Contents
Beyond X-rays: Advanced Imaging for Tricky Wrist Fractures
Published: May 17, 2024
Diagnosing certain wrist fractures can be like finding a needle in a haystack. Advanced imaging techniques are revolutionizing how we detect these elusive injuries.
The Limitations of Traditional X-rays
Standard wrist X-rays often miss fractures of small bones like the trapezium and trapezoid. These bones can be obscured by shadows from other carpal bones. Even when visible, the fracture lines may be too subtle to detect on plain films. This limitation can lead to missed diagnoses and delayed treatment.
CT Scans: Seeing the Unseen
Computed tomography (CT) scans provide detailed, cross-sectional images of the wrist. This allows for visualization of fractures that may be invisible on X-rays. CT is particularly useful for assessing the extent of fractures and whether they extend into joint surfaces. It can also reveal associated injuries to nearby bones or soft tissues.
MRI: Beyond Bones
Magnetic resonance imaging (MRI) offers unparalleled soft tissue detail. While it may not be the first choice for fracture diagnosis, MRI excels at detecting bone bruises, ligament injuries, and cartilage damage that often accompany fractures. It's also useful for identifying stress fractures that may not be visible on other imaging modalities.
Cone Beam CT: The New Kid on the Block
Cone beam CT (CBCT) is an emerging technology that offers high-resolution images with less radiation exposure than traditional CT. Studies have shown it to be highly sensitive for detecting carpal fractures, including those of the trapezium and trapezoid. CBCT can be performed quickly and may become the new standard for evaluating suspected wrist fractures.
Frequently Asked Questions
Not always, but it's often crucial for small bone fractures.
CBCT and MRI have lower radiation than traditional CT scans.
Often yes, but coverage varies by plan and medical necessity.
CT and CBCT are quick, while MRI can take 30-60 minutes.
Often yes, but complex cases may require expert interpretation.
The Bottom Line
Advanced imaging techniques are game-changers for diagnosing tricky wrist fractures, offering clearer pictures and better patient outcomes.
References
- Welling RD, Jacobson JA, Jamadar DA, et al. MDCT and radiography of wrist fractures: radiographic sensitivity and fracture patterns. AJR Am J Roentgenol 2008; 190:10.
- Neubauer J, Benndorf M, Ehritt-Braun C, et al. Comparison of the diagnostic accuracy of cone beam computed tomography and radiography for scaphoid fractures. Sci Rep 2018; 8:3906.
- Hidlay DT, Levine S. Isolated trapezoid fracture: four cases of a rare fracture on MRI. Radiol Case Rep 2020; 15:769.
This article has been reviewed for accuracy by one of the licensed medical doctors working for Doctronic. Always discuss health information with your healthcare provider.
AI Doctor Visit Required
Appointments available 24/7
Top licensed doctors
Available in all 50 states
Full service care
Prescriptions, referrals & treatment
No insurance needed
All notes available in Doctronic
15-min consultation. No hidden costs.
AI Doctor Visit Required
Please Chat With Our AI Doctor First
Our AI doctor assessment helps our human doctors prepare for your video visit and provide better care
For safety reasons we have been forced to end this consultation.
If you believe this is a medical emergency please call 911 or your local emergency services immediately.
If you are experiencing emotional distress, please call the the Suicide & Crisis Lifeline at 988 or your local crisis services immediately.
Contact us
You can also email us at help@doctronic.ai
We aim to reply within 5-7 days
How likely are you to recommend Doctronic to friends or family?