Pathological grading | Description of pathological changes |
- | HK-2 cells were uniform in shape and size, and no obvious pathological change was found. |
+ | Individual cell degeneration, karyopyknosis and hyperchromatic were observed, the proportion of cytoplasm and nucleus was abnormal. |
++ | Focal or small flakes cell degeneration, karyopyknosis and hyperchromatic were observed, the proportion of cytoplasm and nucleus was abnormal. |
+++ | Large area diffuse cell degeneration, karyopyknosis and hyperchromatic were observed, the proportion of cytoplasm and nucleus was abnormal, loose arrangement between cells was found. |