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Surgical Case Reports
Fig. 2 | Surgical Case Reports

Fig. 2

From: Anaplastic transformation of thyroid cancer in mesentery metastases presenting as intestinal perforation: a case report

Fig. 2

Pathological findings of the autopsy samples. a Tumor composed of pleomorphic spindle cells with eosinophilic cytoplasm and polymorphonuclear cell infiltration. (Hematoxylin and eosin stain, × 20). b Tumor cells with squamous differentiation (arrow) in the regional lymph node. (Hematoxylin and eosin stain, × 20). c Cytokeratin AE1/AE3-positive lesion shows squamous differentiation (× 20). d PAX-8 sporadically positive in the atypical lesion (× 40). e Tumors in the lung reveal morphology of typical papillary thyroid carcinoma (arrowhead). (Hematoxylin and eosin stain, × 10)

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