Sciatic neuropathy following endovascular treatment of a limb vascular malformation

BACKGROUND: Endovascular therapy for vascular malformations is one of the treatment options for limb vascular malformations. CASE PRESENTATION: A patient with a vascular malformation of the hip developed ipsilateral leg weakness immediately after endovascular embolization and sclerotherapy. Clinical and electrodiagnostic findings later confirmed an incomplete sciatic neuropathy. CONCLUSION: We propose that endovascular treatment compromised the patient's sciatic nerve either through direct neurotoxicity of the sclerosing agent or ischemic injury.