title: Technique of high-frequency endolaryngeal ultrasound.
abstract: OBJECTIVE
  We describe in detail the technique of in vivo endolaryngeal ultrasound during microlaryngoscopy, offering a number of practical suggestions which may be of use, especially to the otolaryngologist.
  
  
  METHODS
  Endosonography is a non-invasive imaging technology usually applied for the assessment of local tumour growth and regional lymph node metastases in the digestive tract.
  
  
  CONCLUSIONS
  Due to a penetrating depth of up to 25 mm and a high tissue resolution, endosonography also qualifies for use in the larynx. The technique may have a potentially important role in the intra- and post-operative investigation of laryngeal lesions bigger than 3 mm.
authors.affiliation: Department of Otorhinolaryngology, Head and Neck Surgery, Kantonsspital Aarau, Switzerland. marcel.kraft@gmx.ch
authors.forename: M
authors.initials: M
authors.lastname: Kraft
authors.forename: C
authors.initials: C
authors.lastname: Arens
mesh_terms: D019160:Endosonography / Q000295:instrumentation*; D006801:Humans; D007822:Laryngeal Neoplasms / Q000000981:diagnostic imaging* / Q000473:pathology; D007828:Laryngoscopy; D007830:Larynx / Q000000981:diagnostic imaging* / Q000473:pathology