Chondroma classification
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief: Farima Kahe M.D. [2] Soujanya Thummathati, MBBS [3]
Overview
Chondromas may be classified into two broad types based on their location: enchondromas (tumor grows within the bone and expands it) and ecchondroma (tumor grows outward from the bone).[1]
Classification
- Chondroma may be classified according to the matrix, or substance, that they produce into 4 subtypes:[2][3][4][5][6][7][8]
- Osteoid or bone forming tumors
- Osteoid osteoma
- Osteoblastoma
- Cartilage forming tumors
- Osteochondroma (exostosis)
- Chondroma (enchondroma, periosteal chondroma)
- Chondroblastoma
- Chondromyxoid fibroma
- Fibrous lesions
- Fibrous dysplasia
- Ossifying fibroma (osteofibrous dysplasia)
- Nonossifying fibroma
- Cystic and vascular lesions
- Unicameral bone cyst
- Aneurysmal bone cyst
- Osteoid or bone forming tumors
- There is a less common classification for chondroma based on their anatomic locations:
- Chondroma of tip of the nose
- Extraskeletal chondroma of the scalp
- Intracranial chonrdoma
- Sacrococcygeal chonrdoma
- Skull base chonrdoma
- Spinal chonrdoma
References
- ↑ Chondroma. Wikipedia. https://en.wikipedia.org/wiki/Chondroma Accessed on January 4, 2016.
- ↑ Welkerling H, Werner M, Delling G (January 1996). "[Histologic grading of chondrosarcoma. A qualitative and quantitative analysis of 74 cases of the Hamburg bone tumor register]". Pathologe (in German). 17 (1): 18–25. PMID 8685092.
- ↑ Katenkamp D (February 2011). "[Histological classification of soft tissue tumors and staging according to the TNM system]". Pathologe (in German). 32 (1): 8–13. doi:10.1007/s00292-010-1391-1. PMID 20959989.
- ↑ Orlowski JP, Mercer RD (April 1977). "Osteoid osteoma in children and young adults". Pediatrics. 59 (4): 526–32. PMID 850593.
- ↑ Greenspan A (October 1993). "Benign bone-forming lesions: osteoma, osteoid osteoma, and osteoblastoma. Clinical, imaging, pathologic, and differential considerations". Skeletal Radiol. 22 (7): 485–500. PMID 8272884.
- ↑ McLeod RA, Dahlin DC, Beabout JW (February 1976). "The spectrum of osteoblastoma". AJR Am J Roentgenol. 126 (2): 321–5. doi:10.2214/ajr.126.2.321. PMID 175701.
- ↑ Copley L, Dormans JP (August 1996). "Benign pediatric bone tumors. Evaluation and treatment". Pediatr. Clin. North Am. 43 (4): 949–66. PMID 8692589.
- ↑ Pannier S, Legeai-Mallet L (March 2008). "Hereditary multiple exostoses and enchondromatosis". Best Pract Res Clin Rheumatol. 22 (1): 45–54. doi:10.1016/j.berh.2007.12.004. PMID 18328980.