An Adolescent with Transient Hyperthyroxinemia after Blunt Trauma to Head and Neck

Table 1

Thyroid function tests of the patient.

	Day 1	Day 2	Day 28	Reference range
TSH (mU/L)	0.46	0.14	0.33	0.5–4.3
FT4 (pmol/L)	59.0	47.3	15.6	12–22
Anti-TPO antibodies (kU/L)			<30	<60
Anti-TSH receptor antibodies (U/L)			<0.1	<1.8

TSH = thyroid stimulating hormone; FT4 = Free thyroxine; TPO = thyroid peroxidase.