Soft tissue
Extraskeletal bone tumors
Extraskeletal chondroma




Topic Completed: 1 November 2012

Revised: 21 March 2019

Copyright: 2002-2018, PathologyOutlines.com, Inc.

PubMed Search: Extraskeletal chondroma


Vijay Shankar, M.D.
Page views in 2018: 2,220
Page views in 2019 to date: 1,186
Cite this page: Shankar V. Extraskeletal chondroma. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/softtissueeskchondroma.html. Accessed June 18th, 2019.
Definition / general
  • Benign cartilaginous tumor, usually in adults in hands or feet; may recur locally
Case reports
Clinical images

Images hosted on other servers:

Thumb tumor

Foot tumor

Gross description
  • Lobulated, hyaline and calcified
Gross images

Images hosted on other servers:

Foot tumor

Microscopic (histologic) description
  • Lobulated on low power
  • Plump tumor cells with fine punctate calcification
  • Nuclear hyperchromasia common
  • May have focal fibrosis
  • May have osteoclast-like giant cells, histiocyte-like cells, vacuoles resembling lipoblasts
Microscopic (histologic) images

Images hosted on other servers:

Foot tumor

Cytology images

Images hosted on other servers:

Foot tumor

Differential diagnosis
Back to top