PMC3687197_01
Axial CT neck showing a 19 x 23 mm well encapsulated mass in right anterior parotid bed. It has fat-like enhancement
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F1
Computed tomography (CT) scan showed a 1.9x2.3 cm encapsulated hypodense, hypoenhancing mass in the anterosuperior aspect of the right parotid gland [Figure 1].
Image showing well demarcated mass with fat and admixed epithelial elements. (H and E, x40)
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F2
A diagnosis of sialolipoma was rendered [Figures 2-4].
Image showing salivary gland elements with oncocytic change intermingled with mature adipose tissue, separated by fibrous capsule from normal parotid gland parenchyma. (H and E, x200)
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F3
A diagnosis of sialolipoma was rendered [Figures 2-4].
Image showing lesion with lymphocytic infiltrate and oncocytic metaplasia in a background of mature fat cells. (H and E, x100)
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F4
A diagnosis of sialolipoma was rendered [Figures 2-4].