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result sql = Failure of TSH rise prior to radio-iodine therapy for thyroid cancer: implications for treatment.
Failure of TSH rise prior to radio-iodine therapy for thyroid cancer: implications for treatment.
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char = s;code = 115
char = ;code = 32
char = T;code = 84
char = S;code = 83
char = H;code = 72
char = ;code = 32
char = i;code = 105
char = s;code = 115
char = ;code = 32
char = r;code = 114
char = e;code = 101
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char = m;code = 109
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char = e;code = 101
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char = e;code = 101
char = d;code = 100
char = ,;code = 44
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char = o;code = 111
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = c;code = 99
char = r;code = 114
char = e;code = 101
char = a;code = 97
char = s;code = 115
char = e;code = 101
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = (;code = 40
char = 1;code = 49
char = 3;code = 51
char = 1;code = 49
char = );code = 41
char = I;code = 73
char = ;code = 32
char = u;code = 117
char = p;code = 112
char = t;code = 116
char = a;code = 97
char = k;code = 107
char = e;code = 101
char = .;code = 46
char = ;code = 32
char = I;code = 73
char = n;code = 110
char = ;code = 32
char = c;code = 99
char = o;code = 111
char = n;code = 110
char = t;code = 116
char = r;code = 114
char = a;code = 97
char = s;code = 115
char = t;code = 116
char = ,;code = 44
char = ;code = 32
char = w;code = 119
char = h;code = 104
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char = n;code = 110
char = ;code = 32
char = T;code = 84
char = S;code = 83
char = H;code = 72
char = ;code = 32
char = i;code = 105
char = s;code = 115
char = ;code = 32
char = s;code = 115
char = u;code = 117
char = p;code = 112
char = p;code = 112
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char = s;code = 115
char = s;code = 115
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = b;code = 98
char = y;code = 121
char = ;code = 32
char = f;code = 102
char = u;code = 117
char = n;code = 110
char = c;code = 99
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = i;code = 105
char = n;code = 110
char = g;code = 103
char = ;code = 32
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char = u;code = 117
char = m;code = 109
char = o;code = 111
char = u;code = 117
char = r;code = 114
char = ,;code = 44
char = ;code = 32
char = r;code = 114
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char = e;code = 101
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char = m;code = 109
char = e;code = 101
char = n;code = 110
char = t;code = 116
char = ;code = 32
char = m;code = 109
char = a;code = 97
char = y;code = 121
char = ;code = 32
char = s;code = 115
char = t;code = 116
char = i;code = 105
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char = l;code = 108
char = ;code = 32
char = b;code = 98
char = e;code = 101
char = ;code = 32
char = e;code = 101
char = f;code = 102
char = f;code = 102
char = e;code = 101
char = c;code = 99
char = t;code = 116
char = i;code = 105
char = v;code = 118
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result sql = We describe three patients with well-differentiated thyroid carcinoma in whom no rise in serum thyroid-stimulating hormone (TSH) was observed after the discontinuation of thyroid hormone. In one patient, TSH deficiency was due to panhypopituitarism secondary to the empty sella syndrome. This patient initially failed to respond to (131)I but was subsequently given purified porcine TSH prior to further (131)I therapy. This resulted in a significant fall in the thyroglobulin level. In two further patients, TSH levels were suppressed by functioning follicular thyroid cancer. There was an unexpectedly good (131)I uptake by metastases and they responded clinically. The failure of TSH levels to rise after thyroid hormone withdrawal should prompt investigation of the pituitary-thyroid axis. In patients with hypopituitarism, exogenous TSH is recommended, to increase the (131)I uptake. In contrast, when TSH is suppressed by functioning tumour, radio-iodine treatment may still be effective.

Publication: Clin Oncol (R Coll Radiol) 1999 ;11(4)::269-71.
Publication Date: 1999
Study Author(s): Nutting, C;Hyer, S;Vini, L;Harmer, C;
Institution: Royal Marsden Hospital, Sutton, UK.
Shortcut link to this study:
We describe three patients with well-differentiated thyroid carcinoma in whom no rise in serum thyroid-stimulating hormone (TSH) was observed after the discontinuation of thyroid hormone. In one patient, TSH deficiency was due to panhypopituitarism secondary to the empty sella syndrome. This patient initially failed to respond to (131)I but was subsequently given purified porcine TSH prior to further (131)I therapy. This resulted in a significant fall in the thyroglobulin level. In two further patients, TSH levels were suppressed by functioning follicular thyroid cancer. There was an unexpectedly good (131)I uptake by metastases and they responded clinically. The failure of TSH levels to rise after thyroid hormone withdrawal should prompt investigation of the pituitary-thyroid axis. In patients with hypopituitarism, exogenous TSH is recommended, to increase the (131)I uptake. In contrast, when TSH is suppressed by functioning tumour, radio-iodine treatment may still be effective.
PMID: 10473725

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