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Recycling autograft reconstruction using liquid nitrogen had favorable clinical outcomes in terms of functional status and local recurrence. This reconstruction method, therefore, represents a reasonable alternative for limb salvage surgery.

HOOS was developed as an extension of the Western Ontario and McMaster Universities' Osteoarthritis Index questionnaire for measuring symptoms and functional limitations related to the hip(s) of patients with osteoarthritis. To determine the validity and reliability of the Thai version of the Hip disability and Osteoarthritis Outcome Score (HOOS) vis-à-vis hip osteoarthritis, the original HOOS was translated into a Thai version of HOOS, according to international recommendations. Patients with hip osteoarthritis (n = 57; 25 males) were asked to complete the Thai version of HOOS twice: once then again after a 3-week interval. The test-retest reliability was analyzed using the intraclass correlation coefficient (ICC). Internal consistencies were analyzed using Cronbach's alpha, while the construct validity was tested by comparing the Thai HOOS with the Thai modified SF-36 and calculating the Spearman's rank correlation coefficients. The Thai HOOS produced good reliability (i.e., the ICC was greater than 0.9 in all five subscales). All of the Cronbach's alpha showed that the Thai HOOS had high internal consistency (Cronbach's alpha greater than 0.8), especially for the pain and ADL subscales (0.89 and 0.90, respectively). The Spearman's rank correlation for all five subscales of the Thai HOOS had moderate correlation with the Bodily Pain subscale of the Thai SF-36. The pain subscale of the Thai HOOS had a high correlation with the Vitality and Social Function subscales of the Thai SF-36 (r = 0.55 and 0.54)-with which the symptom subscale had a moderate correlation. The Thai version of HOOS had excellent internal consistency, excellent test-retest reliability, and good construct validity. It can be used as a reliable tool for assessing quality of life for patients with hip osteoarthritis in Thailand.

Aims To evaluate the clinical outcomes and identify which prognostic factors influence the clinical outcomes of synovial sarcoma patients at a tertiary university hospital in Thailand. Methods Patients with synovial sarcoma of the extremities between 1997 and 2007 were reviewed from the database of the Musculoskeletal Oncology Unit, Srinagarind Hospital, Khon Kaen University, Khon Kaen, Thailand. Results Of 41 patients, 23 males (56%) and 18 females (44%) with a median age of 39 (range, 1–78 years), 18 (44%) had metastasis at the first diagnosis and 23 (56%) had only a localized tumor. The 5‐year overall survival of all the patients was 36%; 64% in patients with localized disease and 0% in patients with metastasis at first diagnosis. In all 23 patients (56%) died of the disease at a median duration of 11 months (range 3–47 months). All patients with metastases died at a median 9 months (range 1–41 months). Metastasis at first diagnosis influenced overall survival for patients with synovial sarcoma (P < 0.001). According to a univariate analysis, the significant adverse factors were biphasic histological subtype and an inadequate surgical margin of the definitive surgery (P < 0.05). Conclusion Synovial sarcoma is still a disease with a poor prognosis. Distant metastasis at initial diagnosis is a significant adverse prognostic factor for overall survival. A biphasic histological subtype and an inadequate surgical margin are significant adverse prognostic factors in localized synovial sarcoma.

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