case_images: PMC2892686_01
case_images: Large nodular hepatic flexure lesions as seen on Colonoscopy.
case_images: CRM2010-615923.001.jpg
case_images: PMC2892686_01_CRM2010-615923.001.jpg
case_images: fig1
case_images: Upper and lower endoscopy were performed which revealed multiple areas of nodular thickening involving the gastric antrum proximal duodenum and the hepatic flexure of the colon (Figure 1).
case_images: (a) Histopathology of biopsies taken from gastric lesions showing infiltrating adenocarcinoma with signet ring cell morphology (Arrow). (b) Immunohistochemistry of (a) showing positive ER.
case_images: CRM2010-615923.002.jpg
case_images: PMC2892686_01_CRM2010-615923.002.jpg
case_images: fig2
case_images: Biopsies showed infiltrating adenocarcinoma with signet ring cell morphology suspicious for primary gastric tumor (Figure 2(a)). However, Immunoperoxidase stain of the specimen revealed cytokeratin (CK) 7 and ER both were positive (Figure 2(b)) while CK-20 and CDX2 were negative suggestive of metastatic breast carcinoma.