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KMID : 0360220220630100807
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Journal of the Korean Ophthalmological Society
2022 Volume.63 No. 10 p.807 ~ p.813
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Clinical Manifestations of Thyroid-associated Ophthalmopathy Accompanied by Thyroid Cancer
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Lee Seung-Hyeun
Lee Jeong-Kyu
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Abstract
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Purpose: To analyze the clinical manifestations of thyroid-associated ophthalmopathy accompanied by thyroid cancer.
Methods: We performed a retrospective chart review of 33 patients diagnosed at our ophthalmology department with both thyroid- associated ophthalmopathy and thyroid cancer. We performed thyroid function tests at the first visit and at diagnosis of the thyroid cancer, and recorded the type of thyroid cancer, thyroidectomy history, clinical activity score (CAS), exophthalmometry, margin reflex distance (MRD) 1, diplopia, follow-up duration of ophthalmopathy, and ocular treatments. We divided patients into two groups according to the time of diagnosis of thyroid ophthalmopathy and thyroid cancer.
Results: The average age of the 33 patients was 45.55 years, and eight and 25 were males and females, respectively. The average CAS score, exophthalmometry measurement, and MRD1 were 2.00 ± 1.67, 19.28 ± 3.24 mm, and 4.52 ± 1.58 mm, respectively. Patients whose ocular symptoms preceded the diagnosis of thyroid cancer tended to have a higher thyroid hormone level, CAS score, and exophthalmometry measurement, and required more ocular treatments, compared to the other patients. The average thyroid auto-antibody levels were increased in both groups. In patients whose ophthalmopathy preceded the thyroid cancer, exophthalmometry measurements were significantly decreased after thyroidectomy.
Conclusions: It is crucial to identify ophthalmopathy in association with thyroid cancer. Patients whose ocular symptoms started before the diagnosis of thyroid cancer may present with hyperthyroidism and severe ocular symptoms, and may need ocular treatments. Patients should be informed that thyroid-associated ophthalmopathy may develop after thyroidectomy or radioiodine therapy, and their ocular symptoms should be closely monitored.
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KEYWORD
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Radioactive iodine ablation, Thyroid cancer, Thyroid-associated ophthalmopathy, Thyroidectomy
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