SOX10 and GATA3 in Adenoid Cystic Carcinoma and Polymorphous Adenocarcinoma

Brian D. Adkins, Ariana Geromes, Lily Y. Zhang, Rebecca Chernock, Katherine Kimmelshue, James Lewis, Kim Ely

Research output: Contribution to journalArticlepeer-review

7 Scopus citations

Abstract

Differentiating between adenoid cystic carcinoma (AdCC) and polymorphous adenocarcinoma (PAC) can be difficult on small biopsies and cytologic specimens. As such, further characterization of their immunophenotype may aid in distinction. Previous studies have found AdCC to be SOX10+/GATA3 variable and PAC to be GATA3 negative. SOX10 expression in PAC has, as yet, not been established. We performed GATA3 and SOX10 immunohistochemistry on whole sections of 25 cases each of AdCC and PAC (including both classic PAC and the cribriform variant) to assess whether these markers are of diagnostic utility in distinguishing between these entities. SOX10 was found to be positive in 100% of PAC and AdCC whereas GATA 3 was immunoreactive in 45% of AdCCs and 20% of PAC. While this is the first series to compare SOX10 and GATA3 staining in these two tumor types, their frequent expression and similar staining patterns render them of limited value in discriminating between these neoplasms.

Original languageEnglish (US)
Pages (from-to)406-411
Number of pages6
JournalHead and Neck Pathology
Volume14
Issue number2
DOIs
StatePublished - Jun 1 2020
Externally publishedYes

Keywords

  • Adenoid cystic carcinoma
  • GATA3
  • Polymorphous adenocarcinoma
  • Salivary gland
  • SOX10

ASJC Scopus subject areas

  • Pathology and Forensic Medicine
  • Otorhinolaryngology
  • Oncology

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