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Query: UMLS:C0019625 (Rosai-Dorfman disease)
 763 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

A case of thyroid Rosai-Dorfman disease (RDD) without apparent lymphadenopathy in a 49-year-old woman with underlying euthyroid chronic autoimmune thyroiditis, as indicated by high thyroid autoantibodies titers, is presented. The initial presentation was that of a cold, hypoechogenic nodule of left thyroid lobe which increased in size during the two years of follow up, together with new ultrasonographic findings of the right lobe. No biochemical abnormalities were found apart from mild hypercalcemia. A near total thyroidectomy was performed. Histologically, the left lobe nodule as well as the right lobe lesions consisted of typical RDD cellular population, with the pathognomonic phenomenon of emperipolesis. Infiltration to the periphery of the gland was observed and three adjacent lymph nodes were also involved. The uninvolved thyroid parenchyma showed changes compatible with chronic autoimmune thyroiditis. No other localizations or systemic manifestations of RDD were revealed. Normocalcemia was restored promptly and the patient remains free of clinically overt disease one year post-operatively.
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PMID:Cold thyroid nodule as the sole manifestation of Rosai-Dorfman disease with mild lymphadenopathy, coexisting with chronic autoimmune thyroiditis. 1071 Feb 76

Rosai-Dorfman disease (RDD) with thyroid involvement is extremely rare; we herein present the sixth known case with a review of the previously reported five cases and discuss the clinicopathological characteristics of this entity. RDD with thyroid involvement has occurred only in females with a mean age of 56.3 years, which is significantly different from nodal RDD predominantly seen in young males. Besides this, autoimmune thyroiditis is frequently associated in RDD with thyroid involvement, which raises a suspicion of a common pathogenesis of both entities. RDD with thyroid involvement is commonly misdiagnosed preoperatively as thyroid malignancy with lymph node metastasis, which may lead to overtreatment and postoperative complication. Clinical presentations might be helpful for a preoperative differential diagnosis; while thyroid function, sonography, thyroid isotope scan, and fine needle aspiration have been less useful. All six cases were treated by surgery and complete remission was seen. However, two patients with a preoperative diagnosis of benign disease suffered from hypothyroidism due to total thyroidectomy.
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PMID:Thyroid involvement in Rosai-Dorfman disease. 1754 78