sonographic findings of increased size and decreased echogenicity of renal pyramide , focal zones of sonolucency in renal cortex , and patchy sonolucent areas involving both cortex and medulla with coalescence correlated well with biopsy in 46 out of 50 patients ( 92 % ) treated for acute rejection ( sensitivity = 0.92 ) .
C0022646
renal
C0022655
renal