نتایج جستجو برای: modality imaging

تعداد نتایج: 493165  

Introduction: Radical prostatectomy is an effective curative treatment option for organ-confined prostate cancer. There is a recent trend in offering curative treatment to patients with oligometastatic disease. More sensitive imaging modalities can identify oligometastatic disease that is not usually detected by conventional imaging techniques. Case presentation: We present a case in which a s...

Journal: :Journal of controlled release : official journal of the Controlled Release Society 2012
Jaehong Key Christy Cooper Ah Young Kim Deepika Dhawan Deborah W Knapp Kwangmeyung Kim Jae Hyung Park Kuiwon Choi Ick Chan Kwon Kinam Park James F Leary

One difficulty of diagnosing and treating cancer is that it is very challenging to detect cancers in the early stages before metastasis occurs. A variety of imaging modalities needs to be used from non-invasive, moderate resolution modalities, such as magnetic resonance imaging (MRI) to very high-resolution (e.g. fluorescence) imaging that can help guide surgeons during a surgical operation. Wh...

Journal: :Australian family physician 2006
Alex Pitman

BACKGROUND Nuclear myocardial perfusion imaging (MPI) involves the use of radiotracers to generate scintigraphic images of the myocardium. It is the best validated and most standardised of all cardiac imaging modalities, demonstrating regional perfusion ventricular wall motion and accurately calculating reproducible left ventricular ejection fraction. Physiological or pharmacological stress can...

Journal: :Journal of nuclear medicine : official publication, Society of Nuclear Medicine 2008
Arion Chatziioannou

It is unusual for a relatively mature field such as nuclear medicine to see an innovation akin to a new imaging modality. Although in its preliminary stages, the work by Tai et al. (1) on pages 471–479 of this issue of The Journal of Nuclear Medicine describes a novel concept that could be considered as such. Whole-body PET might have enjoyed a dramatic market penetration and growth in the clin...

2009
Jin Ho Jung Yong Choi Key Jo Hong Byung Jun Min Joon Young Choi Yearn Seong Choe Kyung-Han Lee Byung-Tae Kim

Several groups have reported the development of dual modality Gamma camera/optical imagers, which are useful tools for investigating biological processes in experimental animals. While previously reported dual modality imaging instrumentation usually employed a separated gamma camera and optical imager, we designed a detector using a position sensitive photomultiplier tube (PSPMT) that is capab...

Journal: :Journal of nuclear medicine : official publication, Society of Nuclear Medicine 2008
David W Townsend

The extensive development of image fusion techniques over the past 20 y has shown that the fusion of images from complementary modalities offers a more complete and accurate assessment of disease than do images from a single modality. Although software techniques have been successful in fusing images of the brain from different modalities, they have achieved rather limited success for other par...

Journal: :European journal of echocardiography : the journal of the Working Group on Echocardiography of the European Society of Cardiology 2011
Sanjeev Bhattacharyya Jason Tarkin Sanjay Prasad Anthony De Souza Sam Kaddoura

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . doi:10.1093/ejechocard/jer234 Online publish-ahead-...

Fateme Shahedi, Mehdi Jamali Mehdi Momennezhad, Shahrokh Naseri

Introduction: The application of 3D volumetric imaging modalities in treatment planning of radiation therapy can provide more precisely define tumor localization, and computed tomography (CT) is the most common accepted method for treatment planning. Given the lack of a CT scanner stationed in all radiotherapy departments and equipping most of the medical linear accelerators wi...

Journal: :Circulation 2000
J E Burnes B Taccardi Y Rudy

BACKGROUND The last decade witnessed an explosion of information regarding the genetic, molecular, and mechanistic basis of heart disease. Translating this information into clinical practice requires the development of novel functional imaging modalities for diagnosis, localization, and guided intervention. A noninvasive modality for imaging cardiac arrhythmias is not yet available. Present ele...

Journal: :research in cardiovascular medicine 0
gary tse cardiovascular magnetic resonance unit, royal brompton hospital, london, uk; school of medicine, imperial college london, london, uk aamir ali cardiovascular magnetic resonance unit, royal brompton hospital, london, uk francisco alpendurada cardiovascular magnetic resonance unit, royal brompton hospital, london, uk sanjay prasad cardiovascular magnetic resonance unit, royal brompton hospital, london, uk claire e raphael cardiovascular magnetic resonance unit, royal brompton hospital, london, uk; school of medicine, imperial college london, london, uk; cardiovascular magnetic resonance unit, royal brompton hospital, london, uk. vassilis vassiliou, cardiovascular magnetic resonance unit, royal brompton hospital, london, uk. tel: +44-2073518800, fax: +44-2073518816 vassilis vassiliou cardiovascular magnetic resonance unit, royal brompton hospital, london, uk; cardiovascular magnetic resonance unit, royal brompton hospital, london, uk. vassilis vassiliou, cardiovascular magnetic resonance unit, royal brompton hospital, london, uk. tel: +44-2073518800, fax: +44-2073518816

conclusions cmr with stir sequences, free breathing sequences and late gadolinium imaging can prove extremely useful for diagnosing constrictive pericarditis. case presentation a 77-year-old man from a country with high incidence of tuberculosis presented with severe dyspnea. echocardiography revealed a small left ventricle with normal systolic and mildly impaired diastolic function. left heart...

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