Image search results - "medullary," |

Monomorphic population of plasmacytoid cells with amyloid.
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Epithelioid cells with anisonucleosis and red cytoplasmic granules. Amyloid is present.
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Fusiform (spindle-shaped) cell pattern with abundant amyloid.
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Large epithelioid cells. rare intranuclear inclusion (arrow), red calcitonin granules, and amyloid.
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