Recurrent Silent Thyroiditis as a Sequela of Postpartum Thyroiditis

Table 1

Temporal profile of thyroid function test and thyroid uptake scan for the patient reported to be having recurrent thyroiditis.

Date	Free T4; (0.58–1.64 ng/dL)	T3; (87–178 ng/dL)	TSH; (0.35–3.5 mIU/mL)	24-h RAIU; (15–40%)	Diagnosis
November 2010; (1 month postpartum)	0.76	157	1.05	27.4%	Euthyroid
March 2011; (5 months postpartum)	2.09 ↑	212.6 ↑	0.00 ↓	0.6% ↓	Postpartum thyroiditis
December 2011			2.98		Euthyroid
May 2012; (19 months postpartum)	3.10 ↑	269.8 ↑	0.02 ↓		1st recurrent thyroiditis
November 2012	0.93		2.97		Euthyroid
February 2013	0.78	70.28 ↓	4.79 ↑		Hypothyroid
July 2013; (33 months postpartum)	3.11 ↑		0.01 ↓	0.8% ↓	2nd recurrent thyroiditis
September 2013	0.60		0.81		Euthyroid