Quantitative comparison of technetium-99m tetrofosmin and thallium-201 images of the thyroid and abnormal parathyroid glands

The aim of the study was to quantitatively compare the scintigraphic images of the thyroid and abnormal parathyroid glands obtained with technetium-99m tetrofosmin and thallium-201 in patients with hyperparathyroidism. Forty-six patients with hyperparathyroidism underwent (201)Tl (74 MBq), (99m)Tc-p...

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Veröffentlicht in:European journal of nuclear medicine 1999-08, Vol.26 (8), p.907-911
Hauptverfasser: GIORDANO, A, MAROZZI, P, CORSELLO, S, MEDURI, G, FICOLA, U, CALCAGNI, M. L, VACCARO, A, RUBINI, G, ATTARD, M, LI PUMA, M, RICCI, R
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container_title European journal of nuclear medicine
container_volume 26
creator GIORDANO, A
MAROZZI, P
CORSELLO, S
MEDURI, G
FICOLA, U
CALCAGNI, M. L
VACCARO, A
RUBINI, G
ATTARD, M
LI PUMA, M
RICCI, R
description The aim of the study was to quantitatively compare the scintigraphic images of the thyroid and abnormal parathyroid glands obtained with technetium-99m tetrofosmin and thallium-201 in patients with hyperparathyroidism. Forty-six patients with hyperparathyroidism underwent (201)Tl (74 MBq), (99m)Tc-pertechnetate (74 MBq) and (99m)Tc-tetrofosmin (555-740 MBq) scintigraphy in a single session. Image analysis included the computation of the thyroid/background ratio in the whole study population and the parathyroid/background ratio, parathyroid/thyroid ratio and diagnostic sensitivity in 17 patients who underwent parathyroid surgery. The pertechnetate subtraction technique was used. (201)Tl and (99m)Tc-tetrofosmin showed a similar thyroid/background ratio (1.79+/-0.41 and 1.81+/-0. 47, respectively, P=NS); however, (99m)Tc-tetrofosmin showed a higher parathyroid/background ratio than (201)Tl (2.06+/-0.54 vs 1. 79+/- 0.50, P=0.007). Despite the superior quality of (99m)Tc-tetrofosmin images, both tracers showed identical sensitivity in detecting enlarged parathyroid glands in patients with primary hyperparathyroidism (89%) and in those with secondary hyperparathyroidism (50%).
doi_str_mv 10.1007/s002590050467
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Forty-six patients with hyperparathyroidism underwent (201)Tl (74 MBq), (99m)Tc-pertechnetate (74 MBq) and (99m)Tc-tetrofosmin (555-740 MBq) scintigraphy in a single session. Image analysis included the computation of the thyroid/background ratio in the whole study population and the parathyroid/background ratio, parathyroid/thyroid ratio and diagnostic sensitivity in 17 patients who underwent parathyroid surgery. The pertechnetate subtraction technique was used. (201)Tl and (99m)Tc-tetrofosmin showed a similar thyroid/background ratio (1.79+/-0.41 and 1.81+/-0. 47, respectively, P=NS); however, (99m)Tc-tetrofosmin showed a higher parathyroid/background ratio than (201)Tl (2.06+/-0.54 vs 1. 79+/- 0.50, P=0.007). Despite the superior quality of (99m)Tc-tetrofosmin images, both tracers showed identical sensitivity in detecting enlarged parathyroid glands in patients with primary hyperparathyroidism (89%) and in those with secondary hyperparathyroidism (50%).</abstract><cop>Berlin</cop><pub>Springer</pub><pmid>10436206</pmid><doi>10.1007/s002590050467</doi><tpages>5</tpages></addata></record>
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subjects Adenoma - diagnostic imaging
Biological and medical sciences
Contrast media. Radiopharmaceuticals
Endocrine glands. Genital system. Mammary gland
Female
Humans
Hyperparathyroidism - diagnostic imaging
Hyperparathyroidism, Secondary - diagnostic imaging
Investigative techniques, diagnostic techniques (general aspects)
Male
Medical sciences
Organophosphorus Compounds
Organotechnetium Compounds
Parathyroid Glands - diagnostic imaging
Parathyroid Neoplasms - diagnostic imaging
Pharmacology. Drug treatments
Radionuclide Imaging
Radionuclide investigations
Radiopharmaceuticals
Sensitivity and Specificity
Sodium Pertechnetate Tc 99m
Thallium Radioisotopes
Thyroid Gland - diagnostic imaging
title Quantitative comparison of technetium-99m tetrofosmin and thallium-201 images of the thyroid and abnormal parathyroid glands
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