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A 42-year-old woman with pleomorphic adenoma in the parotid gland. A, Axial contrast-enhanced T1-weighted image shows enhancing tumor (arrowhead) in the left parotid gland. B, Axial DWI at b = 0 s/mm2. C, Axial DWI at b = 500 s/mm2. D, Axial DWI at b = 1000 s/mm2. E, Axial PP map shows the tumor (arrowhead) with small perfusion (average PP value = 0.13). F, Axial D map shows the tumor (arrowhead) with intermediate-to-large diffusion (average D value = 1.47 × 10−3 mm2/s).
