The evaluation of urine activity and external dose rate from patients receiving radioiodine therapy for thyroid cancer

The aim of this study was to determine the external dose rate of iodine retention as a function of time in the bodies of thyroid cancer patients during their isolation period in the hospital. Urine samples were collected at 6th, 12th, 18th, 24th h and 2nd, 3rd, 4th, 5th d from 83 patients after oral...

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Veröffentlicht in:	Radiation protection dosimetry 2013-08, Vol.156 (1), p.25-29
Hauptverfasser:	Demir, Mustafa, Parlak, Yasemin, Cavdar, Iffet, Yeyin, Nami, Tanyildizi, Handan, Gümüser, Gül, Sayit, Elvan, Erees, Serap, Sayman, Haluk
Format:	Artikel
Sprache:	eng
Schlagworte:	Adult Aged Female Hospitalization Humans Iodine Radioisotopes - therapeutic use Iodine Radioisotopes - urine Male Middle Aged Radiometry - methods Radiotherapy Dosage Thyroid Gland - radiation effects Thyroid Neoplasms - radiotherapy Thyroid Neoplasms - urine Time Factors Young Adult
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Zusammenfassung:	The aim of this study was to determine the external dose rate of iodine retention as a function of time in the bodies of thyroid cancer patients during their isolation period in the hospital. Urine samples were collected at 6th, 12th, 18th, 24th h and 2nd, 3rd, 4th, 5th d from 83 patients after oral administration of (131)I and counted. The external dose rates were also simultaneously determined at the same time points. Then, it was expressed as retained radioiodine body activity versus dose rate. Effective half life calculated from urine sample measurements was found as 18.4±1.8 h within the first 24 h and 64±2.7 h between 48 and 120 h. According to this results, the external dose rate (
ISSN:	0144-8420 1742-3406
DOI:	10.1093/rpd/nct036