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Fig. 2 | BMC Gastroenterology

Fig. 2

From: Clinical characteristics and surgical treatments of primary hepatic angiosarcoma

Fig. 2

Pathologic findings in patients 1, 2, 3 and 4. Pathology findings in patient 1 [a, hematoxylin and eosin (H&E) stain, × 400; b, immunohistochemical stain of CD31, × 200] showed the endothelial cells with mild to moderate heterotype, hyperchromatic nuclei, and CD31 positive. Pathology findings in patient 2 (c, H&E stain, × 100; d, immunohistochemical stain of CD31, × 200) show that mitotic were found to anastomose with each other to form vascular like structures, favoring angiosarcoma and CD34 positive. Pathology findings in patient 3 (e, H&E stain, × 200; f, immunohistochemical stain of FLi-1, × 200) show malignant spindle cell tumor, favoring angiosarcoma and FLi-1 positive. Pathology findings in patient 4 (g, H&E stain, × 200; h, immunohistochemical stain of CD31, × 200) show malignant spindle cell tumor, favoring angiosarcoma and CD31 positive

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