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Insights into Imaging
Fig. 22 | Insights into Imaging

Fig. 22

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

Fig. 22

Peritoneal sarcomatosis arising from a GIST of the stomach. a, b) Axial CT images in the portal phase show a large necrotic and exophytic mass arising from the greater curvature of the stomach (red arrows), with solid omental nodules corresponding to peritoneal implants (white arrows). c H&E stain photomicrograph shows a cellular tumor with a storiform pattern and moderate cytologic atypia. d Immunohistochemistry shows positive staining for c-Kit, confirming the diagnosis

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