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

To the best of our knowledge, this is the only reported case of isolated involvement by Rosai-Dorfman disease (RDD) of small, anterior cervical-midline lymph nodes, clinically presenting as a thyroid mass. Thyroid parenchymal involvement by RDD has been reported in only 3 cases in the literature. The present case shows involvement of RDD of a pretracheal and thyroid isthmic lymph node in a 38-year-old woman. The progressively enlarging, anterior neck mass was diagnosed as "lymph node" on a fine-needle aspiration biopsy specimen and subsequently interpreted to be an isthmic cyst on ultrasonography. A magnetic resonance imaging scan revealed foci of nodularity in the thyroid isthmus and pretracheal lymph node. Excisional biopsy of the 2 masses revealed typical features of sinus histiocytosis with massive lymphadenopathy in the lymph node. Review of the patient's previous fine-needle aspiration biopsy specimens also revealed the presence of similar features. Currently, the patient is well and has no other manifestation or recurrence of RDD.
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PMID:Rosai-Dorfman disease. Report of a case presenting as a midline thyroid mass. 1268 1

Rosai-Dorfman disease (RDD), otherwise known as sinus histiocytosis with massive lymphadenopathy, is a rare histiocytic syndrome of unknown etiology, dominated by histiocytic and lymphocytic infiltration of enlarged lymph nodes. Thyroid involvement is rare and its impact unknown. We report a case of RDD involving the thyroid, initially diagnosed and managed as anaplastic carcinoma, and review the literature for previously reported cases of thyroid involvement. A 71-year-old woman sought further evaluation after treatment elsewhere for a 4-month history of a rapidly enlarging goiter causing local compression. Pathology was reported to show anaplastic thyroid carcinoma with prominent histiocytic infiltration. On review, we found characteristic features of RDD within the thyroid and cervical lymph nodes. The patient showed serologic evidence of autoimmune thyroid disease. Two years after thyroidectomy, there was no evidence of recurrent disease. We have identified only three previously reported cases of RDD involving the thyroid, all of them in women. In all cases, the patient has survived without evidence of disease progression, suggesting that thyroid involvement may not change the generally good prognosis of RDD. The description of autoimmune thyroid disease in our case and in two of the three previously reported cases, suggests a link with autoimmune thyroid disease.
Thyroid 2003 Feb
PMID:Rosai-Dorfman disease of the thyroid masquerading as anaplastic carcinoma. 1269 98

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.
Thyroid 2007 May
PMID:Thyroid involvement in Rosai-Dorfman disease. 1754 78