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Table 4 Mitotic activity and Ki-67 immunoreactivity of gangliocytic paraganglioma

From: Gangliocytic paraganglioma: a multi-institutional retrospective study in Japan

 

Epithelioid cells

Spindle-shaped cells

Ganglion-like cells

cases

Mitotic activity

Ki-67 immunoreactivity

Mitotic activity

Ki-67 immunoreactivity

Mitotic activity

Ki-67 immunoreactivity

1

0 / 1289

7 / 1289 (0.54%)

0 / 1041

3 / 1041 (0.29%)

0 / 4

0 / 4 (0.00%)

2

0 / 1097

5 / 1097 (0.46%)

0 / 1189

4 / 1189 (0.34%)

0 / 4

0 / 4 (0.00%)

3

0 / 1403

6 / 1403 (0.43%)

0 / 1349

2 / 1349 (0.15%)

0 / 103

0 / 103 (0.00%)

4

0 / 1213

5 / 1213 (0.41%)

0 / 1001

6 / 1001 (0.60%)

0/ 7

0/ 7 (0.00%)

5

0 / 1043

4 / 1043 (0.38%)

0 / 1076

3 / 1076 (0.28%)

0 / 4

0/ 4 (0.00%)

6

0 / 1128

9 / 1128 (0.80) %

0 / 1007

2 / 1007 (0.20%)

0 / 31

0 / 31 (0.00%)

7

0 / 1343

4 / 1343 (0.30%)

0 / 1192

3 / 1192 (0.25%)

0/ 38

0/ 38 (0.00%)

8

0 / 1021

3 / 1021 (0.29%)

0 / 1165

3 / 1165 (0.26%)

0 / 71

0 / 71 (0.00%)

9

0 / 1321

3 / 1321 (0.23%)

0 / 1063

2 / 1063 (0.28%)

0 / 48

0 / 48 (0.00%)

10

0 / 1081

2 / 1081 (0.19%)

0 / 1288

1 / 1288 (0.08%)

0 / 46

0 / 46 (0.00%)

11

0 / 1013

1 / 1013 (0.10%)

0 / 1362

11 / 1362 (0.81%)

0 / 12

0 / 12 (0.00%)

12

0 / 1111

1 / 1111 (0.09%)

0 / 1111

1 / 1141 (0.09%)

0/ 14

0/ 14 (0.00%)

  1. Legend: In the present study, epithelioid, spindle-shaped, and ganglion-like cells showed no mitotic activity. In addition, the Ki-67 labeling index of them ranged from 0.09 to 0.80%, 0.08 to 0.81%, and 0.00%, respectively.