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RADIOBIOLOGY
The Quarterly Journal of Nuclear Medicine 2000 Dicembre;44(4):340-6
Copyright © 2009 EDIZIONI MINERVA MEDICA
language: English
Radiation exposure and dosimetry in transplant patients due to Nuclear Medicine studies
El-Maghraby T. A. F. 1, 2, Camps J. A. J. 1, Gelenys J. 1, Pauwels E. K. J. 1
1 From the 1Department of Radiology Division of Nuclear Medicine Leiden University Medical Center, Leiden, The Netherlands 2 Department of Oncology and Nuclear Medicine Faculty of Medicine, Cairo University, Egypt
Organ transplantation is now an accepted method of therapy for treating patients with end stage failure of kidneys, liver, heart or lung. Nuclear Medicine may provide functional data and semi-quantitative parameters. However, one serious factor that hampers the use of nuclear medicine procedures in transplant patients is the general clinical concern about radiation exposure to the patient. This leads us to discuss the effective doses and radiation dosimetry associated with radionuclide procedures used in the management and follow-up of transplant patients. A simple way to place the risk associated with Nuclear Medicine studies in an appropriate context is to compare the dose with that received from a more familiar source of exposure such as from a diagnostic X-ray procedure. The radiation dose for the different radiopharmaceuticals used to study transplant organ function ranges between 0.1 and 5.3 mSv which is comparable to X-ray procedures with the exception of 201Tl and 111In-antimyosin. Thus Nuclear Medicine studies do not bear a higher radiation risk than the often used X-ray studies in transplant patients.