Table 2.
Case no. | 1 | 2 | 3 | 4 | 5 | 6 |
---|---|---|---|---|---|---|
Group | A | A | B | B | B | B |
Sex/age | M/31 | M/69 | F/30 | M/39 | M/62 | M/28 |
Numbers of FB | Single | Multiple | Single | Multiple | Single | None |
Nature of FB | Metallic | Mixed | Nonmetallic | Nonmetallic | Nonmetallic | ∗ |
Reflective signal | High | High | Low | High | High | High |
Border of lesions | Clear | Unclear | Clear | Unclear | Unclear | Unclear |
Shadowing effect | Central | Central | Marginal | Central | Central | Negative |
Location depth | Indirect | Direct | Direct | Direct | Direct | Direct |
∗The case eventually proved to be free of FBs.