factitious thyrotoxicosis

factitious thyrotoxicosis

Factitious hyperthyroidism Falsely elevated thyroid hormones due to intake of exogenous thyroid hormones Lab ↑ total T4, T3 resin uptake, free T4; ↓131I–RAIU by the thyroid. Cf Thyrotoxicosis.
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In 2008, Poon et al reported 3 patients found with factitious thyrotoxicosis secondary to herbal supplements for weight loss (40).
Factitious thyrotoxicosis and herbal dietary supplement for weight reduction.
In the differential diagnosis of recurrent thyrotoxicosis apart from silent thyroiditis, Hashimoto's thyroiditis, subacute thyroiditis, postpartum thyroiditis (1,4), and factitious thyrotoxicosis should be included.
Recurrence of thyrotoxicosis and the profession of the patient brings to mind factitious thyrotoxicosis which will also cause low uptake on thyroid scan, but in these cases, thyroglobulin levels will either be low or undetectable (10).
Although factitious thyrotoxicosis due to ingestion of [T.
These etiologies include Graves' disease, toxic adenoma, toxic multinodular goiter, factitious thyrotoxicosis, thyrotropin-producing pituitary tumors, and lymphocytic thyroiditis.
4] is also seen in factitious thyrotoxicosis induced by [T.
Serum thyroglobulin levels may have utility in distinguishing Graves' disease from factitious thyrotoxicosis.
The occupation of the patient is helpful and may raise the possibility of factitious thyrotoxicosis.