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Difference between revisions of "Neuroendocrine tumour of the pancreas"
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Neuroendocrine tumour of the pancreas (view source)
Revision as of 22:31, 23 November 2016
, 22:31, 23 November 2016→Images: Added low grade pancreatic neuroendocrine tumor
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(→Images: Added low grade pancreatic neuroendocrine tumor) |
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Image: Pancreatic neuroendocrine tumour - 2 -- high mag.jpg | Pancreatic NET - high mag. (WC/Nephron) | Image: Pancreatic neuroendocrine tumour - 2 -- high mag.jpg | Pancreatic NET - high mag. (WC/Nephron) | ||
</gallery> | </gallery> | ||
[[File: PANC NET LG 1 sl 1.png| Low grade pancreatic neuroendocrine tumor]] | |||
[[File: PANC NET LG 1 sl 2.png| Low grade pancreatic neuroendocrine tumor]] | |||
[[File: PANC NET LG 1 sl 3.png| Low grade pancreatic neuroendocrine tumor]] | |||
[[File: PANC NET LG 1 sl 4.png| Low grade pancreatic neuroendocrine tumor]] | |||
[[File: PANC NET LG 1 sl 5.png| Low grade pancreatic neuroendocrine tumor]] | |||
Low grade pancreatic neuroendocrine tumor. A. Stromal trabeculums (black arrows) support the uniform, non-necrotic tumor that has sharp edges (green arrows). B. Modestly variable, rounded nuclei show open chromatin and nucleoli. Individual pyknotic nuclei (black arrows) are insufficient as evidence of necrosis sufficient to increase grade. C. Immunostain. Cytoplasm is diffusely synaptophysin positive. D. Immunostain. Cytoplasm shows stippled chromogranin positivity. E. Immunostain. Only scattered nuclei are Ki67 positive. | |||
www: | www: | ||
*[http://path.upmc.edu/cases/case172/micro.html Islet cell tumour (upmc.edu)]. | *[http://path.upmc.edu/cases/case172/micro.html Islet cell tumour (upmc.edu)]. | ||