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Table 4 Comedo-necrosis among non-maturing tumor island in oropharyngeal carcinomas

From: Histological subtypes and characteristic structures of HPV-associated oropharyngeal carcinoma; study with Japanese cases

Histological typea

Number of cases

HPV-OPCb

nHPV-OPCc

P value

Conventional SCC

    

KSCC

0/22(0%)

0/1(0%)

0/21(0%)

 

NKSCC

8/21(38.1%)

6/15(40.0%)

2/6(33.3%)

 

HSCC

4/11(36.4%)

4/7(57.1%)

0/4(0%)

 

Variant SCC

0/12(0%)

1/8(12.5%)

0/4(0%)

 

Total SCC

14/66(21.2%)

12/31(38.7%)

2/35(5.7%)

<0.001