Hasebe et al developed a grading system for tumor emboli in lymphatics of woman with infiltrating ductal carcinoma. The authors are from the National Cancer Center Hospital in Tokyo.
Parameters:
(1) tumor in lymph vessels
(2) mitoses in the tumor per high power field
(3) apoptotic figures in the tumor per high power field
Tumor in Lymph Vessels
Mitoses
Apoptotic Figures
Grade
none
NA
NA
0
present
0
0
1
present
>= 1
0
1
present
0
>= 1
1
present
1 to 4
>= 1
2
present
>= 1
1 to 6
2
present
> 4
> 6
3
The grade of tumor emboli correlates with:
(1) lymph node metastases
(2) tumor recurrence
(3) tumor-related death
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