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Ultrasonographic 'Oil Droplet Phenomenon'

Ultrasonographic 'Oil Droplet Phenomenon' Abstract To the Editor. —We observed an interesting and unexpected ultrasonographic phenomenon in a patient whose silicone oil had been removed after successful vitreous surgery for proliferative vitreoretinopathy. During a routine postoperative slit-lamp examination, a few silicone oil droplets were observed circulating in the vitreous cavity. The retina was attached ophthalmoscopically. To document the retinal reattachment, we performed a combined A- and B-scan ultrasonographic examination. To our surprise, a highly reflective image appeared that resembled a shallow or localized retinal detachment (Fig 1). A moment later, the detachment disappeared and we observed highly reflectile short linear images within the vitreous cavity (Fig 2). The images were found to be circulating in a counterclockwise direction.Our explanation of this interesting phenomenon is as follows: the linear reflections were caused by silicone oil droplets. These reflections temporarily consolidated adjacent to the retinal surface and resembled a shallow retinal detachment. This phenomenon is caused References 1. Shugar JK, de Juan E Jr, McCuen BW, Tiedeman T, Landers MR III, Machemer R. Ultrasonic examination of the silicone-filled eye: theoretical and practical considerations . Graefes Arch Clin Exp Ophthalmol . 1986;224:361.Crossref http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Archives of Ophthalmology American Medical Association

Ultrasonographic 'Oil Droplet Phenomenon'

Henneken, Anne; Machemer, Robert
Archives of Ophthalmology , Volume 109 (3) – Mar 1, 1991
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Ultrasonographic 'Oil Droplet Phenomenon'

Abstract

Abstract To the Editor. —We observed an interesting and unexpected ultrasonographic phenomenon in a patient whose silicone oil had been removed after successful vitreous surgery for proliferative vitreoretinopathy. During a routine postoperative slit-lamp examination, a few silicone oil droplets were observed circulating in the vitreous cavity. The retina was attached ophthalmoscopically. To document the retinal reattachment, we performed a combined A- and B-scan ultrasonographic...
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Publisher
American Medical Association
Copyright
Copyright © 1991 American Medical Association. All Rights Reserved.
ISSN
0003-9950
eISSN
1538-3687
DOI
10.1001/archopht.1991.01080030022015
Publisher site
See Article on Publisher Site

Abstract

Abstract To the Editor. —We observed an interesting and unexpected ultrasonographic phenomenon in a patient whose silicone oil had been removed after successful vitreous surgery for proliferative vitreoretinopathy. During a routine postoperative slit-lamp examination, a few silicone oil droplets were observed circulating in the vitreous cavity. The retina was attached ophthalmoscopically. To document the retinal reattachment, we performed a combined A- and B-scan ultrasonographic examination. To our surprise, a highly reflective image appeared that resembled a shallow or localized retinal detachment (Fig 1). A moment later, the detachment disappeared and we observed highly reflectile short linear images within the vitreous cavity (Fig 2). The images were found to be circulating in a counterclockwise direction.Our explanation of this interesting phenomenon is as follows: the linear reflections were caused by silicone oil droplets. These reflections temporarily consolidated adjacent to the retinal surface and resembled a shallow retinal detachment. This phenomenon is caused References 1. Shugar JK, de Juan E Jr, McCuen BW, Tiedeman T, Landers MR III, Machemer R. Ultrasonic examination of the silicone-filled eye: theoretical and practical considerations . Graefes Arch Clin Exp Ophthalmol . 1986;224:361.Crossref

Journal

Archives of Ophthalmology – American Medical Association

Published: Mar 1, 1991

References

  • Ultrasonic examination of the silicone-filled eye: theoretical and practical considerations
    Shugar JK, de Juan E Jr, McCuen BW, Tiedeman T, Landers MR III, Machemer R

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