Cite this page: Pernick, N. Paraganglioma. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/nasalparaganglioma.html. Accessed July 16th, 2018.
Definition / general
- Intranasal or nasopharyngeal mass, often near fossa of Rosenmüller
- Due to paraganglia associated with vagus nerve
- Slow growing
- Biopsy may cause extensive hemorrhage
Microscopic (histologic) description
- Tight nesting pattern (Zellballen) of cells with prominent cytoplasm, no / rare mitotic figures, surrounded by S100+ sustentacular (Schwann) cells