نتایج جستجو برای: spectral contrast

تعداد نتایج: 550643  

Journal: :Letters in Mathematical Physics 2022

In this paper, we provide further spectral analysis of the general asymptotic scattering resonances formula small 3D dielectrics arbitrary shape with high contrast, already derived in other works to a first-order approximation. To investigate components full expansion such resonances, breakdown is presented for case high-contrast nanospheres, terms its radius h interval [0, 1]. We also derive, ...

Journal: :Scripta scientifica medica 2022

Introduction: Contrast-enhanced spectral mammography (CESM) is a new technique for cancer investigations. The application of this to screen the breast would result in contrast improvement different lesions. This can be effectively ensured by use phantoms. Computational phantoms are one ways investigate characteristics received image and thus evaluate whole technique. Aim: aim study validate ana...

Journal: :Egyptian Journal of Radiology and Nuclear Medicine 2022

Abstract Background Phyllodes tumors of breast are rare fibroepithelial neoplasms. They have similar radiological findings with fibroadenomas. While fibroadenomas benign lesions, phyllodes may malignant potential. Therefore, any imaging to differentiate fibroadenoma from tumor valuable. Case presentation A 51-year-old female patient was admitted our clinic the complaint a palpable mass. Tru-Cut...

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