نتایج جستجو برای: imaging modalities

تعداد نتایج: 490589  

  Long-term complications of retained war fragments in the body are not completely known. Also, bullet migration and slow resorption of metals and distortion in some imaging modalities are frequent and well recognized complications but, now we are concerned about neoplastic changes near the retained war fragments. We reviewed the literature on complication of retained war fragments and report o...

E’tesam Malekzadeh Hossain Rajabi

Introduction: Theranostics, in particular, the use of radionuclides with the capability of simultaneous imaging and treatment has opened new horizons in personalized treatment planning of targeted radiation therapy. In this approach, positive beta or gamma emitters are required for imaging and alpha, beta and Auger electrons for treatment purpose. On the other hand, studies hav...

Journal: :Physics in medicine and biology 2007
Harold Bien Puja Parikh Emilia Entcheva

Optical mapping of excitation dynamically tracks electrical waves travelling through cardiac or brain tissue by the use of fluorescent dyes. There are several characteristics that set optical mapping apart from other imaging modalities: dynamically changing signals requiring short exposure times, dim fluorescence demanding sensitive sensors and wide fields of view (low magnification) resulting ...

Journal: :The Ulster Medical Journal 2007
JA Soye CP Mullan S Porter H Beattie AH Barltrop WM Nelson

PURPOSE To determine the potential application of contrast-enhanced ultrasound in the characterisation of focal liver lesions encountered in radiological practice at a district general hospital. MATERIALS & METHODS Retrospective analysis of 68 sequential patients undergoing contrast-enhanced ultrasound (CEUS) of liver. All patients were referred for CEUS following identification of 1 or more ...

Journal: :Proceedings of SPIE--the International Society for Optical Engineering 2014
Goldie Goldstein Katherine Creath

The continued development of hardware and associated image processing techniques for quantitative phase microscopy has allowed superior phase data to be acquired that readily shows dynamic optical volume changes and enables particle tracking. Recent efforts have focused on tying phase data and associated metrics to cell morphology. One challenge in measuring biological objects using interferome...

Journal: :journal of dentistry, tehran university of medical sciences 0
mahkameh moshfeghi assistant professor, department of oral and maxillofacial radiology, dental school, shahid beheshti university of medical science, tehran, iran. soodabeh sadat sajadi sepideh sajadi majid shahbazian

successful endodontic therapy depends on adequate mechanical and chemical debridement of the canal which requires knowledge of the canal morphology. conventional radiography has been used to evaluate the canal type; however, direct digital radiography has recently been practiced for this purpose due to the shortcomings of conventional radiography. the aim of the present study was to compare the...

Journal: :European heart journal cardiovascular Imaging 2012
Patrizio Lancellotti Julien Magne Rosa Sicari Anastasia Kitsiou Herbert Frank Owen Miller Luigi P Badano

The annual meeting of the European Association of Echocardiography (Euroecho and other Imaging Modalities) was held in Athens, Greece. In the present paper, we present a summary of the 'Highlights' session.

2009
A. H. Hou D. Swanson A. B. Barqawi

Prostate cancer is the second most common cause of cancer deaths among males in the United States. Prostate screening by digital rectal examination and prostate-specific antigen has shifted the diagnosis of prostate cancer to lower grade, organ confined disease, adding to overdetection and overtreatment of prostate cancer. The new challenge is in differentiating clinically relevant tumors from ...

2013
Zhonghua Sun

Coronary artery disease is the leading cause of death in advanced countries. Early detection and diagnosis of coronary artery disease plays an important role in the identification of disease severity and prediction of disease outcome, consequently improving patient management. Diagnosis and management of coronary artery disease is increasingly dependent on less-invasive imaging modalities, incl...

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