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PHOTO ESSAY
Year : 2020  |  Volume : 68  |  Issue : 8  |  Page : 1651-1652

Myopic retinoschisis with intraretinal emulsified silicone oil appearing as a macular hyperoleon


Shri Bhagwan Mahavir Department of Vitreo Retinal Services, Medical Research Foundation, Sankara Nethralaya, Chennai, Tamil Nadu, India

Date of Submission29-Dec-2019
Date of Acceptance17-Mar-2020
Date of Web Publication24-Jul-2020

Correspondence Address:
Dr. Muna Bhende
Shri Bhagwan Mahavir Department of Vitreo Retinal Services, Medical Research Foundation, Sankara Nethralaya, 18 College Road, Chennai - 600 006, Tamil Nadu
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/ijo.IJO_2402_19

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  Abstract 


Keywords: Hyperoleon, intraretinal silicone oil, inverted hypopyon, myopic retinoschisis, pathologic myopia


How to cite this article:
Schouten IM, Palkar AH, Bhende M. Myopic retinoschisis with intraretinal emulsified silicone oil appearing as a macular hyperoleon. Indian J Ophthalmol 2020;68:1651-2

How to cite this URL:
Schouten IM, Palkar AH, Bhende M. Myopic retinoschisis with intraretinal emulsified silicone oil appearing as a macular hyperoleon. Indian J Ophthalmol [serial online] 2020 [cited 2020 Aug 15];68:1651-2. Available from: http://www.ijo.in/text.asp?2020/68/8/1651/290445

Ike M Schouten
Current affiliation: The Rotterdam Eye Hospital, Rotterdam, The Netherlands




A 51-year-old man with pathologic myopia (PM) was regularly reviewed. In 2010, he had undergone vitreoretinal surgery; vitrectomy with silicone oil (SO) tamponade (1300-centistokes) in the right eye for rhegmatogenous retinal detachment (RRD) and concurrent macular hole (MH). The SO was removed after 7 months. Best-corrected visual acuity (BCVA) remained stable in both eyes during 9-year follow-up: 6/24 in the right eye and 6/9 in the left eye. The anterior segment was clear in both eyes. In 2013, the fundus examination showed a posterior staphyloma with diffuse chorioretinal atrophy in both eyes. In the right eye, central retinal pigment epithelium and choroidal atrophy were observed with type II closure of the MH with an active classic choroidal neovascular membrane [Figure 1]a that was treated with intravitreal bevacizumab. In 2016, a small gray sheen was noticed in the superior macula [Figure 1]b. Three years later, the gray sheen covered the entire superior macula with a sharp horizontal margin superiorly [Figure 1]c.
Figure 1: Right eye follow-up fundus images showing PM with chorioretinal atrophy and a pigmented scar in 2013 (a). A small area with a gray sheen (white arrows) is seen in 2016 (b) with expansion to the entire superior half of the macula with a sharp horizontal margin inferiorly in 2019 (c)

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Corresponding swept-source optical coherence tomography (OCT) revealed macular retinoschisis with emulsified SO [Figure 2], seen as small hyperreflective spherical bodies,[1] filing the schitic spaces in the superior macula. Retinoschisis starting at the edge of the MH appeared to be the entry route for the SO.
Figure 2: Right eye vertical swept-source optical coherence tomography showing a full-thickness macular hole with macular myopic retinoschisis with small hyperreflective spherical bodies filling the schitic space in the superior half of the macula (between white arrows)

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  Discussion Top


Due to decreased contrast caused by fundus features of PM retinoschisis is usually difficult to appreciate on fundus examination.[2] Emulsified SO confined to the preretinal and sub-epiretinal membrane and subretinal space has been reported to manifest as a retinal hyperoleon due to its low specific gravity.[1],[3],[4],[5],[6] In reports on intraretinal SO, its presence is limited to small quantities.[3]

We report a case where a slow progression of retinoschisis in PM is visualized due to concurrent increase of intraretinal SO resulting in a hyperoleon configuration 9-years post-surgery. This demonstrates the confluent connection between the schitic spaces and makes the extent of the retinoschisis in the superior macula visible on fundus examination.

Declaration of patient consent

The authors certify that they have obtained all appropriate patient consent forms. In the form the patient(s) has/have given his/her/their consent for his/her/their images and other clinical information to be reported in the journal. The patients understand that their names and initials will not be published and due efforts will be made to conceal their identity, but anonymity cannot be guaranteed.

Financial support and sponsorship

Nil.

Conflicts of interest

There are no conflicts of interest.



 
  References Top

1.
Errera MH, Liyanage SE, Elgohary M, Day AC, Wickham L, Patel PJ, et al. Using spectral-domain optical coherence tomography imaging to identify the presence of retinal silicone oil emulsification after silicone oil tamponade. Retina 2013;33:1567-73.  Back to cited text no. 1
    
2.
Panozzo G, Mercanti A. Optical coherence tomography findings in myopic traction maculopathy. Arch Ophthalmol 2004;122:1455-60.  Back to cited text no. 2
    
3.
Filloy A, Rubio MJ, Comas C, Arias L. Inverted hypopyon in the posterior pole. Retina 2013;33:1088-9.  Back to cited text no. 3
    
4.
Gosse E, Lochhead J. Delayed presentation of emulsified subretinal silicone oil appearing as an inverse macular pseudohypopyon. JAMA Ophthalmol 2013;131:684-5.  Back to cited text no. 4
    
5.
Karth PA, Moshfeghi DM. Spectral-domain optical coherence tomography of emulsified subretinal silicone oil presenting as a macular inverted pseudohypopyon. Ophthalmic Surg Lasers Imaging Retina 2014;45:437-9.  Back to cited text no. 5
    
6.
Tripathy K, Chawla R. Inverse hypopyon (hyperoleon) at the posterior segment in pathological myopia. BMJ Case Rep 2017;2017. doi: 10.1136/bcr-2017-223416  Back to cited text no. 6
    


    Figures

  [Figure 1], [Figure 2]



 

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