Table 4

Immunohistochemical characteristics of basal cell neoplasms and adenoid cystic carcinomas
BCACs (n=7) BCAs with ci. (n=10) BCAs without ci. (n=10) ACCs (n=10)
Cytokeratin 5/6* 7 (100%) 9 (90%) 10 (100%) 3 (30%)
S100P protein 0 (0%) 1 (10%) 1 (10%) 5 (50%)
β-catenin** 7 (100%) 7 (70%) 10 (100%) 0 (0%)
CD117 4 (57%) 6 (60%) 10 (100%) 10 (100%)
EGFR 3 (43%) 2 (20%) 9 (90%) 5 (50%)
p53 0 (0%) 1 (10%) 2 (20%) 6 (60%)
Ki-67$ 0 (0%) 2 (20%) 2 (20%) 10 (100%)

*diffuse staining only; **nuclear staining only; $Ki-67 labeling index > 5%

ACC, adenoid cystic carcinoma; BCAC, basal cell adenocarcinoma; BCA, basal cell adenoma; ci., capsular invasion; EGFR, epidermal growth factor receptor.

Jung et al.

Jung et al. Diagnostic Pathology 2013 8:171   doi:10.1186/1746-1596-8-171

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