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Clinical differences between central and peripheral chondrosarcomas.

Minna K Laitinen1, Scott Evans2, Jonathan Stevenson2,3

  • 1Department of Orthopaedics, Helsinki University Hospital, University of Helsinki, Helsinki, Finland.

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|May 3, 2021
PubMed
Summary
This summary is machine-generated.

Conventional chondrosarcoma subtypes, central and peripheral, exhibit distinct characteristics and syndrome associations. Survival rates are comparable across subtypes when adjusted for grade and surgical margins.

Keywords:
Bone neoplasmChondrosarcomaHereditary multiple exostosisPrognosisRetrospective studySyndrome

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Area of Science:

  • Orthopedic Oncology
  • Bone Sarcomas
  • Skeletal Dysplasias

Background:

  • Conventional chondrosarcoma is the most common primary bone sarcoma.
  • Central and peripheral subtypes may have differing clinical behaviors and prognoses.
  • Syndromic associations with chondrosarcoma are not well-delineated.

Purpose of the Study:

  • To differentiate characteristics between central and peripheral chondrosarcomas.
  • To investigate the incidence and impact of specific genetic syndromes on chondrosarcoma presentation and outcomes.
  • To compare survival rates between chondrosarcoma subtypes and syndromic groups.

Main Methods:

  • Retrospective review of 714 surgically treated conventional chondrosarcoma patients.
  • Data collected from two international tertiary referral sarcoma centers (1995-2018).
  • Analysis of tumor location, syndromic associations (Ollier's disease, Maffucci's syndrome, hereditary multiple exostosis), and survival outcomes.

Main Results:

  • Hereditary multiple exostosis (HME) was associated with peripheral chondrosarcoma, commonly in the ilium and scapula.
  • Ollier's disease and Maffucci's syndrome were more frequently linked to limb chondrosarcomas.
  • Disease-specific survival was similar for central and peripheral chondrosarcoma subtypes after adjusting for histological grade.

Conclusions:

  • Central and peripheral chondrosarcomas demonstrate unique characteristics and syndrome associations.
  • HME is a notable comorbidity with peripheral chondrosarcoma, particularly in the ilium and scapula.
  • Disease-specific and recurrence-free survival are comparable across chondrosarcoma subtypes and locations when adjusted for prognostic factors.