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WHO Classification of Tumours
Mucinous adenofibroma, NOS


A benign adenofibroma characterized by the presence of epithelial cells which contain intracytoplasmic mucin and a fibrotic stroma. A representative example is the ovarian mucinous adenofibroma. Cases with epithelial atypia described in the ovary lacking stromal invasion are designated as borderline mucinous adenofibromas and have a low grade malignant potential.