title: Three-dimensional ultrasonography of choroidal melanoma: extrascleral extension.
abstract: OBJECTIVE
  To describe the results of three-dimensional ultrasonography used to evaluate extrascleral extension of a choroidal melanoma.
  
  
  METHODS
  Case report. The three-dimensional ultrasound system uses a 10-MHz B-mode transducer combined with a motorized rotating holder. The system acquires 180 sequential images that are stored and processed to create a three-dimensional block of the region of interest.
  
  
  RESULTS
  Unique coronal and oblique perspectives were obtained from interactive manipulation of the three-dimensional reconstruction. Examination of the three-dimensional image allowed us to detect the transscleral uveal-orbital connection. Extrascleral melanomatous extension was confirmed on histopathologic examination.
  
  
  CONCLUSIONS
  Three-dimensional ultrasonography is a promising imaging technique for evaluating melanomatous extrascleral extension.
authors.affiliation: Department of Ophthalmology, The New York Eye and Ear Infirmary, New York 10003, USA.
authors.forename: J M
authors.initials: JM
authors.lastname: Romero
authors.forename: P T
authors.initials: PT
authors.lastname: Finger
authors.forename: R
authors.initials: R
authors.lastname: Iezzi
authors.forename: R B
authors.initials: RB
authors.lastname: Rosen
authors.forename: R S
authors.initials: RS
authors.lastname: Cocker
mesh_terms: D002830:Choroid Neoplasms / Q000000981:diagnostic imaging* / Q000473:pathology; D015353:Eye Enucleation; D006801:Humans; D008297:Male; D008545:Melanoma / Q000000981:diagnostic imaging* / Q000473:pathology; D008875:Middle Aged; D009361:Neoplasm Invasiveness; D015422:Scleral Diseases / Q000000981:diagnostic imaging* / Q000473:pathology; D014463:Ultrasonography