title: Sialolithiasis in an Accessory Submandibular Gland Identified by Magnetic Resonance Sialography.
abstract: Accessory submandibular gland is a very rare anatomical variant. There have been only 6 reported cases of this entity in the English literature, only 1 of which was identified using magnetic resonance imaging.
  
  
  
  We report the case of a 39-year-old female with symptoms of left submandibular sialoadenitis who was diagnosed of sialolithiasis within the left accessory submandibular gland by magnetic resonance sialography (MR-Si).
  
  
  
  The calculus was palpated near the submandibular papilla and was extracted by an intraoral approach. One-year follow-up revealed no evidence of recurrence.
  
  
  
  This is the first case reported to date in the English literature of a patient with sialolithiasis within an accessory submandibular gland diagnosed by MR-Si.
authors.affiliation: Hospital Fundación Jiménez Díaz, ENT Department, Madrid, Spain.
authors.forename: Alvaro
authors.initials: A
authors.lastname: Sanchez Barrueco
authors.affiliation: Hospital Fundación Jiménez Díaz, ENT Department, Madrid, Spain jes_santillan@yahoo.es.
authors.forename: Jessica
authors.initials: J
authors.lastname: Santillan Coello
authors.affiliation: Hospital Fundación Jiménez Díaz, Neuroradiology Department, Madrid, Spain.
authors.forename: Beatriz
authors.initials: B
authors.lastname: Sobrino Guijarro
authors.affiliation: Hospital Fundación Jiménez Díaz, ENT Department, Madrid, Spain.
authors.forename: Jose Miguel
authors.initials: JM
authors.lastname: Villacampa Aubá
authors.affiliation: Hospital Fundación Jiménez Díaz, ENT Department, Madrid, Spain.
authors.forename: Carlos
authors.initials: C
authors.lastname: Cenjor Español
keywords: advanced; dilation; head and neck pathology; salivary gland; salivary gland disorders