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Insights into Imaging
Fig. 8 | Insights into Imaging

Fig. 8

From: Primary and secondary tumors of the peritoneum: key imaging features and differential diagnosis with surgical and pathological correlation

Fig. 8

Benign multicystic peritoneal mesothelioma in a 41-year-old woman with history of ulcerative colitis and left flank pain. Axial (a, b) and coronal (c, d) CT images in the portal phase show cystic confluent lesions of grapelike appearance on the left paracolic gutter (red arrows), with stranding of adjacent omental fat and a small amount of ascitic fluid (blue arrows). e Intraoperative view demonstrates clusters of small thin-walled cysts in the greater omentum with a grapelike morphology. f H&E stain photomicrograph of the surgical biopsy shows multiple cystic spaces with hyaline fibrous septa, lined by sheets of epithelium with mesothelial cells

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