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chondroma; enchondroma
Benign neoplasm of cartilage, may be skeletal or extraskeletal.
Epidemiology:
1) common in hands
2) most common benign neoplasm of bones of feet
Pathology:
- histologically similar to chondrosarcoma
Clinical manifestations:
1) tends to present in young adults
2) generally painless, incidental finding
Radiology:
1) X-ray of affected region
2) CT, MRI or bone scan useful
Complications:
- may transform into chondrosarcoma
- size > 5 cm2 increases likelihood [1]
Differential diagnosis:
- chondrosarcoma
Management:
1) surgery generally not necessary, unless chondrosarcoma suspected
2) curettage & calcium phosphate bone cementing has been reported [2]
Related
synovial chondromatosis; Reichel's syndrome; Reichel-Jones-Henderson syndrome
General
chondroid neoplasm (cartilage neoplasm)
References
- Gajewski DA et al,
Differentiating clinical and radiographic features of
enchondroma and secondary chondrosarcoma in the foot.
Foot Ankle Int. 2006, 27:240
PMID: 16624212
- Yasuda M et al,
Treatment of enchondroma of the hand with injectable calcium
phosphate bone cement.
J Hand Surg [Am]. 2006, 31:98
PMID: 16443112
- Weiner SD,
Enchondroma and chondrosarcoma of bone: clinical, radiologic
and histologic differentiation.
Instr Course Lect 2004, 53:645
PMID: 15116654
- Flemming DJ and Murphey MD,
Endochondroma and chondrosarcoma.
Semin Musculoskelet Radiol 2000, 4:59
PMID: 11061692