نتایج جستجو برای: diagnostic medical imaging
تعداد نتایج: 1241298 فیلتر نتایج به سال:
Update on the biological effects of ionizing radiation, relative dose factors and radiation hygiene.
Diagnostic imaging is an indispensable part of contemporary medical and dental practice. Over the last few decades there has been a dramatic increase in the use of ionizing radiation for diagnostic imaging. The carcinogenic effects of high-dose exposure are well known. Does diagnostic radiation rarely cause cancer? We don't know but we should act as if it does. Accordingly, dentists should sele...
Prostate cancer has traditionally been staged through the use of conventional imaging techniques such as bone scintigraphy, CT, and MRI. However, introduction more sensitive techniques, prostate-specific membrane antigen (PSMA) imaging, allowed previously undetectable metastases to be identified, thereby enabling accurate staging disease greater refinement in management strategies. This article...
Abstract Introduction Medical imaging is important for diagnostic, prognostic, and management decisions. It reliant on an increasingly limited number of interpreters. A developing interest has explored how artificial intelligence (AI) research in medical can support clinicians provide greater efficiency clinical care. Reviews exist thoracic endoscopic imaging, but one lacking the abdominopelvic...
Orthodontics as well dentistry are undergoing a technological revolution with advances in medical imaging, 3D printing and customization of appliances devices. Digital orthodontics can be defined the process manufacturing customized based on target setup which incorporates tooth positioning six-degrees-of-freedom. Three-dimensional imaging provides better diagnostic tools allows for fabrication...
It is a well known fact that radiation doses from the use of ionizing radiations and radionuclides in medical diagnosis and treatment are the largest contribution to the collective dose from all man-made sources of radiation, occupying about 15% of the total collective dose, and rapidly increase over the world, due to their relatively high frequency. From this, it is obvious that medical use of...
medical imaging has a remarkable role in the practice of clinical medicine. this study intends to evaluate the knowledge of indications of five common medical imaging modalities and estimation of the imposed cost of their non-indicated requests among medical students who attend shiraz university of medical sciences, shiraz, iran. we conducted across-sectional survey using a self-administered qu...
PURPOSE Photoacoustic (PA) imaging is a recently developed breast cancer imaging technique. In order to enhance successful clinical implementation, we quantified the potential clinical value of different scenarios incorporating PA imaging by means of multi-criteria analysis. From this analysis, the most promising area of application for PA imaging in breast cancer diagnosis is determined, and r...
Introduction: Nasal bone fractures are one of the most common problems in patients who are referred to otolaryngology centers. We aimed to evaluate physical examination, sonography and conventional lateral nasal bone radiography in patients with nasal bone trauma and its relation to intra-operative findings. Methods: This prospective study was performed on 200...
Polarized light can reveal diagnostic information about tissue morphology. To promote easy adoption of polarization imaging techniques in the clinic it would be beneficial if they can be used with standard medical imaging instruments such as rigid endoscopes. We have characterized the polarization properties of two commercial laparoscopes and observed birefringence effects that complicate polar...
Advances in medical imaging now make it possible to investigate any patient with cardiovascular disease using multiple methods which vary widely in their technical requirements, benefits, limitations and costs. The appropriate use of alternative tests requires their integration into joint clinical diagnostic services where experts in all methods collaborate. This statement summarises the princi...
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