title: [Examination of anterior proliferative vitreoretinopathy with ultrasound biomicroscopy].
abstract: OBJECTIVE
  To diagnose anterior proliferative vitreoretinopathy (a-PVR) with ultrasound biomicroscopy (UBM).
  
  
  METHODS
  The UBM images of 27 cases (27 eyes) of suspicious a-PVR from cases with retinal detachment with PVR were analyzed and compared with the images of B scan ultrasound and the findings during vitrectomy.
  
  
  RESULTS
  UBM diagnosis of a-PVR was found in 20 eyes with retinal circumferential contraction, and in 15 eyes with retinal anterior displacement. A-PVR was not diagnosed by UBM in 7 eyes. UBM images of a-PVR included: the pattern of dots and cords in vitreous proliferation, the echo augmentation and obvious central displacement of the retina with circumferential contraction. Besides, the trough, "angle" and "Z" shaped overlap of the retina were the characteristics of the retinal anterior displacement.
  
  
  CONCLUSIONS
  UBM plays an important role in the clinical diagnosis of a-PVR.
authors.affiliation: Zhongshan Ophthalmic Center, Sun Yat-sen University of Medical Sciences, Guangzhou 510060.
authors.forename: W
authors.initials: W
authors.lastname: Liu
authors.forename: Q
authors.initials: Q
authors.lastname: Wu
authors.forename: S
authors.initials: S
authors.lastname: Huang
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D000869:Anterior Eye Segment; D005260:Female; D006801:Humans; D008297:Male; D008853:Microscopy; D008875:Middle Aged; D012163:Retinal Detachment / Q000000981:diagnostic imaging; D014463:Ultrasonography; D018630:Vitreoretinopathy, Proliferative / Q000000981:diagnostic imaging* / Q000473:pathology