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Alessandra Tiberti, MD; Bertil Damato, MD, PhD; Paul Hiscott, PhD, FRCOphth,  FRCPath; Jiten Vora, MD, FRCP

Arch Ophthalmol. 2006;124:1497-1500.

	Since this article does not have an abstract, we have provided the first 150 words of the full text and any section headings.

Ectopic benign thyroid tissue outside the normal migration path of the thyroid is an extremely rare condition that, to our knowledge, has never been described in the eye. A 15-year-old boy was seen with a pink, multinodular tumor arising from the peripheral iris and the anterior chamber angle. An iridocyclectomy was performed. Histopathological examination of the resected tumor showed well-differentiated thyroid follicular tissue in the iris. Immunohistochemistry demonstrated immunoreactivity for nuclear thyroid transcription factor 1 and thyroglobulin. Well-differentiated follicular thyroid carcinoma was considered but was excluded by systemic examination and the absence of any evidence of other primary or secondary tumors after more than a year of surveillance. We concluded that the thyroid tissue in the iris of our patient was ectopic.

Ectopic thyroid tissue is a rare entity that usually occurs at the . . . [Full Text of this Article]

Report of a Case


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