Table 1 Collective presentation of the clinicopathologic, epidemiologic, and A3B immunohistochemical characteristics of the studied cases.

From: Endogenous APOBEC3B overexpression characterizes HPV-positive and HPV-negative oral epithelial dysplasias and head and neck cancers

Lesions

Gender

Age (years)

Location

A3B H-Score

OEH (n = 13)

5 M:8 F

Mean = 57.3

Range = 30–96

Tongue (n = 7)

Buccal mucosa (n = 3)

Mandibular Vestibule (n = 2)

Palate (n = 1)

Median = 18.4

Range = 1.4–45.4

Low-grade OED (n = 43)

25 M:18 F

Mean = 64.1

Range = 28–92

Tongue (n = 32)

Buccal mucosa (n = 3)

Mandibular vestibule (n = 3)

Alveolar mucosa/gingiva (n = 2)

Palate (n = 2)

Floor of mouth (n = 1)

Median = 32.4

Range = 4.5–94.5

High-grade OED (n = 45)

22 M:23 F

Mean = 63.1

Range = 35–88

Tongue (n = 36)

Floor of mouth (n = 4)

Buccal mucosa (n = 2)

Mandibular vestibule (n = 2)

Palate (n = 1)

Median = 63.1

Range = 11.4–108

OSCC (n = 46)

22 M:24 F

Mean = 66.2

Range = 34–93

Tongue (n = 23)

Alveolar mucosa/gingiva (n = 8)

Floor of mouth (n = 5)

Mandibular vestibule (n = 5)

Palate (n = 4)

Lower lip (n = 1)

Median = 49

Range = 10.1–117

HPV+ (p16+) OED (n = 13)

12 M:1 F

Mean = 62.8

Range = 51–87

Floor of mouth (n = 4)

Tongue (n = 4)

Buccal mucosa (n = 2)

Alveolar mucosa/gingiva (n = 1)

Base of tongue (n = 1)

Palate (n = 1)

Median = 57.9

Range = 33.5–144

HPV+ (p16+) OPSCC (n = 46)

44 M:2 F

Mean = 59

Range = 43–82

Base of tongue (n = 21)

Tonsils (n = 17)

Glossotonsillar sulcus (n = 8)

Median = 60

Range = 20.5–171

  1. A3B APOBEC3B, OEH oral epithelial hyperplasia, OED oral epithelial dysplasia, OSCC oral squamous cell carcinoma, OPSCC oropharyngeal squamous cell carcinoma.