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Representative pathologic images. (A) Control group. (B) Type 2 diabetic nephropathy group injected with saline. (C–F) Type 2 diabetic nephropathy group injected with 400 mg I/mL of contrast agent (C, 1 h; D, 24 h; E, 48 h; F, 72 h). Changes in the glomerulus, renal tubules, and interstitium can be easily seen at each time point in the type 2 diabetic nephropathy group following injection of the contrast agent .
