1 | 2 | 3 | 4 | |
---|---|---|---|---|
Cellularity | Marked | Moderate | Mild | Minimal |
Fibrocytes | 25% | 25~50% | 50~75% | 75% |
Vascularity | 15 BV/low PF | 11~15 BV/low PF | 6~10 BV/low PF | 6 BV/low PF |
Cells parallel | 25% | 25~50% | 50~75% | 75% |
Fibers parallel | 25% | 25~50% | 50~75% | 75% |
Fiber diameter | 25% | 25~50% | 50~75% | 75% |
Insertion histologic findings | C (+), R (−) | C (+), R (+), F (−) | C (+), R (+), F (+), Tidemark (−) | C (+), R (+), F (+), Tidemark (+) |