Long-Term Follow-Up of a Child with Autoimmune Thyroiditis and Recurrent Hyperthyroidism in the Absence of TSH Receptor Antibodies

Table 1

Initial and follow-up laboratory studies.

Date	Age; (yr)	Free T4; (0.9–1.4 ng/dL)	TSH; (0.5–4.3 mIU/L)	T3; (94–213 ng/dL)	TPO; (<35 IU/mL)	TG Ab; (<20 IU/mL)	TSI; (<140%)
07/17/2006	4 6/12	1.1	7.94	140
08/24/2006	4 7/12	1.1	9.26		<10	85
08/29/2007	5 7/12	1.05	4.49
10/23/2008	6 8/12	1.39	3.21
03/6/2009	7 1/12	2.8	<0.01		<10	312	90
04/30/2009	7 2/12	1.2		128	<10	279	107
12/2/2009	7 10/12	1.0	3.34	112	<10		96
06/16/2010	8 4/12	1.3	2.23	110	<10	61	100
12/28/2011	9 10/12	2.1	0.02				39
03/9/2012	10 1/12	1.0	0.24	77	12	399
07/5/2012	10 4/12	1.1	6.32
02/6/2014	11 11/12	1.5	1.77	102	<10	59	43

Normal ranges in parentheses.