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| Caption = Medullary thyroid carcinoma. [[H&E stain]]. | | Caption = Medullary thyroid carcinoma. [[H&E stain]]. | ||
| Synonyms = | | Synonyms = | ||
| Micro = | | Micro = nuclei with neuroendocrine features (round nuclei with salt-and-pepper chromatin), +/-[[amyloid]] deposits (fluffy appearing acellular eosinophilic material), +/-[[C-cell hyperplasia]] | ||
| Subtypes = | | Subtypes = | ||
| LMDDx = | | LMDDx = | ||
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| Molecular = | | Molecular = | ||
| IF = | | IF = | ||
| Gross = | | Gross = usu. well-circumscribed, white, gray or yellow, gritty, firm | ||
| Grossing = | | Grossing = | ||
| Site = [[thyroid gland]] | | Site = [[thyroid gland]] |
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