title: Penile sonoelastography for the localization of a non-palpable, non-sonographically visualized lesion in a patient with penile curvature from Peyronie's disease.
abstract: BACKGROUND
  Sonoelastography is an emerging ultrasound-based technique that allows characterization of tissue stiffness.
  
  
  OBJECTIVE
  The aim of this report is to present a case of significant penile curvature with a non-palpable, non-sonographically visualized plaque that was demonstrable with sonoelastography.
  
  
  METHODS
  A 60-year-old male presented with significant left penile curvature during erections. The penis was evaluated with physical exam followed by B-mode and color Doppler ultrasound. No evidence of plaque was identified with these modalities. Shear wave sonoelastography was pursued to further characterize the patient's Peyronie's disease.
  
  
  RESULTS
  An area of increased tissue stiffness that correlated with the site of maximum curvature was identified with shear wave sonoelastography and used to target intralesional injection therapy.
  
  
  CONCLUSIONS
  Sonoelastography provides an additional way to characterize, localize, and deliver therapy to a lesion in patients with Peyronie's disease and is particularly useful when palpation and B-mode ultrasonography have failed to demonstrate a plaque.
authors.affiliation: The Smith Institute for Urology, North Shore/Long Island Jewish Health System, New Hyde Park, NY, USA.
authors.forename: Gideon
authors.initials: G
authors.lastname: Richards
authors.forename: Etai
authors.initials: E
authors.lastname: Goldenberg
authors.forename: Henry
authors.initials: H
authors.lastname: Pek
authors.forename: Bruce R
authors.initials: BR
authors.lastname: Gilbert
mesh_terms: D054459:Elasticity Imaging Techniques; D006801:Humans; D015552:Injections, Intralesional; D008297:Male; D008875:Middle Aged; D010410:Penile Erection; D010411:Penile Induration / Q000000981:diagnostic imaging* / Q000188:drug therapy / Q000503:physiopathology; D010413:Penis / Q000000981:diagnostic imaging*
keywords: Diagnostic Testing; Penile Curvature; Peyronie's Disease; Sonoelastography; Ultrasound