PMC317374_01
Photomicrograph showing pancreatic adenocarcinoma (Haematoxylin and Eosin x 100)
1477-7819-2-1-1.jpg
PMC317374_01_1477-7819-2-1-1.jpg
F1
Pathological examination of the resected pancreas showed a 33 mm, moderately differentiated invasive adenocarcinoma (Figure 1), arising from a severely dysplastic villous adenoma of the ampulla.
Photomicrograph showing Gastrointestinal stromal tumours a) Bland spindle cells arranged in a storiform pattern set within muscle wall with no necrosis, mitotic figures or pleomorphism seen. (Haematoxylin and Eosin x 100) b) Positive staining with CD 117 (x100) c) Negative staining with S100 (x 100) d) Positive staining with CD34 (x 100)
1477-7819-2-1-2.jpg
PMC317374_01_1477-7819-2-1-2.jpg
F2
Microscopically the lesions were composed of bland spindle cells arranged in a storiform pattern set within muscle wall (Figure 2a). Tumour cells were positive for CD117 (Figure 2b) and CD34 (Figure 2d) but were negative for S100 protein (Figure 2c), neurofilament, synaptophysin, desmin, smooth muscle actin and calponin.