When the X-rays pass through a sample (like a kidney stone), the speckle pattern changes depending on the stone’s internal structure. By carefully measuring how the speckle pattern shifts or blurs, scientists calculate how much scattering happened.
The rectangular grid mask and Fokker–Planck method were identified as the most effective combination for reliable kidney stone classification. The method successfully separated kidney stones into three groups - ammonium urate, calcium-based, and cystine/struvite stones.
It is Non-invasive method- means that the method does not enter or harm the body- there’s no surgery, no needles, and no instruments placed inside.
(Fokker–Planck method describes how a probability distribution changes over time. It is a partial differential equation.)
Source: https://iopscience.iop.org/article/10.1088/1361-6560/ae09ed
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