Chondrosarcoma classification: Difference between revisions

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{{CMG}}; {{AE}} {{Rohan}}
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==Overview==
==Overview==
There is no established system for the classification of [disease name].
Chondrosarcoma may be classified based on histological findings and location.
 
OR
 
[Disease name] may be classified according to [classification method] into [number] subtypes/groups: [group1], [group2], [group3], and [group4].
 
OR
 
[Disease name] may be classified into [large number > 6] subtypes based on [classification method 1], [classification method 2], and [classification method 3].
[Disease name] may be classified into several subtypes based on [classification method 1], [classification method 2], and [classification method 3].
 
OR
 
Based on the duration of symptoms, [disease name] may be classified as either acute or chronic.
 
OR
 
If the staging system involves specific and characteristic findings and features:
According to the [staging system + reference], there are [number] stages of [malignancy name] based on the [finding1], [finding2], and [finding3]. Each stage is assigned a [letter/number1] and a [letter/number2] that designate the [feature1] and [feature2].
 
OR
 
The staging of [malignancy name] is based on the [staging system].
 
OR
 
There is no established system for the staging of [malignancy name].
 
==Classification==
==Classification==
*Chondrosarcoma be classified based on histological findings, location and imaging findings.
*Chondrosarcoma be classified based on [[Histology|histological findings]] and location.


===Histological Classification===
===Histological Classification===
*Chondrosarcoma may be classified based on histological findings into following groups:<ref name="pmid8378694">{{cite journal| author=Raymond E, L'Her P, Jeanbourquin D, Schill H, Jancovici R, Daly JP et al.| title=[Chondrosarcoma of the thoracic wall. Review of the literature apropos of 4 cases]. | journal=Rev Pneumol Clin | year= 1993 | volume= 49 | issue= 1 | pages= 19-25 | pmid=8378694 | doi= | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=8378694  }} </ref><ref name="pmid30559960">{{cite journal| author=Lex JR, Evans S, Stevenson JD, Parry M, Jeys LM, Grimer RJ| title=Dedifferentiated chondrosarcoma of the pelvis: clinical outcomes and current treatment. | journal=Clin Sarcoma Res | year= 2018 | volume= 8 | issue=  | pages= 23 | pmid=30559960 | doi=10.1186/s13569-018-0110-1 | pmc=6293503 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=30559960  }} </ref>
*Chondrosarcoma may be classified based on [[Histological|histological findings]] into following groups:<ref name="pmid8378694">{{cite journal| author=Raymond E, L'Her P, Jeanbourquin D, Schill H, Jancovici R, Daly JP et al.| title=[Chondrosarcoma of the thoracic wall. Review of the literature apropos of 4 cases]. | journal=Rev Pneumol Clin | year= 1993 | volume= 49 | issue= 1 | pages= 19-25 | pmid=8378694 | doi= | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=8378694  }} </ref><ref name="pmid30559960">{{cite journal| author=Lex JR, Evans S, Stevenson JD, Parry M, Jeys LM, Grimer RJ| title=Dedifferentiated chondrosarcoma of the pelvis: clinical outcomes and current treatment. | journal=Clin Sarcoma Res | year= 2018 | volume= 8 | issue=  | pages= 23 | pmid=30559960 | doi=10.1186/s13569-018-0110-1 | pmc=6293503 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=30559960  }} </ref>


'''Primary Chondrosarcoma'''
'''Primary Chondrosarcoma'''
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'''Secondary Chondrosarcoma'''
'''Secondary Chondrosarcoma'''
*Chondrosarcoma that arises from benign cartilage lesions includes (7% of all chondrosarcomas):
*Chondrosarcoma that arises from [[benign]] [[cartilage]] lesions includes (7% of all chondrosarcomas):
**Osteochondroma (<1% risk of malignant transfomation)
**[[Osteochondroma]] (<1% risk of [[malignant]] transfomation)
**Multiple hereditary exostosis (1-10% risk of malignant transformation)
**Multiple hereditary exostosis (1-10% risk of [[malignant]] transformation)
**Enchondromas (1% risk of malignant transformation)
**[[Enchondroma|Enchondromas]] (1% risk of [[malignant]] transformation)
**Ollier's disease (25-40% risk of malignant transformation)
**[[Enchondroma|Ollier's disease]] (25-40% risk of [[malignant]] transformation)
**Maffucci's disease(100% risk of malignant transformation)
**[[Maffucci's disease]](100% risk of [[malignant]] transformation)


===Based on Location===
===Based on Location===
*Chondrosarcoma may be classified based on location into following groups:<ref name="pmid19411454">{{cite journal| author=Giuffrida AY, Burgueno JE, Koniaris LG, Gutierrez JC, Duncan R, Scully SP| title=Chondrosarcoma in the United States (1973 to 2003): an analysis of 2890 cases from the SEER database. | journal=J Bone Joint Surg Am | year= 2009 | volume= 91 | issue= 5 | pages= 1063-72 | pmid=19411454 | doi=10.2106/JBJS.H.00416 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=19411454  }} </ref><ref name="pmid17908885">{{cite journal| author=Skeletal Lesions Interobserver Correlation among Expert Diagnosticians (SLICED) Study Group| title=Reliability of histopathologic and radiologic grading of cartilaginous neoplasms in long bones. | journal=J Bone Joint Surg Am | year= 2007 | volume= 89 | issue= 10 | pages= 2113-23 | pmid=17908885 | doi=10.2106/JBJS.F.01530 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=17908885  }} </ref>
*Chondrosarcoma may be classified based on location into following groups:<ref name="pmid19411454">{{cite journal| author=Giuffrida AY, Burgueno JE, Koniaris LG, Gutierrez JC, Duncan R, Scully SP| title=Chondrosarcoma in the United States (1973 to 2003): an analysis of 2890 cases from the SEER database. | journal=J Bone Joint Surg Am | year= 2009 | volume= 91 | issue= 5 | pages= 1063-72 | pmid=19411454 | doi=10.2106/JBJS.H.00416 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=19411454  }} </ref><ref name="pmid17908885">{{cite journal| author=Skeletal Lesions Interobserver Correlation among Expert Diagnosticians (SLICED) Study Group| title=Reliability of histopathologic and radiologic grading of cartilaginous neoplasms in long bones. | journal=J Bone Joint Surg Am | year= 2007 | volume= 89 | issue= 10 | pages= 2113-23 | pmid=17908885 | doi=10.2106/JBJS.F.01530 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=17908885  }} </ref>
**Centrally located within the medullary cavity. (central chondrosarcoma) (70% of all chondrosarcomas)
**Centrally located within the [[medullary cavity]]. (central chondrosarcoma) (70% of all chondrosarcomas)
**Peripherally located on the surface of bone as a result of malignant transformation within the cartilaginous cap. (Peripheral chondrosarcoma) (15% of all chondrosarcomas)
**Peripherally located on the surface of bone as a result of [[malignant]] transformation within the [[cartilaginous]] cap. (Peripheral chondrosarcoma) (15% of all chondrosarcomas)
 
===Enneking (MSTS) Staging System===
*The Enneking surgical staging system (also known as the MSTS system) for malignant [[Musculoskeletal system|musculoskeletal]] [[Tumor|tumors]] based on [[radiographic]] characteristics of the tumor host margin.<ref name="pmid20333492">{{cite journal| author=Jawad MU, Scully SP| title=In brief: classifications in brief: enneking classification: benign and malignant tumors of the musculoskeletal system. | journal=Clin Orthop Relat Res | year= 2010 | volume= 468 | issue= 7 | pages= 2000-2 | pmid=20333492 | doi=10.1007/s11999-010-1315-7 | pmc=2882012 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=20333492  }} </ref>
*It is widely accepted and routinely used classification.
 
{| style="border: 0px; font-size: 90%; margin: 3px; width: 1000px" align="center"
| valign="top" |
|-
! style="background: #4479BA; width: 200px;" | {{fontcolor|#FFF|Stages}}
! style="background: #4479BA; width: 300px;" | Grade
!Site
!Metastasis
|-
| style="padding: 5px 5px; background: #DCDCDC; font-weight: bold; text-align:center;" |IA
| style="padding: 5px 5px; background: #F5F5F5;" | G1: Low grade
| style="padding: 5px 5px; background: #F5F5F5;" | T1: Intracompartmental
| style="padding: 5px 5px; background: #F5F5F5;" | M0: No metastasis
|-
| style="padding: 5px 5px; background: #DCDCDC; font-weight: bold; text-align:center;" |IB
| style="padding: 5px 5px; background: #F5F5F5;" | G1: Low grade
| style="padding: 5px 5px; background: #F5F5F5;" | T2: Extracompartmental
| style="padding: 5px 5px; background: #F5F5F5;" | M0: No metastasis
|-
| style="padding: 5px 5px; background: #DCDCDC; font-weight: bold; text-align:center;" |IIA
| style="padding: 5px 5px; background: #F5F5F5;" | G2: High grade
| style="padding: 5px 5px; background: #F5F5F5;" | T1: Intracompartmental
| style="padding: 5px 5px; background: #F5F5F5;" | M0: No metastasis
|-
| style="padding: 5px 5px; background: #DCDCDC; font-weight: bold; text-align:center;" |IIB
| style="padding: 5px 5px; background: #F5F5F5;" | G2: High grade
| style="padding: 5px 5px; background: #F5F5F5;" | T2: Extracompartmental
| style="padding: 5px 5px; background: #F5F5F5;" | M0: No metastasis
|-
| style="padding: 5px 5px; background: #DCDCDC; font-weight: bold; text-align:center;" |III
| style="padding: 5px 5px; background: #F5F5F5;" | G1 or G2
| style="padding: 5px 5px; background: #F5F5F5;" | T1 or T2
| style="padding: 5px 5px; background: #F5F5F5;" | M1: Regional or distant metastasis
|}


==References==
==References==
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[[Category:Disease]]
[[Category:Up-To-Date]]
[[Category:Orthopedics]]
[[Category:Orthopedics]]
[[Category:Types of cancer]]
[[Category:Oncology]]
[[Category:Skeletal disorders]]
[[Category:Medicine]]

Latest revision as of 15:52, 24 January 2019

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Rohan A. Bhimani, M.B.B.S., D.N.B., M.Ch.[2]

Overview

Chondrosarcoma may be classified based on histological findings and location.

Classification

Histological Classification

Primary Chondrosarcoma

  • Chondrosarcoma that arises denovo and comprises of following subtypes:
    • Conventional chondrosarcoma - Low-grade, high-grade, and dedifferentiated chondrosarcoma (90% of all chondrosarcomas)
    • Clear cell chondrosarcoma (1% of all chondrosarcomas)
    • Mesenchymal chondrosarcoma (2% of all chondrosarcomas)

Secondary Chondrosarcoma

Based on Location

  • Chondrosarcoma may be classified based on location into following groups:[3][4]
    • Centrally located within the medullary cavity. (central chondrosarcoma) (70% of all chondrosarcomas)
    • Peripherally located on the surface of bone as a result of malignant transformation within the cartilaginous cap. (Peripheral chondrosarcoma) (15% of all chondrosarcomas)

References

  1. Raymond E, L'Her P, Jeanbourquin D, Schill H, Jancovici R, Daly JP; et al. (1993). "[Chondrosarcoma of the thoracic wall. Review of the literature apropos of 4 cases]". Rev Pneumol Clin. 49 (1): 19–25. PMID 8378694.
  2. Lex JR, Evans S, Stevenson JD, Parry M, Jeys LM, Grimer RJ (2018). "Dedifferentiated chondrosarcoma of the pelvis: clinical outcomes and current treatment". Clin Sarcoma Res. 8: 23. doi:10.1186/s13569-018-0110-1. PMC 6293503. PMID 30559960.
  3. Giuffrida AY, Burgueno JE, Koniaris LG, Gutierrez JC, Duncan R, Scully SP (2009). "Chondrosarcoma in the United States (1973 to 2003): an analysis of 2890 cases from the SEER database". J Bone Joint Surg Am. 91 (5): 1063–72. doi:10.2106/JBJS.H.00416. PMID 19411454.
  4. Skeletal Lesions Interobserver Correlation among Expert Diagnosticians (SLICED) Study Group (2007). "Reliability of histopathologic and radiologic grading of cartilaginous neoplasms in long bones". J Bone Joint Surg Am. 89 (10): 2113–23. doi:10.2106/JBJS.F.01530. PMID 17908885.

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