Click on image to view larger version.
Fig 4. A 54-year-old man with ME. A, Precontrast axial CT scan shows a well-defined mass with a lobulated margin in the superficial lobe of the right parotid gland abutted on the capsule of the gland (arrow). B, Contrast-enhanced axial CT scan shows the mass with inhomogeneous enhancement. It contains enhancing nodules (arrows) and nonenhancing linear band (arrowheads). C, Microscopic examination (HE; x2) shows the stroma (black asterisks) and epithelioid nests (arrows) with a lot of vessels. D, Microscopic examination (HE; x100) shows that the nest is composed of plasmacytoid.
