Temporary hypothyroidism following subtotal thyroidectomy for Graves’ disease
Time (months)
1
2
3
4
5
6
7
12
Free T4 (pmol/l)
8
6
6
15
16
20
20
19
TSH (mU/l)
<0.05
23
60
21
5.6
1.2
1.6
1.1
Thyroxine (μg/day)
−
−
75
75
75
−
−
−
Time (months)
1
2
3
4
5
6
7
12
Free T4 (pmol/l)
8
6
6
15
16
20
20
19
TSH (mU/l)
<0.05
23
60
21
5.6
1.2
1.6
1.1
Thyroxine (μg/day)
−
−
75
75
75
−
−
−
Thyroxine in a dose of 75 μg daily was started at 3 months because of symptoms, but because of normal concentrations of serum T4 and TSH at 6 months treatment was stopped with no deterioration in thyroid function.
