Nasal cavity, paranasal sinuses, nasopharynx
Other tumors

Author: Nat Pernick, M.D. (see Authors page)

Revised: 24 May 2018, last major update November 2004

Copyright: (c) 2004-2018,, Inc.

PubMed Search: Paraganglioma[TI] nasal

Cite this page: Pernick, N. Paraganglioma. website. Accessed October 18th, 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