PMC4408686_01
Tumor cells arranged in papillary configuration (Pap, x200)
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F1
Some of the clusters had a distinct papillary configuration [Figure 1].
Papillary fragments revealing round to oval cells with hyper-chromatic nuclei and prominent nucleoli and abundant vacuolated cytoplasm (Pap, x400)
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F2
The tumor cells contained ovoid nuclei with irregular nuclear membranes, fine to coarse clumped chromatin and prominent nucleoli [Figure 2].
Clusters and papillary fragments of atypical cells containing abundant cytoplasm. (MGG, x200). Extracellular hyaline material (MGG, x100 [Inset])
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F3