Wallach's Interpretation of Diagnostic Tests: Pathways to Arriving at a Clinical Diagnosis (1243 page)

   Iodide deficiency goiter or iodide-induced goiter or lithium treatment

   External neck irradiation

   Postsubtotal thyroidectomy

   Neonatal period; increased in first 2–3 days of life due to postnatal TSH surge

   Thyrotoxicosis due to pituitary thyrotroph adenoma or pituitary resistance to thyroid hormone

   Euthyroid sick syndrome, recovery phase

   TSH antibodies

Decreased In

   Toxic multinodular goiter

   Autonomously functioning thyroid adenoma

   Ophthalmopathy of euthyroid Graves disease; treated Graves disease

   Thyroiditis

   Extrathyroidal thyroid hormone source

   Factitious

   Overreplacement of thyroid hormone in treatment of hypothyroidism