Table 2 The image examination results of acute closed mallet finger (radiologist A).
From: The Role of High Frequency Ultrasonography in Diagnosis of Acute Closed Mallet Finger Injury
| Â | US (36 cases) | X-ray(36 cases) | MR(36 cases) |
|---|---|---|---|
Avulsion fracture without extensor tendon rupture | 9 | 9 | 9 |
Complete tendon rupture without fracture | 23 | — | 22 |
Contusion of extensor tendons | 4 | — | 5 |