نتایج جستجو برای: imaging modalities

تعداد نتایج: 490589  

Journal: :Physiological reviews 2012
Michelle L James Sanjiv S Gambhir

Molecular imaging is revolutionizing the way we study the inner workings of the human body, diagnose diseases, approach drug design, and assess therapies. The field as a whole is making possible the visualization of complex biochemical processes involved in normal physiology and disease states, in real time, in living cells, tissues, and intact subjects. In this review, we focus specifically on...

2016
Ntobeko AB Ntusi Petronella Samuels Sulaiman Moosa Ana O Mocumbi

Pregnant women with known or suspected cardiovascular disease (CVD) often require cardiovascular imaging during pregnancy. The accepted maximum limit of ionising radiation exposure to the foetus during pregnancy is a cumulative dose of 5 rad. Concerns related to imaging modalities that involve ionising radiation include teratogenesis, mutagenesis and childhood malignancy. Importantly, no single...

2008

With the opening of the ACR’s Radiology Coding Source as a free publication, it is expected that there will be a group of readers who are not as sophisticated or experienced with radiographic procedures and coding as past paid subscribers to the Source. This article presents a base of information about the technical aspects of radiographic modalities, magnetic resonance imaging, computed tomogr...

2015
Abu Noaman Ashok Kumar Gupta

Available online at http://www.ijims.com ISSN: 2348 – 0343 Acute Pancreatitis: Role of Imaging Modalities Abu Noaman* and Ashok Kumar Gupta Department of General Surgery, NIMS Medical College and Hospital, Jaipur, India *Corresponding Author: Abu Noaman Abstract The combination of appropriate clinical findings and laboratory tests permit an accurate diagnosis of acute pancreatitis in most patie...

Journal: :Journal of biomedical optics 2014
Kristen L Lurie Gennifer T Smith Saara A Khan Joseph C Liao Audrey K Ellerbee

We describe a combination of fabrication techniques and a general process to construct a three-dimensional (3-D) phantom that mimics the size, macroscale structure, microscale surface topology, subsurface microstructure, optical properties, and functional characteristics of a cancerous bladder. The phantom also includes features that are recognizable in white light (i.e., the visual appearance ...

2014
David A Mankoff Daniel A Pryma

BACKGROUND Advances in Nuclear Medicine physics enabled the specialty of Nuclear Medicine and directed research in other aspects of radiotracer imaging, ultimately leading to Nuclear Medicine's emergence as an important component of current medical practice. DISCUSSION Nuclear Medicine's unique ability to characterize in vivo biology without perturbing it will assure its ongoing role in a pra...

2016
Guy Satat Barmak Heshmat Nikhil Naik Albert Redo-Sanchez Ramesh Raskar

Ultrafast imaging has been a key enabler to many novel imaging modalities, including looking behind corners and imaging behind scattering layers. With picosecond time resolution and unconventional sensing geometries, ultrafast imaging can fundamentally impact sensing capabilities in industrial and biomedical applications. This paper reviews the fundamentals, recent advances, and the future pros...

Journal: :iranian endodontic journal 0
solmaz valiozadeh shahid beheshti university of medical sciences maryam khosravi shahid beheshti university of medical sciences zeynab azizi shahid beheshti university of medical sciences

introduction: vertical root fracture (vrf) is a common failure in endodontically treated teeth. due to vrf’s poor prognosis, a reliable and valid detection method is critical for treatment planning. conventional and digital radiographs are limited in vrf detection. recently, cone beam ct (cbct) system has been introduced. this study aimed to compare the diagnostic accuracy of these three imagin...

D. Shahbazi-Gahrouei F. Koohian M. Koohian

Background: MR imaging is one of the best diagnostic modalities in medicine. During an MR imaging examination, three types of field are employed to produce images. Various experimental studies have been performed about the effects of each single type of field but only few studies are available on their combination to generate MR imaging. The main objective of this research work is to study the ...

Multiple myeloma (MM) is a clonal B-lymphocyte neoplasm of terminally differentiated plasma cells. Imaging modalities which allow the recognition of the effects of myeloma cells on the skeletal system have been utilized for a long time. Herein, we represent a patient with generalized osteoporosis and hypercalcemia, who was referred for parathyroid scan, in whom the widespread bone marrow techne...

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