A Case of Refractory Hypothyroidism due to Poor Compliance Treated with the Weekly Intravenous and Oral Levothyroxine Administration

Figure 5

Serum thyroid hormone and TSH levels after the oral administration of a single bolus of LT4 (700 g). Eight days after the administration, serum FT4 and FT3 levels were 0.82 ng/dL and 1.26 pg/mL, respectively. Her serum TSH levels were 53.1 μIU/mL.