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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