| Top rated |

Small cluster of epithelioid histiocytes and some follicular cells.     (44 votes)
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Poorly Differentiated Carcinoma (Insular Carcinoma).     (44 votes)
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Large pleomorphic cells in a sparsely cellular sample.     (44 votes)
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Papillary thyroid carcinoma. Note the microfollicles.     (33 votes)
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Papillary thyroid carcinoma with intranuclear pseudoinclusions.     (22 votes)
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PTC, Columnar Cell Variant.     (31 votes)
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Large keratin pearl (ThinPrep).     (40 votes)
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Papillary thyroid carcinoma. Note that there is only slight cellular overlap in this case.     (36 votes)
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Anaplastic Carcinoma of Thyroid     (18 votes)
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Malignant cells with an osteoclast-type giant cell.     (41 votes)
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Spindle-shaped cells (ThinPrep).     (41 votes)
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Histologic view of a hyalinizing trabecular adenoma (high magnification).     (46 votes)
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