Mucin-producing signet ring cell adenoma of the thyroid.
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2008-10-15
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Abstract
Signet ring cell adenoma of the thyroid, though rare, is well documented. This change is chiefly due to intracellular accumulation of thyroglobulin that appears mucinous. Awareness of this entity is important as it may closely simulate a metastatic mucin-secreting signet ring cell carcinoma. Although the mucinous material in signet ring cells has been reported to stain positive with thyroglobulin, in some cases it may not be so. We herein describe a rare case of a 46-year-old man who was hypothyroid and the mass removed from the thyroid showed a mucin-producing signet ring cell adenoma of the thyroid.
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Gulwani H, Chopra P. Mucin-producing signet ring cell adenoma of the thyroid. Indian Journal of Pathology & Microbiology. 2008 Oct-Dec; 51(4): 507-8