نتایج جستجو برای: ray examinations

تعداد نتایج: 336445  

Journal: :Medical physics 1997
N A Gkanatsios W Huda

Energy imparted is a measure of the total ionizing energy deposited in the patient during a radiologic examination and may be used to quantify the patient dose in diagnostic radiology. Values of the energy imparted per unit exposure-area product, omega (z), absorbed by a semi-infinite water phantom with a thickness z, were computed for x-ray spectra with peak x-ray tube voltages ranging from 50...

Journal: :Occupational and environmental medicine 2014
Hervé Laborde-Castérot Dominique Laurier Sylvaine Caër-Lorho Cécile Etard Alain Acker Estelle Rage

BACKGROUND Medical surveillance of uranium miners can include periodic chest X-ray examinations. This study aimed to assess the X-ray exposure due to occupational health monitoring in the French cohort of uranium miners, and to test whether consideration of this additional radiation exposure impacts the excess risk of lung cancer death associated with radon exposure. METHOD X-ray exposure due...

Journal: :iranian journal of medical physics 0
esen nsikan u dept. of physic, university of ibadan, nigeria

introduction high doses of ionizing radiation can lead to adverse health outcomes such as cancer induction in humans. although the consequences are less evident at very low radiation doses, the associated risks are of societal importance. this study aimed at assessing entrance skin doses (esds) in patients undergoing selected diagnostic x-ray examinations at public hospitals of akwa ibom state,...

Journal: :Nihon Ika Daigaku zasshi 1996
T Kura T Kumaki T Matsuhisa S Tanaka

Most of the gastric cancers investigated in this study were detected during mass screening at a Medical Check-up Center. The research period was 5 years, from 1990 to 1994. The total number of patients undergoing initial gastric examinations was 300,658. Four point eight percent of these needed detailed examinations, and 77.2% actually underwent detailed examinations. Over the 5 years, the numb...

Journal: :Archives of Disease in Childhood 2002

Esen Nsikan U, Obed, R. I

Introduction High doses of ionizing radiation can lead to adverse health outcomes such as cancer induction in humans. Although the consequences are less evident at very low radiation doses, the associated risks are of societal importance. This study aimed at assessing entrance skin doses (ESDs) in patients undergoing selected diagnostic X-ray examinations at public hospitals of Akwa Ibom State,...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید