External radiation dose from patients received diagnostic doses of ²º¹Tl-Chloride and ۹۹mTc-MIBI [Persian]

Publish Year: 1381
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:

JR_IRJNM-10-1_014

تاریخ نمایه سازی: 7 تیر 1401

Abstract:

Patients receiving diagnostic doses of radiopharmaceuticals become a source of contamination and exposure for those who come in contact with them, such as nuclear medicine technologists, relatives and nurses. Therefore, the measurement of external radiation dose from these patients is necessary. In this study, the dose rates at distances of ۱۰, ۵۰ and ۱۰۰cm from ۷۰ patients who received diagnostic amounts of ²º¹Tl-chloride and ۹۹mTc-MIBI was measured. The results showed that the maximum external radiation dose rates for ²º¹Tl and ۹۹mTc were ۱۸.۴ and ۷۵.۰ μSv.h^-۱, respectively, at ۵ cm distance from the patients. The average radiation dose received by nuclear medicine technologists, considering their close contact during one working day was ۱۲.۵±۳.۴ μSv. The highest received dose was ۲۲.۷ μSv, which was well below the acceptable dose limit.

Authors

Simin Dadashzadeh

School of Pharmacy, Shaheed Beheshti University of Medical Sciences, Tehran, Iran

Golahmad Nasiroghli

School of Pharmacy, Shaheed Beheshti University of Medical Sciences, Tehran, Iran

Ali Sattari

Atomic Energy Organization of Iran