Differential diagnosis and treatment of salivary secretory carcinoma and acinic cell carcinoma

Oral Oncol. 2021 Aug:119:105370. doi: 10.1016/j.oraloncology.2021.105370. Epub 2021 Jun 19.

Abstract

Secretory carcinoma (SC) and acinic cell carcinoma (AciCC) are two rare tumors originating in the salivary gland of the head and neck. Before the World Health Organization (WHO) classified SC as a new entity in 2017, the majority of SC cases were incorrectly diagnosed as AciCC. Indeed, they are similar in biological behaviors, clinical manifestations and histomorphological features. Especially, SC and zymogen granule-poor AciCC are difficult to differentiate, which brings a tough challenge in clinical diagnosis. This article provides an updated understanding of the differential diagnosis in SC and AciCC from two main perspectives: histopathology and molecular genetics. The targeted therapies for both tumors are also mentioned. It aims to give some hints in clinical diagnosis and treatment, in hopes that patients with adequate diagnosis could obtain the opportunityformore effective treatment.

Keywords: Acinic cell carcinoma; Diagnosis; Head and neck cancer; Pathology; Salivary gland; Secretory carcinoma; Therapy.

Publication types

  • Research Support, Non-U.S. Gov't
  • Review

MeSH terms

  • Biomarkers, Tumor
  • Carcinoma* / diagnosis
  • Carcinoma* / therapy
  • Carcinoma, Acinar Cell* / diagnosis
  • Carcinoma, Acinar Cell* / therapy
  • Diagnosis, Differential
  • Humans
  • Salivary Gland Neoplasms* / diagnosis
  • Salivary Gland Neoplasms* / therapy

Substances

  • Biomarkers, Tumor