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Difference between revisions of "Paraganglioma"
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*Zellballen - nests of cells - '''key low power feature'''. | *Zellballen - nests of cells - '''key low power feature'''. | ||
**Zellballen is "cell balls" in German. | **Zellballen is "cell balls" in German. | ||
*Fibrovascular septae. | *Fibrovascular septae and sustentacular cells (structural support cell). | ||
*Finely granular cytoplasm (salt-and-pepper nuclei). | *Finely granular cytoplasm (salt-and-pepper nuclei). | ||
*+/-Hemorrhage - very common. | *+/-Hemorrhage - very common. | ||
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*Chromogranin +ve. | *Chromogranin +ve. | ||
*Synaptophysin +ve. | *Synaptophysin +ve. | ||
*S100 +ve/-ve | *S100 +ve/-ve (+ve in sustentacular cells, not tumor cells) | ||
*Cytokeratin -ve. | *Cytokeratin -ve. | ||
*[[EMA]] -ve. | *[[EMA]] -ve. | ||
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Image: | Image: | ||
*[http://path.upmc.edu/cases/case408/images/fig14.jpg Neurosecretory granules (upmc.edu)].<ref name=em_stuff>URL: [http://path.upmc.edu/cases/case408.html http://path.upmc.edu/cases/case408.html]. Accessed on: 16 January 2012.</ref> | *[http://path.upmc.edu/cases/case408/images/fig14.jpg Neurosecretory granules (upmc.edu)].<ref name=em_stuff>URL: [http://path.upmc.edu/cases/case408.html http://path.upmc.edu/cases/case408.html]. Accessed on: 16 January 2012.</ref> | ||
==Sign out== | |||
<pre> | |||
SOFT TISSUE, LEFT/RIGHT CAROTID BODY, EXCISION: | |||
- PARAGANGLIOMA (SIZE IN CM). | |||
- NEGATIVE RESECTION MARGIN. | |||
</pre> | |||
==See also== | ==See also== | ||