Thyroid : official journal of the American Thyroid Association
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Letter Case Reports
Fatal neck necrotizing cellulitis in a patient with Riedel's thyroiditis.
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The possibility of an association of Graves' disease (GD) with subsequent cancers has been previously reported. ⋯ GD patients have a higher risk of cancer, particularly thyroid and breast cancer sequent within six and three years respectively. Strategies for preventing thyroid and breast cancer are proposed.
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To evaluate the diagnostic role of core needle biopsy (CNB) in sonographically suspicious thyroid nodules with initially benign cytologic results through a histologic analysis of CNB specimens. ⋯ The histologic information obtained by analysis of CNB specimens may enable more confident diagnosis for benign nodules with suspicious US features and reduce the need for repetitive FNABs or diagnostic surgery.
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Case Reports
Lithium toxicity precipitated by thyrotoxicosis due to silent thyroiditis: cardiac arrest, quadriplegia, and coma.
Lithium is widely used to treat bipolar disorders. Lithium toxicity is generally caused by inappropriately high doses of lithium or impaired lithium excretion. Most lithium is eliminated via the kidneys and, since thyroid hormone increases tubular reabsorption of lithium, thyrotoxicosis could contribute to the development of lithium toxicity. We report a case of severe lithium toxicity that was apparently precipitated by the onset of thyrotoxicosis resulting from silent thyroiditis and dehydration. ⋯ Thyrotoxicosis may be a contributing cause of lithium toxicity, particularly if it is abrupt in onset and even with cessation of lithium therapy if renal function is compromised. Thyroid function should be assessed immediately in patients with suspected lithium toxicity.