Orbital myositis, thyroid ophthalmopathy presenting with isolated trochlear nerve paralysis, cycsticercosis, multiple sclerosis, Lyme disease, and herpes zoster ophthalmicus should also be excluded in these patients (14,15,16,17).
Orbital myositis (OM) is an autoimmune disorder that is characterized by the inflammation of extraocular muscles.
Bilateral idiopathic orbital myositis in an infant.
Orbital Myositis, Idiopathic Inflammatory Myopathies--Recent Developments, Prof.
IgG4- related systemic disease as a cause of 'idiopathic' orbital inflammation, including orbital myositis and trigeminal nerve involvement.
Recurrent orbital myositis mimicking sixth nerve palsy: diagnosis with MR imaging.