Chondroma classification: Difference between revisions

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==Classification==
==Classification==
*Chondromas may be classified into two  broad types based on their location:<ref name=rt>Chondroma. Wikipedia. https://en.wikipedia.org/wiki/Chondroma Accessed on January 4, 2016.</ref>
*Chondroma may be classified according to the matrix, or substance, that they produce into 4 subtypes:
**Enchondroma (tumor grows within the bone and expands it)
**Osteoid or bone forming tumors
**Ecchondroma (tumor grows outward from the bone) (for example, juxtacortical chondroma)
***Osteoid osteoma
*The most common sites are within the medullary canal of the bone (enchondroma) and [[periosteum]] of the tubular bones (juxtacortical chondroma).
***Osteoblastoma
*Less common types of chondromas, based on their anatomical locations may include:
**Cartilage forming tumors
**[[Patella]]r chondroma
***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
 
*There is a less common classification for chondroma based on their anatomic locations:
**Chondroma of tip of the nose
**Chondroma of tip of the nose
**Extraskeletal chondroma of the [[scalp]]
**Extraskeletal chondroma of the [[scalp]]
**Intracranial chordoma
**Intracranial chonrdoma
**Sacrococcygeal chordoma
**Sacrococcygeal chonrdoma
**Skull base chordoma
**Skull base chonrdoma
**Spinal chordoma
**Spinal chonrdoma


==References==
==References==

Revision as of 17:47, 18 April 2018

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1];Assistant Editor-in-Chief: Somal Khan Soujanya Thummathati, MBBS [2]

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:
    • 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
  • 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

  1. Chondroma. Wikipedia. https://en.wikipedia.org/wiki/Chondroma Accessed on January 4, 2016.


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