Table 2.
Ultrastructural Criteria |
---|
Irregular cell surface |
Loss of contact with basement membrane |
Cytoplasmic vacuolization |
Cell swelling |
Irregular cytoplasmic material |
Score | |
---|---|
0 | No lesions |
1 | 1 criterion |
2 | 2 criteria present |
3 | 3–4 criteria present |
4 | All 5 criteria present |