Volume 24, Issue 1 (5-2010)                   Med J Islam Repub Iran 2010 | Back to browse issues page

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Haji aliloo Sami S, Alt Jafarbay M, Ramezan Shirazi M, Gharati H. Evaluation of surgical treatment results in parosteal osteosarcoma. Med J Islam Repub Iran. 2010; 24 (1) :11-16
URL: http://mjiri.iums.ac.ir/article-1-125-en.html
Shafa Yahyaian Hospital, Baharestan Sq., Tehran, Iran , Mehdi.shirazi@yahoo.co.uk
Abstract:   (4512 Views)


  Background: Parosteal osteosarcoma is rare low-grade malignancy which arises

  on the surface of the metaphysis of long bones it has a low propensity to metastasize.

  Different surgical treatment options including marginal resection, wide resection

  and amputation were recommended for the tumor. The purpose of the study was to

  assess the results of different surgical treatment of the lesion.

  Methods: Thirty five consecutive patients with parosteal osteosarcoma were

  managed with four surgical techniques (Marginal resection, wide resection and prosthesis, wide resection and allograft application, and amputation) between 1378 -

  1387, and the results were retrospectively reviewed. The mean age of the patients

  when the surgery was performed was 30.37 (range, eleven to seventy one years), and

  the mean duration of postoperative follow - up was 51 months (range, eight months to

  ten years).

  Results: The mean time between the onset of symptoms and initial physician encounter

  was 15.98 months (range, 1.5 months to 60 months). None of the patients had

  metastasis preoperatively while three pulmonary metastases were detected postoperatively. Six patients had regional tumor recurrence postoperatively. The mean time of the recurrence postoperatively was 18.8 months (range, nine months to forty eight months). Three of thirty five patients assessed in the study died of pulmonary metastasis. All had dedifferentiated grading with different staging (Two patients had a

  stage of IIB and one with IIA). Medullary invasion was seen in one of them. One of

  the three patients was treated with Indomethacin for two years due to the misdiagnosis

  of myositis ossificans.

  Conclusion: Wide resection of parosteal osteosarcoma produces a satisfactory

  long - term out come. However, individually - based treatment should be selected for

  each patient with parosteal osteosarcoma.


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Type of Study: Original Research | Subject: Orthopedic Surgery

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