نتایج جستجو برای: volume estimation
تعداد نتایج: 569924 فیلتر نتایج به سال:
Purpose: In this study; we aimed to compare tumor volume with other prognostic determinants by making stereologic estimation. Material and Methods: In the mastectomy materials of 44 patients; tumor volume was calculated with the Cavaliery principle and compared with the classically known other pathologic variables. Results: There is a statistically significant correlation between histologic gra...
Quantitative measurements of tumor in general and tumor volume in particular, become more realistic with the use of Magnetic Resonance imaging, especially when the tumor morphological changes become irregular and difficult to assess by clinical examination. However, tumor volume estimation strongly depends on the image segmentation, which is fuzzy by nature. In this paper a fuzzy approach is pr...
The conductance catheter (CC) allows thorough evaluation of cardiac function because it simultaneously provides measurements of pressure and volume. Calibration of the volume signal remains challenging. With different calibration techniques, in vivo left ventricular volumes (V(CC)) were measured in mice (n = 52) with a Millar CC (SPR-839) and compared with MRI-derived volumes (V(MRI)). Signific...
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