Extraocular silicone oil migration to orbit and retrolaminar region: case report and systematic review

Lam, Stacey C; Chan, Alex W.H.; Yuen, Hunter K L

doi:10.1007/s00417-020-04855-w

Cited by 6 publications

(12 citation statements)

References 59 publications

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Section: Discussionmentioning

confidence: 67%

“…To our knowledge, this is one of the largest subconjunctival silicone oil granulomas described in the literature, and it is a reminder to surgeons that silicone oil can migrate with scleral melt, with globe rupture, through both sutured and unsutured sclerostomies, and with or without a glaucoma implant. [1][2][3][4][5][6][7][8][9] Silicone oil migration is more likely when there is no lens, can occur even with inferiorly placed glaucoma implants, and has been reported for both valved and nonvalved implants. [2][3][4][5] Silicone oil migration can present as chemosis, eyelid swelling, an eyelid mass, ptosis, an orbital mass, a nasopharyngeal silicone oil polyp, and/or, as in this case, a subconjunctival mass and strabismus.…”

Section: Discussionmentioning

confidence: 99%

“…[2][3][4][5] Silicone oil migration can present as chemosis, eyelid swelling, an eyelid mass, ptosis, an orbital mass, a nasopharyngeal silicone oil polyp, and/or, as in this case, a subconjunctival mass and strabismus. [1][2][3][4][5][6][7][8][9] Silicone oil can also migrate intracranially, with or without an optic nerve pit. 8 Silicone oil granuloma formation after retina surgery, with or without a history of tube-shunt surgery, should be considered among postoperative complications.…”

Section: Discussionmentioning

confidence: 99%

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Large Subconjunctival Mass in a Patient With a History of Multiple Previous Ocular Surgeries

2022

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A 20-year-old woman presented with complaints of blurred vision in her left eye over several weeks and a growing, bulging left-eye mass. Her history was notable for bilateral colobomas involving the iris, optic nerve, and retina; congenital cataracts after lensectomy of the left eye; retinal detachment with proliferative vitreoretinopathy of the left eye requiring a scleral buckle and silicone oil; and intractable glaucoma in the left eye requiring a superior trabeculectomy, an inferotemporal Ahmed tube implant, and multiple diode cyclophotocoagulation treatments. Because of the high risk of retinal redetachment, the silicone oil was retained throughout the glaucoma procedures. The patient presented 9 months after the last cyclophotocoagulation procedure.At presentation, she was taking dorzolamide-timolol, brimonidine, netarsudil, and latanoprost for her left eye. Best-corrected visual acuity was 20/80 OD and light perception OS. Intraocular pressures (IOPs) were 11 mm Hg OD and 20 mm Hg OS. Examination of the left eye revealed a large, firm, pink subconjunctival mass inferotemporally near the Ahmed valve (Figure 1). There was a left hypertropia of more than 45°by Hirschberg test. The anterior chamber was deep with fine silicone oil bubbles superiorly. The aphakic left eye revealed a well-positioned tube. Cup-disc ratios were 0.7 OD and 0.8 OS. The retina was centrally attached under silicone oil with a stable peripheral tractional retinal detachment.

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Section: Discussionmentioning

confidence: 67%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

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Large Subconjunctival Mass in a Patient With a History of Multiple Previous Ocular Surgeries

2022

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“…In addition, the side effects of silicone oil on visual acuity include promoting preretinal proliferation and even causing macular fold [28] . Besides, there are many reports about the damage of optic nerve and optic chiasm caused by silicone oil drops [29] . In our study, the silicone oil group was better than the air group in terms of the closure rate and closure shape in MMHD2 because of the better efficacy of continuous top pressure.…”

Section: Discussionmentioning

confidence: 99%

Comparison of outcomes of idiopathic macular holes treated by vitrectomy with air or silicone oil tamponade based on the hole size

Yin¹,

Jin²,

Jia³

2022

Int J Ophthalmol

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AIM: To compare the efficacy of vitrectomy combined with air or silicone oil in the treatment of idiopathic macular hole (IMH). METHODS: According to the results of high-definition optical coherence tomography (HD-OCT), 75 cases (75 eyes) of IMH in stage II-IV (Gass stage) in the General Hospital of Chinese PLA from January 2017 to December 2019 were collected for this retrospective study. The best corrected visual acuity (BCVA) and minimum diameter of IMH (MMHD) were measured. Eyes underwent vitrectomy combined with internal limiting membrane peeling operation, and were divided into disinfection air group (30 eyes) and silicone oil group (45 eyes) according to the intraocular tamponade. For MMHD≤400 μm (MMHD1), there were 23 eyes in air group and 16 eyes in silicone oil group. For MMHD2>400 μm (MMHD2), there were 7 eyes in air group and 29 eyes in silicone oil group. One month after surgery, the closure rates of IMH and BCVA were compared and analyzed. According to HD-OCT, the closure shape was graded with A (bridge closure) and B (good closure). RESULTS: The closure rates of air group and silicone oil group were 86.67% and 95.56% respectively with no significant difference (P>0.05); For MMHD1, those of air group and silicone oil group were 95.65% and 100% respectively with no significant difference (P>0.05); For MMHD2, those of air group and silicone oil group were 57.14% and 93.10% respectively, and those of the silicone oil group were higher than the air group (P<0.05). There was no significant difference in the closure shape grade between MMHD1 air group and silicone oil group (P>0.05). The proportion of Grade B in MMHD2 silicone oil group was higher than that in the air group (P<0.05). BCVA of each group after operation was better than that before operation, and there was no significant difference between air group and silicone oil group. While among them, MMHD1 air group was better than silicone oil group (P<0.05), and there was no significant difference between MMHD2 air group and silicone oil group (P>0.05). CONCLUSION: For smaller IMH (≤400 μm), the efficacy of vitrectomy combined with air should be considered better than silicone oil; for larger IMH (>400 μm), the efficacy of silicone oil may be better than air.

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“…Intracranial migration of silicone oil is a rare complication in the setting of optic nerve anomaly 1 or lamina cribrosa damage. 2 Almost all reported cases have been asymptomatic and did not require intervention; several cases of headache have been reported, with one requiring a ventriculoperitoneal shunt. 3 Our patient had no headache or neurologic symptoms and did not require neurosurgical intervention.…”

Section: Discussionmentioning

confidence: 99%

A buoyant mass in the brain: Intraventricular migration of silicone oil

Guo

Jamiolkowski

Hassan

et al. 2022

American Journal of Ophthalmology Case Reports

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Extraocular silicone oil migration to orbit and retrolaminar region: case report and systematic review

Cited by 6 publications

References 59 publications

Large Subconjunctival Mass in a Patient With a History of Multiple Previous Ocular Surgeries

Large Subconjunctival Mass in a Patient With a History of Multiple Previous Ocular Surgeries

Comparison of outcomes of idiopathic macular holes treated by vitrectomy with air or silicone oil tamponade based on the hole size

A buoyant mass in the brain: Intraventricular migration of silicone oil

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