracture extends into the joint surface, which can significantly affect the function and rehabilitation of the thumb if not properly treated. Recognizing the specific nature of this fracture is crucial for clinical assessment and treatment planning. The term "commuted" illustrates the complexity of the fracture, indicating that, unlike simpler fractures, Rolando fractures consist of multiple pieces that can complicate surgical intervention and healing. Understanding this definition helps in diagnosing and determining appropriate treatment methods, such as whether surgical fixation is necessary to ensure proper alignment and function of the thumb post-injury.