PMC5932524_01
CT scan with contrast axial view. Despite severe metal streak artefacts due to presence of amalgam, a homogenous enhancing lesion measuring about 17*15 mm is demonstrated in the deep portion of left parotid gland.
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fig1
(a) & (b) low and high power view of aspirated material showing mixture of variably sized lymphocytes with few clusters of ductal epithelial cells ((a) x10 and (b) x40 papanicolaou stain). (c) & (d) low and high power view of the same material showing lymphocytic background with some dense proteinaceous material and ductal epithelial clusters ((a) x10 and (b) x40 wright stain).
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fig2
Therefore the diagnosis was made as benign process, suggestive of intrasalivary gland lymph node with reactive changes (Figure 2).
Gross appearance of mass. There is a well-defined tan-brown mass with solid cut surface attached to normal parotid tissue.
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fig3
No necrosis or hemorrhage was seen (Figure 3).
Sebaceous lymphadenoma micrograph ((a) x10). The tumor is biphasic composed of epithelial nests and lymphoid background; ((b) x40) solid nests with squamous and sebaceous differentiation.
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fig4
The lymphoid background was composed of multiple lymphoid follicles with germinal centers (Figure 4).