Role of multi-parametric ultrasonography for the assessment and monitoring of functional status of renal allografts with histopathological correlation

Figure 6 Quantitative elastography measurement at the interpolar region of a transplant kidney with acute allograft dysfunction due to acute cellular rejection. A: Gray scale image; B: Color-coded map of elasticity value distribution on a scale of 0 to 80 kPa and corresponding gray scale image (mean value 346 kPa and 3.4 m/s); C: Histopathological section shows severe tubulitis (blue arrow) along with tubulo-interstitial inflammation (black arrow) and interstitial edema (white arrow) in a case of Acute T cell Mediated Cellular Rejection Banff Grade IB (× 100 original magnification, PAS stain, scale bar = 100 μm).