Riedel's thyroiditis is a rare form of chronic thyroiditis, characterised by a fibroinflammatory process that partially destroys the thyroid and often involves surrounding tissues. The relationship of Riedel's thyroiditis to other forms of thyroiditis is not clear. A case of Riedel's thyroiditis in a 51-year-old woman presenting with symptoms of subacute thyroiditis, is reported. She was diagnosed with subacute thyroiditis based on clinical manifestation and laboratory results. She was treated with glucocorticoids for six weeks, and then followed-up for 12 months. Three years later, she visited with tenderness and enlargement of thyroid mass, and laboratory and radiology findings suggested that she had a malignant thyroid tumor as well as subacute thyroiditis. After thyroidectomy, histopathologic findings showed that she had Riedel's thyroiditis in the presence of subacute thyroiditis. Until now, few cases of Riedel's thyroiditis in patients with a history of subacute thyroiditis have been reported in the literature. Although the etiology of Riedel's thyroiditis is unknown, it may develop in the course of subacute thyroiditis.
"Two women, first diagnosed with sub-acute thyroiditis, developed an enlargement of the thyroid gland and symptoms of compression eight months and three years later, respectively. Post-operative histopathologic evaluation showed Riedel's thyroiditis characteristics associated with sub-acute thyroiditis [127,128]. "
[Show abstract][Hide abstract] ABSTRACT: Viral infections are frequently cited as a major environmental factor involved in subacute thyroiditis and autoimmune thyroid diseases This review examines the data related to the role of viruses in the development of thyroiditis.
Our research has been focused on human data. We have reviewed virological data for each type of thyroiditis at different levels of evidence; epidemiological data, serological data or research on circulating viruses, direct evidence of thyroid tissue infection. Interpretation of epidemiological and serological data must be cautious as they don't prove that this pathogen is responsible for the disease. However, direct evidence of the presence of viruses or their components in the organ are available for retroviruses (HFV) and mumps in subacute thyroiditis, for retroviruses (HTLV-1, HFV, HIV and SV40) in Graves's disease and for HTLV-1, enterovirus, rubella, mumps virus, HSV, EBV and parvovirus in Hashimoto's thyroiditis. However, it remains to determine whether they are responsible for thyroid diseases or whether they are just innocent bystanders. Further studies are needed to clarify the relationship between viruses and thyroid diseases, in order to develop new strategies for prevention and/or treatment.
[Show abstract][Hide abstract] ABSTRACT: The paper reports a female patient treated surgically for Riedel's goitre. A total of 4775 patients were treated surgically between 1 January 2000 and 31 December 2007 for various types of goitres. Thyroiditis was diagnosed in 193 (4.0%) cases. Among them Riedel's goitre was found in one (0.5%).
A 51-year-old woman P.G. (case record No. 1377/2007) was admitted to our hospital with considerable dyspnea, both inspiratory and expiratory, accompanied by marked stridor and retrosternal goitre, the latter suspected of neoplasmic process. Thyroid gland was hard, its left lobe extending behind the sternum. No disorders in thyroid hormonal function or high antibody titre against thyroid peroxidase were observed. Ultrasonography revealed large thyroid gland with mediastinal invasion, nodulated and hypoechogenic. Fineneedle biopsy suggested thyroid colloidal tumor. X-ray of the chest and neck revealed wide upper portion of the mediastinum and narrow trachea. Laryngological examination confirmed paralysis of left vocal fold. The patient was operated under general endotracheal anesthesia. Both thyroid lobes were partially resected together with the isthmus, and malacic trachea was decompressed. No complications were observed during postoperative period. Paraffin histopathological examination confirmed the presence of Riedel's goitre. The patient was discharged in general good condition. She was under regular follow-up control and died 1.5 year after operation from further progress of the disease.
Clinical course of Riedel's goitre may cause remarkable diagnostic problems, and requires a differentiation with thyroid malignant tumor. Surgical treatment of Riedel's goitres helps to quickly obtain correct diagnosis and improve both clinical condition and life comfort of the patients.
Endokrynologia Polska 01/2009; 60(6):488-91. · 0.99 Impact Factor
[Show abstract][Hide abstract] ABSTRACT: Subacute thyroiditis is an inflammatory disease of the thyroid gland, most probably preceded by viral infection. Common symptoms include fever, thyroid tenderness associated pain, and initial hyperthyroidism sometimes followed by a transient period of hypothyroidism with generally favourable outcomes as self-limited entity. It was known that it may be confused with pharyngitis; however search on Medline using key words (dental pain, subacute thyroiditis, and differential diagnosis) in combination recently produced no reports. Herein, we report a case of subacute thyroiditis associated pain, which was initially mistaken and treated as pain of dental origin after otorhinolaryngologic examination revealed no pathology. The aim of this communication is to remind that thyroiditis as part of differential diagnosis should be considered in patients with unexplained dental pain to avoid unnecessary diagnostic procedures, which increase expenses and may delay appropriate therapeutic measures.
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