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Illustration of fine needle aspiration biopsy findings in a case of papillary thyroid carcinoma showing (A) (Papanicolaou stain, ×100) papillae with underlying prominent fibrovascular cores (arrow); (B,C) (Papanicolaou stain, ×200) the tumor cells show characteristic nuclear features of PTC with enlarged oval nucleus, open nuclear chromatin including nuclear grooves and few intranuclear inclusions (arrows).
