Figure 9b.
Borderline mucinous tumor arising from mucinous cystadenoma in a 41-year-old woman with abdominal distention. (a, b) Axial (a) and sagittal (b) contrast-enhanced CT images show a multiloculated cystic mass (black *). Note the ascites (white * in b). (c) Photograph of the gross pathologic specimen shows a multiloculated cystic mass. (d) Photomicrograph shows benign mucinous cystadenoma (arrow) and borderline mucinous cystadenoma (*). (H-E stain; original magnification, ×4.)