title: A method to improve the accuracy of ultrasound geometrical measurements of boundaries in soft tissue.
abstract: The geometric distortion due to the neglect of refraction in existing ultrasound scanners is demonstrated. An iterative technique to correct for refraction errors in B-mode ultrasound, denoted Second Order Refraction Transposition (SORT), is presented. In vitro experiments were performed that confirm the calculated results.
authors.affiliation: Biodynamics Research Unit, Mayo Clinic, Rochester, MN 55905.
authors.forename: V
authors.initials: V
authors.lastname: Goldberg
authors.forename: A T
authors.initials: AT
authors.lastname: Pryor
authors.forename: D L
authors.initials: DL
authors.lastname: Parker
mesh_terms: D000465:Algorithms; D000818:Animals; D002417:Cattle; D003198:Computer Simulation; D003238:Connective Tissue / Q000033:anatomy & histology*; D006801:Humans; D008961:Models, Structural; D014463:Ultrasonography / Q000379:methods*