Ophthalmic surgery and lasers
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Ophthalmic Surg Lasers · Feb 1996
Case ReportsCluster headache presenting with orbital inflammation.
Acute, noninfectious orbital inflammations often defy a specific diagnosis despite a thorough medical evaluation and are grouped in the nonspecific diagnostic category of idiopathic inflammation of the orbit (pseudotumor). An atypical case of cluster headache presenting with intermittent migratory facial swelling and orbital inflammation, and 3 mm of exophthalmos simulating idiopathic orbital inflammation is presented. ⋯ After unsuccessful treatment directed at potential infectious and inflammatory causes, the patient responded well to methysergide, an established treatment for cluster headaches. A review of the known mechanism for this disorder, peripheral and central nervous system mechanisms of pain, and migratory angioedema reveals overlapping pathophysiology, clinical findings, and associated symptoms.