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Fig. 2 | Diagnostic Pathology

Fig. 2

From: Tumor-to-tumor metastasis from appendiceal adenocarcinoma to an ovarian mature teratoma, mimicking malignant transformation of a teratoma: a case report

Fig. 2

Right ovarian tumor. a Macroscopic examination shows a cystic tumor filled with greasy, yellow sebaceous material and a firm, well-demarcated, white nodule. b Microscopic examination shows the cystic wall covered with keratinizing stratified epithelium (H&E). c Microscopic examination shows the firm nodule consisted of neoplastic glandular components that contained scattered mucinous cells with signet ring features, focally forming small clusters without distinct glandular lumens (H&E). Immunohistochemical staining shows (d) CDX-2, (e) SATB2, and (f) CD56 (focal) positivity

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Diagnostic Pathology

ISSN: 1746-1596

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