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

 

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