Diffusion-Weighted Magnetic Resonance Imaging of 103 Patients with Rectal Adenocarcinoma Identifies the Apparent Diffusion Coefficient as an Imaging Marker for Tumor Invasion and Regional Lymph Node Involvement

Jaromir Kargol; Wojciech Rudnicki; Jakub Kenig; Justyna Filipowska; Ewa Kaznowska; Tomasz Kluz; Wiesław Guz; Elżbieta Łuczyńska

doi:10.12659/MSM.934941

06 December 2021 : Database Analysis

Diffusion-Weighted Magnetic Resonance Imaging of 103 Patients with Rectal Adenocarcinoma Identifies the Apparent Diffusion Coefficient as an Imaging Marker for Tumor Invasion and Regional Lymph Node Involvement

Jaromir Kargol^1ABCDEF*, Wojciech Rudnicki^2CDE, Jakub Kenig^3DE, Justyna Filipowska^4BE, Ewa Kaznowska^5BE, Tomasz Kluz^6BE, Wiesław Guz^4BE, Elżbieta Łuczyńska^4ACDEF

DOI: 10.12659/MSM.934941

Med Sci Monit 2021; 27:e934941

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Table 1 Conformity of particular variables to normal distribution. Apparent diffusion coefficient, the standard deviation in the region of interest. Microsoft Corporation, Microsoft Word 2013 (version 15.0.5389.1000).

Variable	Kolmogorov-Smirnov test	Shapiro-Wilk test	Variable distribution
ADC mean value	d=0.07, p>0.2	W=0.98, p=0.21	Normal
ADC SD-in-ROI	d=0.11, p<0.15	W=0.95, p=0.0006	Not normal
ADC minimum value	d=0.07, p>0.2	W=0.97, p=0.017	Not normal
ADC maximum value	d=0.09, p>0.2	W=0.96, p=0.008	Not normal
ADC – apparent diffusion coefficient; SD-in-ROI – standard deviation in the region of interest.

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Diffusion-Weighted Magnetic Resonance Imaging of 103 Patients with Rectal Adenocarcinoma Identifies the Apparent Diffusion Coefficient as an Imaging Marker for Tumor Invasion and Regional Lymph Node Involvement

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