Goiter laboratory findings

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief:

Overview

An elevated/reduced concentration of serum/blood/urinary/CSF/other [lab test] is diagnostic of [disease name].

OR

Laboratory findings consistent with the diagnosis of [disease name] include [abnormal test 1], [abnormal test 2], and [abnormal test 3].

OR

[Test] is usually normal among patients with [disease name].

OR

Some patients with [disease name] may have elevated/reduced concentration of [test], which is usually suggestive of [progression/complication].

OR

There are no diagnostic laboratory findings associated with [disease name].

Laboratory Findings

• Laboratory testing for the following:
  • Serum TSH
  • Serum T3
  • Serum T4

Condition	T3	T4	TSH
Thyrotoxicosis	Increased	Increased	Supressed
T3 Toxicosis	2X (Increased Twice)	Normal	Supressed
Hypothyroidism	Lo/Normal	Low	Increased

• Serum thyroglobulin
• Serum cholesterol
• Thyroid autoantibody levels
• Thyroid scintigraphy