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Aim: To investigate the diagnostic efficiency of apparent diffusion coefficient value (ADC) in differentiating benign from malignant breast lesions at 3.0 T diffusion-weighted imaging with different pair of b value. Methods: Total 110 patients with 107 lesions (44 benign and 63 malignant) were selected for our study with five different b-values 0, 400, 800, 1200 and 1600 s/mm2. ADC values were ...
An In - Vitro study on the effect of Iranian soft drinks on enamel microhardness of primary teeth Dr. B. Ajami* - Dr. M. Ebrahimi** - Dr. S. Karbasi*** *- Associate Professor of Pedodontics Dept. – Faculty of Dentistry – Mashhad University of Medical Sciences. **- Assistant Professor of Pedodontics Dept. – Faculty of Dentistry – Mashhad University of Medical Sciences. ***- Dentist. Background a...
Purpose The purpose of this study was to compare imaging of choroidal neovascularization (CNV) using swept-source (SS) and spectral-domain (SD) optical coherence tomography angiography (OCTA). Methods Optical coherence tomography angiography was performed using a 100-kHz SS-OCT instrument and a 68-kHz SD-OCTA instrument (Carl Zeiss Meditec, Inc.). Both 3 × 3- and 6 × 6-mm2 scans were obtained...
AIM To compare the intermediate-term efficacy of a large surface area Baerveldt 350 mm2 glaucoma drainage device (GDD) with medium surface area implants (Baerveldt 250 mm2 and Molteno 3, 230, or 245 mm2). DESIGN This is a retrospective, nonrandomized comparative trial. MATERIALS AND METHODS A total of 94 eyes of 94 patients of mixed glaucoma diagnoses without any prior glaucoma surgical pro...
BACKGROUND Previous studies regarding the mechanism by which balloon angioplasty increases luminal patency have generally used animal models or postmortem specimens from occasional fatal cases of angioplasty performed in human patients. In either case, conclusions regarding participatory mechanisms have relied exclusively on nonserial, postangioplasty histopathological examination. METHODS AN...
We discussed the utility of intravoxel incoherent motion diffusion-weighted imaging (IVIM-DWI) for discriminating clear cell renal cell carcinoma (ccRCC) from angiomyolipoma (AML). Preoperative IVIM-DWI parameter (ADC,D, D and f) values were compared between the ccRCC (n = 37) and AML (n = 28) groups. AML exhibited significantly lower ADC ([1.35±0.29] × 10-3 mm2/s vs [1.77 ± 0.41] × 10-3 mm2/s)...
OBJECTIVES The impaction of the second mandibular molar (MM2) has recently become more prevalent. Several etiological hypothesis have been proposed to investigate the association between skeletal features and impaction of MM2. The aims of this study were to analyze the skeletal features in patients with MM2 impaction and the association between arrested eruption of MM2 and the presence of the t...
PURPOSE We aimed to determine whether 3T diffusion-weighted imaging (DWI) has an additive value relative to contrast-enhanced MR imaging for the detection of disseminated lesions in patients with primary malignant brain tumors. METHODS We included consecutive 12 patients with nodular disseminated lesions of primary malignant brain tumors that were confirmed by surgery or follow-up MR imaging....
Background. Previous studies regarding the mechanism by which balloon angioplasty increases luminal patency have generally used animal models or postmortem specimens from occasional fatal cases of angioplasty performed in human patients. In either case, conclusions regarding participatory mechanisms have relied exclusively on nonserial, postangioplasty histopathological examination. Methods and...
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