Immune checkpoint inhibitor therapy-induced autoimmune polyendocrine syndrome type II and Crohn’s disease: A case report

Table 3 Thyroid function tests

Investigation	On admission	2 wk later	3 mo later	Reference range
T3 (nmol/L)	1.57	1.14	2.25	0.89 to 2.45
T4 (nmol/L)	191.37	128.27	132.69	62.68 to 150.84
TSH (µIU/mL)	< 0.01	0.01	3.84	0.35 to 4.94
FT3 (pmol/L))	5.27	3.87	4.71	2.63 to 5.71
FT4 (pmol/L)	24.1	16.27	10.91	9.1 to 19.24
TPO-Ab (IU/mL)	> 1000.00	> 1000.00	363	0 to 5.61
TG-Ab (IU/mL)	226.08	140.84	218	0 to 4.11

TSH: Thyroid stimulating hormone; TPO: Thyroid peroxidase; TG: Thyroglobulin.