Scaphoid Fracture: AI-Powered Imaging Assessment
Upload wrist X-rays or MRI for AI detection of scaphoid fractures including occult fractures. Private browser-based analysis with 4 AI models.
Overview
The scaphoid is the most commonly fractured carpal bone, accounting for 60-70% of all carpal fractures. Scaphoid fractures are notorious for being missed on initial X-rays (up to 20% are occult) and for complications including nonunion and avascular necrosis due to the retrograde blood supply. MRI is the gold standard for detecting occult scaphoid fractures when initial X-rays are negative. Our AI consortium evaluates both X-ray and MRI studies, identifying fracture location (waist, proximal pole, distal), displacement, and complications.
Common Symptoms
- Pain in the anatomical snuffbox after a fall on outstretched hand
- Swelling at the base of the thumb
- Pain with gripping or pinching
- Tenderness over the scaphoid tubercle
- Wrist pain that persists despite normal initial X-rays
- Reduced grip strength
Key Imaging Findings
- Fracture line through the scaphoid waist, proximal pole, or distal pole
- Bone marrow edema on MRI indicating occult fracture not visible on X-ray
- Fracture displacement and angulation measurement
- Humpback deformity indicating dorsal intercalated segment instability (DISI)
- Avascular necrosis of proximal pole (low T1 signal without enhancement)
- Nonunion with sclerotic fracture margins and cyst formation
Frequently Asked Questions
Why are scaphoid fractures often missed on X-ray?
Initial X-rays miss up to 20% of scaphoid fractures because non-displaced fractures can be very subtle and overlapping carpal bones obscure the fracture line. MRI has near 100% sensitivity and is recommended when clinical suspicion is high despite negative X-rays. Our AI analyzes both modalities to maximize detection.
Why is the scaphoid blood supply important?
The scaphoid has a retrograde blood supply entering primarily at the dorsal ridge. Proximal pole fractures can disrupt this blood supply, leading to avascular necrosis. This is why proximal pole fractures have higher nonunion and AVN rates. Our AI evaluates fracture location relative to blood supply anatomy.
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Medical Disclaimer: This page is for informational and educational purposes only. It does not constitute medical advice, diagnosis, or treatment. AI-generated analysis may contain errors. Always consult a qualified healthcare professional for medical decisions. Full Disclaimer