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Mucin Extravasation in Mucinous Borderline Tumor

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Comments:
Mucin extravasation in a mucinous borderline tumor (MBT) of the ovary: The neoplastic glands distented with mucin may sometimes rupture and incite a granulomatous or foreign body giant cell reaction (mucin granuloma). Neoplastic epithelium may be extruded from the ruptured gland and mimic stromal invasion. Metastases from mucin-producing adenocarcinomas of the appendix or the pancreaticobiliary tree must also be clinically excluded.

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