Nephrotic Syndrome as a Cause of Transient Clinical Hypothyroidism

Table 1

Description of evolution of thyroid function tests over time under different doses of LT, before and after nephrectomy.

Date	15.3.2019	8.4.2019	16.4.2019	29.4.2019	13.5.2019	26.6.2019	∗8.7.2019	11.9.2019	20.03.2020
LT dose/day	—	—	50 μg	100 μg	112 μg	125 μg	125 μg	75 μg	—
TSH (μUI/mL) (RR: 0.3–3.18)	2.77	17.40	11.60	7.94	2.66	1.71	2.47	0.15	0.91
fT4 (μg/dL) (RR: 1.01–1.65)		0.33	0.74	0.71	0.77	0.65	0.93	1.29	1.39
fT3 (pg/mL) (RR: 2.66–4.33)		0.81	0.84	0.39	0.53		1.67	2.74
Total T4 (μg/dL) (RR: 5.56–9.91)		1.8	1.8					5.4
Total T3 (ng/mL) (RR: 0.83–1.49)		0.4	0.3					0.8

Bilateral nephrectomy (2.7.2019).