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Radiology, Vol 178, 429-431, Copyright © 1991 by Radiological Society of North America

ARTICLES

Differentiation of detached retina and vitreous membrane with color flow Doppler

AD Wong, PL Cooperberg, WH Ross and DN Araki
Department of Radiology, St Paul's Hospital, Vancouver, BC, Canada.

The sonographic criteria for diagnosis of retinal detachment and vitreous membranes are well established, and in most cases a diagnosis can be made. However, in difficult cases, differentiation between the two may be difficult. In this study the use of high-resolution color flow Doppler was evaluated for differentiating between retinal detachments and vitreous membranes. Sonographic evaluation, including color flow Doppler, was performed in 25 symptomatic eyes. Seven eyes had areas of retinal detachment, all of which had detectable blood flow within at least a portion of the detached retina. Fifteen eyes had vitreous hemorrhages or membranes in which no flow was detected. Two diabetic patients with vitreous membranes and no retinal detachment did have flow detectable within the neovascular membranes. Another patient, who had a complete choroid detachment after surgery, demonstrated good flow within the area of detachment. It is concluded that in difficult cases high-resolution color flow Doppler can enable differentiation of an area of retinal detachment from a vitreous membrane in a patient without diabetes.


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