title: Sialoblastoma of the parotid gland in a 13-year-old girl with multiple recurrences and long-term follow-up.
abstract: BACKGROUND
  Sialoblastoma is an extremely rare congenital salivary gland tumor of epithelial origin. It is usually localized in the parotid or submandibular gland and presents primarily at birth or in early childhood.
  
  
  METHODS
  We report a case of a 13-year-old girl with a sialoblastoma of the parotid gland presenting as an asymptomatic painless mass.
  
  
  RESULTS
  The patient showed multiple recurrences and, based on the histopathological finding of facial nerve infiltration, was treated surgically with total parotidectomy and facial nerve reconstruction.
  
  
  CONCLUSIONS
  Because of the rare occurrence of sialoblastoma, there is no evidence-based treatment of choice. The treatment should be individualized, taking into consideration the patient's age, the high locoregional recurrence rate, the local aggressive characteristics, and the potential metastatic activity of this rare tumor. A close follow-up of the patient is strongly recommended.
authors.affiliation: Department of Otolaryngology, Head and Neck Surgery, Siloah St. Trudpert Hospital, Pforzheim, Germany.
authors.forename: Panagiotis
authors.initials: P
authors.lastname: Saravakos
authors.affiliation: Department of Otolaryngology, Head and Neck Surgery, Siloah St. Trudpert Hospital, Pforzheim, Germany.
authors.forename: Joerg
authors.initials: J
authors.lastname: Hartwein
authors.affiliation: Institute of Pathology and Molecular Pathology, Pforzheim Hospital, Pforzheim, Germany.
authors.forename: Afshin
authors.initials: A
authors.lastname: Fayyazi
mesh_terms: D000293:Adolescent; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D009364:Neoplasm Recurrence, Local / Q000175:diagnosis* / Q000601:surgery*; D009373:Neoplasms, Germ Cell and Embryonal / Q000175:diagnosis* / Q000601:surgery*; D010307:Parotid Neoplasms / Q000175:diagnosis* / Q000601:surgery*; D013997:Time Factors; D016896:Treatment Outcome
keywords: childhood; parotid tumor; salivary malignancy; sialoblastoma