Thyroid FNA

MICROSCOPIC DESCRIPTION: The smears are hypercellular and contain atypical epithelial cells presenting in sheets, and complex crowded tissue fragments. The cells show predominantly spindle-shape morphology with ovoid and elongated nuclei but others have a "plasmacytoid" appearance. The nuclei exhibit stippled chromatin pattern. Nucleoli are inconspicuous. Small globules of metachromatic material are present in the background.

DIAGNOSIS: FNA Thyroid - Left Lobe: Medullary carcinoma.

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