Orbital irradiation for thyroid orbitopathy: 4 years experience
Objective: To review the practice of orbital irradiation in thyroid orbitopathy.
Methods: Review of the records of patients who received orbital irradiation for thyroid orbitopathy between June 1995 and June 1999. Twenty four patients were treated with a radiotherapy protocol. The practice of radiotherapy was analyzed and various clinical parameters were mea- sured to document the response during follow up.
Results: Radiotherapy was used as first-line treatment for 7 patients (29%) and as second-line treatment for 9 (38%), while 8 patients (33%) had combined therapy with steroids. Soft tissue signs and compressive optic neuropathy showed the most favorable outcome while ocular motility and proptosis had a less positive outcome. No ocular complications were detected during follow-up.
Conclusion: Orbital irradiation is a safe and effective way of treating active thyroid orbitopathy.
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