PMC3687171_01
Macroscopy shows whitish, oval shaped specimen measuring around 1.5x1 cm (inset: cut section showed a cystic cavity with yellow viscous fluid)
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F1
The lesion was cystic and filled with yellow, viscous, odorless fluid with white flecks [Figure 1].
Tumor exhibiting cellular areas and cystic spaces (H and E, x40)
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F2
The tumor was made up of two type of cell population [Figure 2].
Tumor composed of two cell population of epidermoid and clear cells. Epidermoid cells show faintly eosinophillic granular cytoplasm and clear cell are large round with small dark nuclei lining duct like spaces (H and E, x100)
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F3
The other type of cell was a large round clear cell with small dark nuclei, found along with duct like spaces [Figure 3].
Cystic epithelium consisting of 2-3 layers of cuboidal cells (H and E, x40)
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F4
Cystic areas at few places were lined by 1-3 layer of flat to cuboidal epithelium [Figure 4].
Connective tissue stroma showing melanin pigment and inflammatory cell infiltrate (H and E, x100)
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F5
Few areas in the stroma showed chronic inflammatory cells and melanin pigment [Figure 5].