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: Osteochondromyxoma

Cite this page: Pernick, N. Osteochondromyxoma. website. Accessed September 21st, 2018.
Definition / general
  • Rare congenital bone tumor presenting as painless mass
  • Associated with Carney complex (familial lentiginous and multiorgan tumor syndrome, Am J Surg Pathol 2001;25:164)
  • Nasal region, also tibia, radius
  • Resection
  • Recurs if incompletely excised
Gross description
  • Gelatinous, cartilaginous, bony
Microscopic (histologic) description
  • Sheets and lobules of bland cells in myxomatous, cartilaginous, osseous and hyaline fibrous matrix
  • Low to moderate cellularity
  • Erodes bone and frequently extends into soft tissue