Table 1.
Demographic data and sonographic findings for group A.
| Axis (mm) | Internal | Internal | Bony | |||||
|---|---|---|---|---|---|---|---|---|
| Case | Sex | Age (y) | Longitudinal | Depth | Boundary | Echogenicity | Vascularity | Erosion |
| 1 | F | 30 | 4.8 | 3.0 | Fuzzy | Isoechoic | P | N |
| 2 | F | 43 | 3.4 | 2.1 | Clear | Hypoechoic | N | N |
| 3 | F | 61 | 6.2 | 3.2 | Fuzzy | Isoechoic | P | N |
| 4 | F | 45 | 3.2 | 2.3 | Clear | Hypoechoic | N | N |
| 5 | F | 25 | 4.3 | 2.2 | Clear | Hypoechoic | P | N |
| 6 | F | 21 | N/A | N/A | N/A | N/A | N/A | N/A |
F = female; M = male; P = positive; N = negative; N/A = not applicable.
Case 6 escaped diagnosis. Case 2 and 3 were misdiagnosed.