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Osteosarcoma and MFH of Bone With Metastatic Disease at Diagnosis

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    Bone Only or Bone With Lung Metastasis

    The second most common site of metastasis is another bone that is distant from the primary tumor. Patients with metastasis to other bones distant from the primary tumor experience roughly 10% EFS and OS.[1] In the Italian experience, of the patients who presented with primary extremity tumors and synchronous metastasis to other bones, only 3 of 46 patients remained continuously disease-free 5 years later.[8] Patients who have transarticular skip lesions have a poor prognosis.[9]

    Multifocal osteosarcoma is different from osteosarcoma which presents with a clearly delineated primary lesion and limited bone metastasis. Multifocal osteosarcoma classically presents with symmetrical, metaphyseal lesions, and it may be difficult to determine the primary lesion. Patients with multifocal bone disease at presentation have an extremely poor prognosis. No patient with synchronous multifocal osteosarcoma has ever been reported to be cured, but systemic chemotherapy and aggressive surgical resection may achieve significant prolongation of life.[10,11]

    When the usual treatment course of preoperative chemotherapy followed by surgical ablation of the primary tumor and resection of all overt metastatic disease (usually lungs) followed by postoperative combination chemotherapy cannot be used, an alternative treatment approach may be used. This alternative treatment approach begins with surgery for the primary tumor, followed by chemotherapy, and then surgical resection of metastatic disease (usually lungs). This alternative approach may be appropriate in patients with intractable pain, pathologic fracture, or uncontrolled infection of the tumor when initiation of chemotherapy could create risk of sepsis.

    Current Clinical Trials

    Check for U.S. clinical trials from NCI's list of cancer clinical trials that are now accepting patients with metastatic osteosarcoma and metastatic childhood malignant fibrous histiocytoma of bone. The list of clinical trials can be further narrowed by location, drug, intervention, and other criteria.

    General information about clinical trials is also available from the NCI Web site.

    References:

    1. Kager L, Zoubek A, Pötschger U, et al.: Primary metastatic osteosarcoma: presentation and outcome of patients treated on neoadjuvant Cooperative Osteosarcoma Study Group protocols. J Clin Oncol 21 (10): 2011-8, 2003.
    2. Kaste SC, Pratt CB, Cain AM, et al.: Metastases detected at the time of diagnosis of primary pediatric extremity osteosarcoma at diagnosis: imaging features. Cancer 86 (8): 1602-8, 1999.
    3. Bacci G, Rocca M, Salone M, et al.: High grade osteosarcoma of the extremities with lung metastases at presentation: treatment with neoadjuvant chemotherapy and simultaneous resection of primary and metastatic lesions. J Surg Oncol 98 (6): 415-20, 2008.
    4. Goorin AM, Harris MB, Bernstein M, et al.: Phase II/III trial of etoposide and high-dose ifosfamide in newly diagnosed metastatic osteosarcoma: a pediatric oncology group trial. J Clin Oncol 20 (2): 426-33, 2002.
    5. Chou AJ, Kleinerman ES, Krailo MD, et al.: Addition of muramyl tripeptide to chemotherapy for patients with newly diagnosed metastatic osteosarcoma: a report from the Children's Oncology Group. Cancer 115 (22): 5339-48, 2009.
    6. Daw NC, Billups CA, Pappo AS, et al.: Malignant fibrous histiocytoma and other fibrohistiocytic tumors in pediatric patients: the St. Jude Children's Research Hospital experience. Cancer 97 (11): 2839-47, 2003.
    7. Letourneau PA, Xiao L, Harting MT, et al.: Location of pulmonary metastasis in pediatric osteosarcoma is predictive of outcome. J Pediatr Surg 46 (7): 1333-7, 2011.
    8. Bacci G, Fabbri N, Balladelli A, et al.: Treatment and prognosis for synchronous multifocal osteosarcoma in 42 patients. J Bone Joint Surg Br 88 (8): 1071-5, 2006.
    9. Kager L, Zoubek A, Kastner U, et al.: Skip metastases in osteosarcoma: experience of the Cooperative Osteosarcoma Study Group. J Clin Oncol 24 (10): 1535-41, 2006.
    10. Harris MB, Gieser P, Goorin AM, et al.: Treatment of metastatic osteosarcoma at diagnosis: a Pediatric Oncology Group Study. J Clin Oncol 16 (11): 3641-8, 1998.
    11. Longhi A, Fabbri N, Donati D, et al.: Neoadjuvant chemotherapy for patients with synchronous multifocal osteosarcoma: results in eleven cases. J Chemother 13 (3): 324-30, 2001.

    WebMD Public Information from the National Cancer Institute

    Last Updated: February 25, 2014
    This information is not intended to replace the advice of a doctor. Healthwise disclaims any liability for the decisions you make based on this information.
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