ABSTRACT
Percutaneous sclerotherapy is a well-recognized treatment for management of low-flow vascular malformations. It is regarded as a safe and effective procedure, and there are very few reports of sight-threatening complications in the medical literature. We describe a case of a 12-year-old girl who developed severe orbital compartment syndrome due to a combination of orbital inflammation and hemorrhage, resulting in massive proptosis, severe chemosis, optic nerve compression, severe lagophthalmos, exposure keratitis and visual loss following bleomycin sclerotherapy for a right orbital and periorbital lymphaticovenous malformation. Despite presenting to the emergency eye clinic 5 days after the onset of her symptoms, when her vision was thought to be irretrievably lost, she had a surprisingly good visual outcome after medical and surgical intervention. Although sclerotherapy for low-flow vascular malformations of the orbit is generally safe, it can be complicated by severe sight-threatening orbital inflammation and hemorrhage for which urgent intervention is usually required. However, with adequate management, visual recovery may occur even after late presentation.
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