A comparison of intramedullary and juxtacortical low-grade osteogenic sarcoma

Joseph H. Schwab, Cristina R. Antonescu, Edward A. Athanasian, Patrick J. Boland, John H. Healey, Carol D Morris

Research output: Contribution to journalArticle

Abstract

While low-grade juxtacortical and low-grade intramedullary osteogenic sarcomas are histologically indistinguishable, they have been studied as separate entities. We retrospectively reviewed the clinical, radiographic, histologic features and treatment of 59 patients treated surgically to compare the rate of local recurrence, grade progression, and survival between low-grade intramedullary and low-grade juxtacortical osteogenic sarcoma. Forty-five (76%) patients were treated for low-grade juxtacortical osteogenic sarcoma and 14 (24%) were treated for low-grade intramedullary osteogenic sarcoma. Local recurrence rates of 7% were similar for both groups studied. The rate of distant metastases was also similar for both groups. . The rate of dedifferentiation for the entire group was 29%. Dedifferentiated lesions were treated with adjuvant chemotherapy in 16 of 17 cases. Recurrence preceded dedifferentiation in four cases. Five-year survival was over 90% in both groups. Low-grade intramedullary and low-grade juxtacortical osteogenic sarcoma were clinically indistinguishable with identical rates of local recurrence, distant metastases, dedifferentiation, and survival. Level of Evidence: Level III, therapeutic study. See the Guidelines for Authors for a complete description of levels of evidence.

Original languageEnglish (US)
Pages (from-to)1318-1322
Number of pages5
JournalClinical Orthopaedics and Related Research
Volume466
Issue number6
DOIs
StatePublished - Jun 2008
Externally publishedYes

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Osteosarcoma
Recurrence
Survival
Neoplasm Metastasis
Adjuvant Chemotherapy
Guidelines
Therapeutics

ASJC Scopus subject areas

  • Surgery
  • Orthopedics and Sports Medicine

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A comparison of intramedullary and juxtacortical low-grade osteogenic sarcoma. / Schwab, Joseph H.; Antonescu, Cristina R.; Athanasian, Edward A.; Boland, Patrick J.; Healey, John H.; Morris, Carol D.

In: Clinical Orthopaedics and Related Research, Vol. 466, No. 6, 06.2008, p. 1318-1322.

Research output: Contribution to journalArticle

Schwab, Joseph H. ; Antonescu, Cristina R. ; Athanasian, Edward A. ; Boland, Patrick J. ; Healey, John H. ; Morris, Carol D. / A comparison of intramedullary and juxtacortical low-grade osteogenic sarcoma. In: Clinical Orthopaedics and Related Research. 2008 ; Vol. 466, No. 6. pp. 1318-1322.
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