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Fig. 2 | Surgical Case Reports

Fig. 2

From: Metastatic papillary thyroid carcinoma presenting with elevated serum levels of carbohydrate antigen 19-9 (CA19-9): a case report

Fig. 2

a, b Histopathology revealed atypical cell proliferation with a papillary structure and nuclear findings of PTC including psammoma bodies in the cells of the liver tumor. Immunohistology for the liver tumor revealed that the carcinoma cells showed intensive apical membranes positivity for (c) CA19-9 and along apical membranes for (d) thyroglobulin. e Primary PTC cells resected 16 years ago show cell membranous and cytoplasmic positivity for CA19-9 (right). Normal thyroid follicular cells are negative (left)

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