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Войти в исследования Endocrine practice : official journal of the American College of Endocrinology and the American Association of Clinical Endocrinologists · 2008
Use of methotrexate to treat isolated Graves ophthalmopathy developing years after thyroidectomy and iodine 131 treatment of papillary thyroid cancer.
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Sanyal Pallabi, Bing-You Robert G, Braverman Lewis E
Аннотация
OBJECTIVE: To describe a case of Graves ophthalmopathy developing years after subtotal thyroidectomy and radioactive iodine treatment of papillary thyroid cancer.
METHODS: We present a case report including clinical and laboratory data. Current relevant literature is reviewed and summarized with regard to Graves ophthalmopathy.
RESULTS: In 2001, a 51-year-old woman presented with an asymptomatic thyroid nodule. Fine-needle aspiration biopsy results showed Hürthle cells, and the patient had a subtotal thyroidectomy in 2002. Stage 2 follicular variant of papillary thyroid carcinoma was diagnosed. She received radioactive iodine (I 131) therapy (94.8 mCi and 147.2 mCi) in 2003. Thyrotropin was suppressed with levothyroxine. The patient remained asymptomatic and had undetectable thyroglobulin antibodies. In 2007, her eyes became irritated (ie, erythematous, pruritic, watery). Thyroperoxidase and thyroglobulin antibodies were undetectable, but thyrotropin receptor antibody was elevated to 44% (reference range, <16%). On physical examination, moderate periorbital edema and conjunctival injection were present; orbital magnetic resonance imaging was normal. Computed tomography of her orbits showed symmetric bilateral exophthalmos and prominence of orbital fat. Other ophthalmologic etiologies were ruled out by 2 independent ophthalmologists. She had minimal improvement with oral and intravenous steroids. Subsequent treatment with methotrexate resulted in marked symptomatic improvement and lowered the thyrotropin receptor antibody level to 24%.
CONCLUSIONS: Isolated Graves ophthalmopathy in a patient after treatment of thyroid cancer and radioactive iodine ablation has not been previously reported. Methotrexate therapy may be a useful therapeutic approach in this setting.
METHODS: We present a case report including clinical and laboratory data. Current relevant literature is reviewed and summarized with regard to Graves ophthalmopathy.
RESULTS: In 2001, a 51-year-old woman presented with an asymptomatic thyroid nodule. Fine-needle aspiration biopsy results showed Hürthle cells, and the patient had a subtotal thyroidectomy in 2002. Stage 2 follicular variant of papillary thyroid carcinoma was diagnosed. She received radioactive iodine (I 131) therapy (94.8 mCi and 147.2 mCi) in 2003. Thyrotropin was suppressed with levothyroxine. The patient remained asymptomatic and had undetectable thyroglobulin antibodies. In 2007, her eyes became irritated (ie, erythematous, pruritic, watery). Thyroperoxidase and thyroglobulin antibodies were undetectable, but thyrotropin receptor antibody was elevated to 44% (reference range, <16%). On physical examination, moderate periorbital edema and conjunctival injection were present; orbital magnetic resonance imaging was normal. Computed tomography of her orbits showed symmetric bilateral exophthalmos and prominence of orbital fat. Other ophthalmologic etiologies were ruled out by 2 independent ophthalmologists. She had minimal improvement with oral and intravenous steroids. Subsequent treatment with methotrexate resulted in marked symptomatic improvement and lowered the thyrotropin receptor antibody level to 24%.
CONCLUSIONS: Isolated Graves ophthalmopathy in a patient after treatment of thyroid cancer and radioactive iodine ablation has not been previously reported. Methotrexate therapy may be a useful therapeutic approach in this setting.