نتایج جستجو برای: entrance skin dose esd

تعداد نتایج: 504755  

Journal: :AJNR. American journal of neuroradiology 2013
E Vano J M Fernandez R M Sanchez D Martinez L Lopez Ibor A Gil C Serna-Candel

BACKGROUND AND PURPOSE Radiation exposure from neurointerventional procedures can be substantial, with risk of radiation injuries. We present the results of a follow-up program applied to potential skin injuries in interventional neuroradiology based on North American and European guidelines. MATERIALS AND METHODS The following guidelines approved in 2009 by SIR and CIRSE have been used over ...

B. Adeleye, B. Kolude, N. N. Jibiri,

Background: Intraoral radiographs are believed to deliver low doses to patients, thus little work has been done in this regards. Considering the increment in the number of patients reporting for the examination and the probability of delayed somatic effects for accumulated low doses of X-irradiation, it is expedient to determine the doses to three critical organs eye, thyroid and parotid that a...

Journal: :iranian journal of medical physics 0
malakeh malekzadeh paramedical school. babol university of medical sciences. babol. iran

introduction given the fact that children are more sensitive to radiation, compared to adults, special attention needs to be paid to radiation protection in pediatric radiology. diagnostic reference level (drl) has been defined to be employed as a practical tool for examining the overall performance of a radiological center in terms of patient dose among a series of similar equipments in an are...

ژورنال: :مجله دانشکده پزشکی اصفهان 0
داریوش شهبازی گهرویی استاد، گروه فیزیک پزشکی، دانشکده ی پزشکی، دانشگاه علوم پزشکی اصفهان، ایران فهیمه امین الرعایایی دانشجوی کارشناسی ارشد، گروه فیزیک پزشکی، دانشکده ی پیراپزشکی، دانشگاه علوم پزشکی کاشان، ایران

در طول مدت بستری، برای نوزادان نارس (premature) و یا بیمار بستری در بخش مراقبت های ویژه ی نوزادان (nicu یا neonatal intensive care unit)، تعداد زیادی رادیوگرافی انجام می شود. به دلیل آن که نوزادان اندازه ی کوچکی دارند، در هنگام رادیوگرافی، بخش بزرگی از آناتومی آنان در میدان تابش قرار می گیرد. از طرف دیگر نوزادان، نسبت به پرتو حساس تر از بالغین هستند و خطر سرطان ناشی از تابش در آن ها، 2 تا 3 برا...

2012
Mohammad Taghi Bahreyni Toossi Malakeh Malekzadeh

BACKGROUND With the increase of X-ray use for medical diagnostic purposes, knowing the given doses is necessary in patients for comparison with reference levels. The concept of reference doses or diagnostic reference levels (DRLs) has been developed as a practical aid in the optimization of patient protection in diagnostic radiology. OBJECTIVES To assess the radiation doses to neonates from d...

Journal: :iranian journal of radiation research 0
m. allahverdi department of medical physics, cancer institute, tehran university of medical sciences, tehran, iran m.r. taghizadeh department of radiotherapy, imam khomeini hospital, tehran university of medical sciences, tehran, iran

abstract background: in vivo measurements of applied dose during radiotherapy treatment, is important to ensure accurate dose delivery to patients. uncertainty in dose delivery should fall within ±5% of the prescribed dose as recommended by icru. assessment of dose for radiotherapy applications performed with various types of detectors. in this study, semiconductor diodes were used which have s...

Journal: :Radiation Science and Technology 2023

The hyperconsciousness of radiation dose delivered to the patient during chest radiological X-ray procedures are prerequisite negate menace exposure. pinpoint this research is inquest doses received by for routine individual x-ray in health care system associated Kebbi State Government, Nigeria. Entrance Surface Dose and effective accordance with exposure factors collected real examinations wer...

Journal: :Forensic science international 2002
M J Thali B P Kneubuehl U Zollinger R Dirnhofer

The goal of this study was to document the dynamic effects created within, and the developing mechanisms of a gunshot entrance wound to the skin utilizing high-speed photography and the "skin-skull-brain model". The high-speed photography was taken with an Imacon 468/Hadland-Photonics camera. Full metal jacketed, 9 mm Luger projectiles were fired at the target model from a distance of 10 m. Dur...

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