Soft tissue
Extraskeletal bone tumors
Soft tissue chondroma
Author: Vijay Shankar, M.D.
Last author update: 1 November 2012
Last staff update: 11 May 2023 (update in progress)
Copyright: 2002-2023, PathologyOutlines.com, Inc.
PubMed Search: Extraskeletal chondroma
Table of Contents
Definition / general | Case reports | Clinical images | Gross description | Gross images | Microscopic (histologic) description | Microscopic (histologic) images | Cytology images | Differential diagnosisCite this page: Shankar V. Soft tissue chondroma. PathologyOutlines.com website. https://www.pathologyoutlines.com/topic/softtissueeskchondroma.html. Accessed June 4th, 2023.
Definition / general
- Benign cartilaginous tumor, usually in adults in hands or feet; may recur locally
Case reports
- 3 year old boy with slowly enlarging painless mass arising in retroaxillar region of hand (Tunis Med 2011;89:379)
- 42 year old man with swelling in foot (Oman Med J 2009;24:296)
- 43 year old man with soft tissue tumor of thumb (Tunis Med 2010;88:750)
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
- Calcifying aponeurotic fibroma
- Chondrosarcoma:
- Rare in hands and feet, infiltrative and destructive, high grade
