case_images: PMC7136787_01
case_images: The tumor predominantly consists of signet ring cells floating in mucinous substance (hematoxylin and eosin staining; magnification: (a) x40 and (b, c) x200).
case_images: CRIPA2020-2134546.001.jpg
case_images: PMC7136787_01_CRIPA2020-2134546.001.jpg
case_images: fig1
case_images: Histologically, most of the mass was composed of single or clusters of signet ring cells arranged in small groups or individual cells admixed with abundant extracellular mucin (Figure 1).
case_images: (a) Brenner tumor component from low power (x20 magnification; H&E stain). (b) Benign Brenner tumor lined with transitional epithelium in a fibrous stroma (x200 magnification; H&E stain). (c) Malignant Brenner tumor invading adjacent stroma (x200 magnification; H&E stain).
case_images: CRIPA2020-2134546.002.jpg
case_images: PMC7136787_01_CRIPA2020-2134546.002.jpg
case_images: fig2
case_images: This was consistent with presence of both benign and malignant components of a Brenner tumor (Figure 2).