PMC2964854_01
Big papillary clusters having fibrovascular core (Giemsa, x100)
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F0001
FNAC smears were composed of big papillary clusters having a fibrovascular core [Figure 1] and few monolayered sheets of follicular epithelial cells. Few cells showed intranuclear cytoplasmic inclusions [Figure 2] and nuclear grooving in the background of scant colloid and many cyst macrophages.
Follicular epithelial cells showing intranuclear cytoplasmic inclusions (Pap, x1000)
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F0002
FNAC smears were composed of big papillary clusters having a fibrovascular core [Figure 1] and few monolayered sheets of follicular epithelial cells. Few cells showed intranuclear cytoplasmic inclusions [Figure 2] and nuclear grooving in the background of scant colloid and many cyst macrophages.
Multiple branching papillae with thin fibro-vascular core (H and E, x100)
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F0003
Microscopically, the cyst showed multiple branching papillae with a thin fibrovascular core projecting into its lumen [Figure 3].
Cells showed ground glass nuclei with few showing intranuclear cytoplasmic inclusions (H and E, x400)
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The cells showed ground glass nuclei, with few showing intranuclear cytoplasmic inclusions and grooves [Figure 4].