case_images: PMC3254232_01
case_images: Preoperative CT scan showing a large, solid mass in the liver.
case_images: CRIM2011-748194.001.jpg
case_images: PMC3254232_01_CRIM2011-748194.001.jpg
case_images: fig1
case_images: Abdominal ultrasonography and computed tomography (CT) scans showed a solid mass in the right hepatic lobe, measuring 21 cm in its largest diameter, with possible colon and right kidney invasion, and vena cava compression (Figure 1).
case_images: PNET arising in the liver: diffuse sheet of uniform small round cells in a lobulated growth pattern, HE, 200x.
case_images: CRIM2011-748194.002.jpg
case_images: PMC3254232_01_CRIM2011-748194.002.jpg
case_images: fig2
case_images: On hematoxylin-eosin staining, a neoplastic process composed of sheets or lobules of small round cells, with little cytoplasm, and darkly staining, round or oval nuclei, was identified (Figure 2).
case_images: PNET arising in the liver: positive immunoexpression for vimentin, streptavidin-biotin, 200x.
case_images: CRIM2011-748194.003.jpg
case_images: PMC3254232_01_CRIM2011-748194.003.jpg
case_images: fig3
case_images: The immunohistochemical study of lesion revealed positive expression for vimentin (Vim 3B4:Figure 3) and CD99 (12E7:Figure 4), and negative immunostaining for desmin (D33), cytokeratin (AE1/AE3), and neuroblastoma protein (NB84).
case_images: PNET arising in the liver: the tumor cells show immunoreactivity for CD99, streptavidin-biotin, 200x.
case_images: CRIM2011-748194.004.jpg
case_images: PMC3254232_01_CRIM2011-748194.004.jpg
case_images: fig4
case_images: The immunohistochemical study of lesion revealed positive expression for vimentin (Vim 3B4:Figure 3) and CD99 (12E7:Figure 4), and negative immunostaining for desmin (D33), cytokeratin (AE1/AE3), and neuroblastoma protein (NB84).