Valores normales de captación de 131Yodo de 2 y 24 horas
Background: Radiolabeled iodine uptake is a useful tool in the study of thyroid diseases. Aim: To obtain normal values for 131 Iodine thyroid uptake in healthy volunteers. Material and methods: A total of 105 subjects were included (52 males and 53 females), with a mean age of 45 years (range: 20 to...
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Sociedad Médica de Santiago
2008
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oai:scielo:S0034-988720080010000082009-01-15Valores normales de captación de 131Yodo de 2 y 24 horasGonzález E,PatricioCarmona C,Alberto RAraya Q,VerónicaMiranda F,KarinaMassardo V,TeresaJiménez R,BeatrizJaimovich F,RodrigoGatica R,Héctor Iodine-131 Iodine radioisotopes Thyroid gland Thyrotropin Background: Radiolabeled iodine uptake is a useful tool in the study of thyroid diseases. Aim: To obtain normal values for 131 Iodine thyroid uptake in healthy volunteers. Material and methods: A total of 105 subjects were included (52 males and 53 females), with a mean age of 45 years (range: 20 to 68, evenly distributed in decades). A questionnaire was applied and a clinical examination was performed to rule out endocrine diseases. Serum TSH and anti-thyroperoxidase antibodies were also measured. The oral 131I dose was 5-10 fiCi, and a Thyrad equipment was used for measurements at 2 and 24 h. Results: Mean global iodine uptake was 5.5%±1.8% (range: 2.3-12.0) at 2 h and 16.2±4.8% (range: 6.5-30.1) at 24 h. The values at 2 h among women and men were 6.0±1.8 and 4.9±1.6%, respectively, (p <0.02). At 24 h, the figures were 17.3±4.5 and 15.0±4.9%, respectively (p =0.01). Compared to their younger counterparts, radioactive iodine uptake was lower among volunteers older than 40 years, at 2 h (5.0±1.7 and 6.0±1.8, respectively, p <0.02) and at 24 h (14.9±4.4 and 17.6±4.9%, respectively, p <0.01). Conclusions: Normal thyroid uptake values in adults are influenced bygender and age. Normal thyroid iodine uptake values are slightly higher in females. Iodine thyroid uptake values decrease slightly in subjects aged more than 40years.info:eu-repo/semantics/openAccessSociedad Médica de SantiagoRevista médica de Chile v.136 n.10 20082008-10-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0034-98872008001000008es10.4067/S0034-98872008001000008 |
| institution |
Scielo Chile |
| collection |
Scielo Chile |
| language |
Spanish / Castilian |
| topic |
Iodine-131 Iodine radioisotopes Thyroid gland Thyrotropin |
| spellingShingle |
Iodine-131 Iodine radioisotopes Thyroid gland Thyrotropin González E,Patricio Carmona C,Alberto R Araya Q,Verónica Miranda F,Karina Massardo V,Teresa Jiménez R,Beatriz Jaimovich F,Rodrigo Gatica R,Héctor Valores normales de captación de 131Yodo de 2 y 24 horas |
| description |
Background: Radiolabeled iodine uptake is a useful tool in the study of thyroid diseases. Aim: To obtain normal values for 131 Iodine thyroid uptake in healthy volunteers. Material and methods: A total of 105 subjects were included (52 males and 53 females), with a mean age of 45 years (range: 20 to 68, evenly distributed in decades). A questionnaire was applied and a clinical examination was performed to rule out endocrine diseases. Serum TSH and anti-thyroperoxidase antibodies were also measured. The oral 131I dose was 5-10 fiCi, and a Thyrad equipment was used for measurements at 2 and 24 h. Results: Mean global iodine uptake was 5.5%±1.8% (range: 2.3-12.0) at 2 h and 16.2±4.8% (range: 6.5-30.1) at 24 h. The values at 2 h among women and men were 6.0±1.8 and 4.9±1.6%, respectively, (p <0.02). At 24 h, the figures were 17.3±4.5 and 15.0±4.9%, respectively (p =0.01). Compared to their younger counterparts, radioactive iodine uptake was lower among volunteers older than 40 years, at 2 h (5.0±1.7 and 6.0±1.8, respectively, p <0.02) and at 24 h (14.9±4.4 and 17.6±4.9%, respectively, p <0.01). Conclusions: Normal thyroid uptake values in adults are influenced bygender and age. Normal thyroid iodine uptake values are slightly higher in females. Iodine thyroid uptake values decrease slightly in subjects aged more than 40years. |
| author |
González E,Patricio Carmona C,Alberto R Araya Q,Verónica Miranda F,Karina Massardo V,Teresa Jiménez R,Beatriz Jaimovich F,Rodrigo Gatica R,Héctor |
| author_facet |
González E,Patricio Carmona C,Alberto R Araya Q,Verónica Miranda F,Karina Massardo V,Teresa Jiménez R,Beatriz Jaimovich F,Rodrigo Gatica R,Héctor |
| author_sort |
González E,Patricio |
| title |
Valores normales de captación de 131Yodo de 2 y 24 horas |
| title_short |
Valores normales de captación de 131Yodo de 2 y 24 horas |
| title_full |
Valores normales de captación de 131Yodo de 2 y 24 horas |
| title_fullStr |
Valores normales de captación de 131Yodo de 2 y 24 horas |
| title_full_unstemmed |
Valores normales de captación de 131Yodo de 2 y 24 horas |
| title_sort |
valores normales de captación de 131yodo de 2 y 24 horas |
| publisher |
Sociedad Médica de Santiago |
| publishDate |
2008 |
| url |
http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0034-98872008001000008 |
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