نتایج جستجو برای: modality imaging

تعداد نتایج: 493165  

Journal: :Biomedical optics express 2017
Yan Li Joseph Jing Yueqiao Qu Yusi Miao Buyun Zhang Teng Ma Mingyue Yu Qifa Zhou Zhongping Chen

We present a tri-modality imaging system and fully integrated tri-modality probe for intravascular imaging. The tri-modality imaging system is able to simultaneously acquire optical coherence tomography (OCT), ultrasound (US), and fluorescence imaging. Moreover, for fluorescence imaging, we used the FDA-approved indocyanine green (ICG) dye as the contrast agent to target lipid-loaded macrophage...

2012
Prasad Shankar Matthew T. Heller

Pheochromocytoma, a rare neuroendocrine adrenal tumor, is often diagnosed by a combination of clinical, laboratory, and radiographic features. While the imaging features of this entity are variable, the use of complementary modalities often helps to target the diagnosis and assess the extent of the disease. We present a multi-modality evaluation of a pheochromocytoma, with CT, MR, MIBG, and pat...

Journal: :iranian journal of radiology 0
houman alizadeh tehran university of medical sciences, tehran, iran; tehran university of medical sciences, tehran, iran

background the most common soft tissue tumors during infancy and childhood are vascular lesions. although the vast majority of these lesions have typical clinical features with no need for any further exam, but sometimes atypical superficial or deeply located lesions require complementary studies to be diagnosed and classified. in that way it is also very important to exclude very less common m...

2010
S. A. Carp C. M. Wanyo D. A. Boas

ABSTRACT Measurement of breast tissue response to external stimulation has the potential to unveil additional dynamic biomarkers of disease states. Recently tumor contrast generated by breathing-gas induced vascular changes has been demonstrated using both BOLD imaging [1] and MRIguided near infrared diffuse optical tomography [2]. At the same time, in the biomedical optics community, temporall...

Journal: :iranian journal of radiology 0
reza jalli banafsheh zeinali-rafsanjani medical imaging research center; mahdi saeedi-moghadam

abstract solitary pulmonary nodule (spn) is explained as a separate, well-determined obscurity with the maximum size of 3cm which is enclosed by typical lung tissue and is not related to any other anomalies in the lung or adjacent lymph nodes. among imaging modalities mri has more benefits such as high spatial resolution and usage of nonionizing radiation, however, the efficacy of this imaging ...

Journal: :Journal of the Korean Society of Radiology 2021

Hosnoddin Nabiev Kamran Aryana Mehdi Momennezhad, Ramin Sadeghi, Seyed Rasoul Zakavi, Toktam Mohammadi Rana Vahid Reza Dabbagh Kakhki,

  Introduction: Although PET scanning using F-18[FDG] is considered the superior radiotracer for tumnor imaging, Gallium-67 is still in use for some malignancies such as lymphoma and hepatoma. One of the strategies to improve the diagnostic accuracy of Gallium is to perform SPECT which is reported to be more sensitive compared to planar imaging. In this study we compa...

Journal: :Journal of Cardiovascular Imaging 2020

Journal: :Journal of Nuclear Cardiology 2017

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