zellballen
PATHOLOGY
A teutonic term for nest-like clusters of uniform round-to-polygonal chief cells surrounded by delicate richly vascular tissue and sustentacular cells, a pattern characteristic of paraganglioma.
Electron microscopy 100–200 nm in diameter dense core granules–sites of norepinephrine production
Synonym Cell balls
Reference radiographics.rsna.org/content/20/4/1073/F38.large.jpg
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