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BRIEF COMMUNICATION
Year : 2015  |  Volume : 63  |  Issue : 6  |  Page : 554-555

Exudative retinal detachment following strabismus surgery in Sturge-Weber syndrome


Department of Ophthalmology, Dongsan Medical Center, Keimyung University School of Medicine, Daegu, Republic of Korea

Date of Submission03-Jan-2015
Date of Acceptance15-Jun-2015
Date of Web Publication11-Aug-2015

Correspondence Address:
Prof. Yu Cheol Kim
Department of Ophthalmology, Dongsan Medical Center, Keimyung University School of Medicine, #56, Dalseong-ro, Jung-gu, Daegu 700-712
Republic of Korea
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0301-4738.162641

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  Abstract 

A 15-year-old boy with Sturge-Weber syndrome underwent strabismus surgery (oculus sinister [OS]) for the treatment of exotropia. The patient's visual acuity (OS) decreased to hand motion 10 days after the surgery. One month after the surgery, the patient's visual acuity decreased to light perception, and a fundus examination showed total exudative retinal detachment (OS).

Keywords: Retinal detachment, strabismus, Sturge-Weber syndrome


How to cite this article:
Kim YC, Lee SY, Kim KS. Exudative retinal detachment following strabismus surgery in Sturge-Weber syndrome. Indian J Ophthalmol 2015;63:554-5

How to cite this URL:
Kim YC, Lee SY, Kim KS. Exudative retinal detachment following strabismus surgery in Sturge-Weber syndrome. Indian J Ophthalmol [serial online] 2015 [cited 2020 Jun 5];63:554-5. Available from: http://www.ijo.in/text.asp?2015/63/6/554/162641

 Sturge- Weber syndrome More Details More Details (SWS) has ocular complications such as glaucoma, diffuse choroidal hemangioma, and buphthalmos. Diffuse choroidal hemangioma can lead to an exudative retinal detachment (ERD) and it may be triggered by glaucoma surgeries such as trabeculectomy and deep sclerotomy. [1],[2] We report the case of a patient with SWS and diffuse choroidal hemangioma who underwent uneventful strabismus surgery by an experienced surgeon; however, he suffered the complications of ERD.


  Case Report Top


A 15-year-old boy with SWS underwent recession of the lateral rectus muscle (oculus sinister [OS], 7.7 mm), resection of the medial rectus muscle (OS, 6.0 mm) and infratransposition of the horizontal muscle with 1/4 tendon width (OS) for the treatment of 30 prism-diopter sensory exotropia. The patient had port-wine stains (hemangioma) on the left side of his upper lid and forehead [Figure 1]a and angiomatous lesions involving the left occipito-temporo-parietal area. The patient had laser therapy for the treatment of the port-wine stains on his skin. Six years before the surgery, choroidal hemangioma and optic disc cupping enlargement were both identified on a fundus examination (OS) [Figure 1]b, and latanoprost ophthalmic solution (Xalatan ® , Pfizer Inc. NY, USA) was applied to the afflicted left eye. The patient's preoperative best corrected visual acuity (BCVA) was 1.0 (+0.50 diopter sphere/−0.50 dipopter cylinder ×180°) and 0.125 (−0.5 diopter sphere/−2.25 diopter cylinder ×180°) oculus dexter and OS, respectively. The BCVA (OS) decreased to hand motion 10 days after the surgery. One month after the surgery, the BCVA decreased to light perception; a slit lamp and fundus examination showed total ERD (OS) [Figure 2]a. B-scan ultrasonography revealed ERD with a huge dome-shaped choroidal hemangioma [Figure 2]b.
Figure 1: Preoperative findings. (a) Port wine stains on the left upper eyelid and forehead (postlaser treatment), (b) Choroidal hemangioma (tomato-catsup fundus, arrow heads) in fundus photograph

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Figure 2: Postoperative findings. (a) Severe exudative retinal detachment (ERD) is seen behind the lens, (b) A and B scan ultrasonography shows ERD (arrow heads) and a diffuse and thick choroidal hemangioma with high internal reflectivity (asterix)

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Pars plans vitrectomy (PPV) with internal drainage of the subretinal fluid (SRF), fluid-gas exchange, endolaser photocoagulation, intravitreal bevacizumab injection and silicone oil tamponade was performed. Eight days after the PPV, the BCVA was finger count 10 cm and some SRF on the macula remained.


  Discussion Top


Diffuse choroidal hemangioma can develop into a severe ERD, which can be induced by glaucoma surgery. [1],[3],[4] A sudden decompression of the globe during or after surgeries is thought to be the possible mechanism of ERD induction after ocular surgeries. To avoid the sudden drop in the intraocular pressure (IOP), nonpenetrating glaucoma surgery, such as deep sclerotomy is recommended in patients with SWS or choroidal hemangioma. [5] However, ERD following deep sclerotomy in SWS has also been reported. [2]

In the present case, ERD developed following strabismus surgery, and the ERD is presumed to have developed before the first follow-up because the BCVA at postoperative day 7 (the first follow-up after the strabismus surgery) was decreased to hand motion. This case shows that strabismus surgery can induce ERD in the patient with SWS and diffuse choroidal hemangioma, even though it does not penetrate the eyeball and does not decrease the IOP suddenly. It suggests that, without the sudden IOP drop, stimulation to the choroidal hemangioma such as manipulation of an eyeball or moderate change of IOP can induce ERD in some cases with SWS and diffuse choroidal hemangioma.

In filtering surgery, preoperative screening for choroidal hemangioma in SWS has been advocated, although there is a controversy regarding the need for posterior sclerotomy to prevent the intraoperative or postoperative chroidal hemorrhage or ERD. [4],[6] If surgical manipulation of the eyeball or diffuse hemangioma might be a stimulus to induce ERD, as in the present case, prophylactic posterior sclerotomy could be another trigger.

We could not find previous reports of ERD following strabismus surgery in SWS in a computerized search utilizing PubMed. Therefore, we report the case of ERD as a complication of strabismus surgery in SWS and further study is warranted to confirm that the screening for choroidal hemangioma before strabismus surgery in SWS should be recommended.

 
  References Top

1.
Bellows AR, Chylack LT Jr, Epstein DL, Hutchinson BT. Choroidal effusion during glaucoma surgery in patients with prominent episcleral vessels. Arch Ophthalmol 1979;97:493-7.  Back to cited text no. 1
[PUBMED]    
2.
Taherian K, Anand N. Exudative retinal detachment following deep sclerectomy in Sturge-Weber syndrome. Eye (Lond) 2007;21:842-3.  Back to cited text no. 2
[PUBMED]    
3.
Chavala SH, Williamson JF. Bilateral exudative retinal detachments in Sturge-Weber syndrome. Lancet 2013;382:259.  Back to cited text no. 3
    
4.
Mandal AK, Gupta N. Patients with Sturge-Weber syndrome. Ophthalmology 2004;111:606.  Back to cited text no. 4
    
5.
Rebolleda G, Muñoz-Negrete FJ. Nonpenetrating deep sclerectomy for Sturge-Weber syndrome. Ophthalmology 2001;108:2152-3.  Back to cited text no. 5
    
6.
Eibschitz-Tsimhoni M, Lichter PR, Del Monte MA, Archer SM, Musch DC, Schertzer RM, et al. Assessing the need for posterior sclerotomy at the time of filtering surgery in patients with Sturge-Weber syndrome. Ophthalmology 2003;110:1361-3.  Back to cited text no. 6
    


    Figures

  [Figure 1], [Figure 2]



 

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