Figure 1.

Parathyroid carcinoma occupying nearly the whole thyroid gland (Th). Thick sharply outlined bands of acellular collagenous tissue completely divide the tumor into irregular lobules. The tumor cells are arranged in diffuse masses, solid sheets, closely packed nests or compact trabeculae (H&E). Bar: 250 μm.

Temmim et al. Diagnostic Pathology 2008 3:46   doi:10.1186/1746-1596-3-46
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