Four clinical cases of patients with an asymptomatic parotid mass diagnosed as FNS are presented. The patient's presentation, the diagnostic algorithm and surgical rationale are discussed. A review of the literature on FNSs is presented. [scienceopen.com]

• Asymptomatic

  An asymptomatic parotid mass is the main clinical presentation, and image studies and fine-needle aspiration biopsy do not usually give a conclusive diagnosis. [scienceopen.com]

The main purpose of this study of a case report and a literature review is to provide some surgical guidance for the treatment of this rare pathology. [scienceopen.com]