Monte Carlo-based noise compensation in coil intensity corrected endorectal MRI

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• 作者：Dorothy Lui ; Amen Modhafar ; Masoom A. Haider ; Alexander Wong
• 刊名：BMC Medical Imaging
• 出版年：2015
• 出版时间：December 2015
• 年：2015
• 卷：15
• 期：1
• 全文大小：2,293 KB
• 刊物主题：Imaging / Radiology;
• 出版者：BioMed Central
• ISSN：1471-2342

文摘

Background Prostate cancer is one of the most common forms of cancer found in males making early diagnosis important. Magnetic resonance imaging (MRI) has been useful in visualizing and localizing tumor candidates and with the use of endorectal coils (ERC), the signal-to-noise ratio (SNR) can be improved. The coils introduce intensity inhomogeneities and the surface coil intensity correction built into MRI scanners is used to reduce these inhomogeneities. However, the correction typically performed at the MRI scanner level leads to noise amplification and noise level variations.