Papillary thyroid carcinoma with thyroid-associated orbitopathy in a euthyroid state

Jin Sook Yoon, Helen Lew, Jeong Soo Park, Ki Hyun Nam, Sang Yeul Lee

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Abstract

PURPOSE: Thyroid cancers with concurrent thyroid-associated orbitopathy (TAO) are extremely rare. The present study reports 5 unusual cases of papillary thyroid microcarcinoma in patients presenting with TAO in an euthyroid state. METHODS: We retrospectively reviewed the records of 5 patients (4 female, 1 male) with no known history of thyroid disease, who initially presented with TAO and were subsequently found to have thyroid cancer. TAO was diagnosed by a combination of computed tomography and clinical symptoms and signs. All patients underwent routine serologic assessment of thyroid hormones and thyroid-related autoantibodies including thyrotropin-receptor antibodies, as well as imaging studies such as neck ultrasonography or thyroid scintiscan with I. RESULTS: Patients presented with asymmetric proptosis (cases 1-3), ocular motility restriction (cases 1-3), and eyelid retraction (cases 1-5). None of the patients showed clinical signs of hyperthyroidism, and all returned normal thyroid function test data. Thyroid nodules were detected by neck imaging; subsequent fine-needle aspiration biopsies were performed with the cytologic result of papillary carcinoma. In no cases did ophthalmic symptoms resolve following cancer treatment (e.g., thyroidectomy and radioactive iodine therapy). All patients were positive for thyroid-binding inhibiting immunoglobulin in low titers. CONCLUSIONS: Although coincident occurrence is rare, patients presenting with TAO should be carefully evaluated for the possible presence of papillary microcarcinoma, which can develop in a setting of systemic autoimmunity without inducing hyperthyroidism.

Original languageEnglish
Pages (from-to)187-191
Number of pages5
JournalOphthalmic Plastic and Reconstructive Surgery
Volume23
Issue number3
DOIs
Publication statusPublished - 2007 May 1

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All Science Journal Classification (ASJC) codes

  • Surgery
  • Ophthalmology

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