Superior ophthalmic vein thrombosis as an initial manifestation of antiphospholipid syndrome.

PURPOSE: To report an uncommon case of superior ophthalmic vein occlusion secondary to antiphospholipid syndrome. METHOD: Interventional case report. RESULT: A 41 year old man who presented with acute proptosis and ophthalmoplegia who was initially treated for orbital cellulitis. His CT scan showed changes consistent of that a superior ophthalmic vein thrombosis. He was managed with high dose intravenous steroid and commenced on anticoagulant therapy. He was subsequently diagnosed with antiphospholipid syndrome. CONCLUSION: Although superior ophthalmic vein occlusion is rare it is an important differential. This is the first reported case secondary to antiphospholipid syndrome.